- 1Centre de Recherches sur la Cognition et l’Apprentissage, Département de Psychologie, Université de Poitiers, Université François Rabelais de Tours, CNRS, Poitiers, France
- 2Laboratoire Mobilité Vieillissement Exercice (EA6314), Faculté des Sciences du Sport, Université de Poitiers, Poitiers, France
Introduction: This review identified and examined the research literature on the effect of participating in physical and/or cognitive activities on older people’s quality of life, to establish whether the social relationships fostered by these activities can be a vector of better physical, mental and social quality of life.
Method: A systematic review of the literature was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We searched four databases (MEDLINE, APA PsycArticles/PsycInfo, PubMed, and Web of Science) for articles published between 1975 and 2022 using search terms related to psychosocial, population, and intervention topics. Studies were eligible if they involved older adults, participation in at least one activity (physical or cognitive), and at least one quality of life related outcome measure.
Results: We selected 20 articles published between 1990 and 2021, the majority concerning studies conducted in English-speaking countries. Ten studies were interventional (introduction of program of activities), and 10 studies were observational (60% quantitative, 40% qualitative). Overall, results revealed a positive impact of the activities on every aspect of quality of life (i.e., cognitive, physical, social, psychological, and quality of life in general).
Conclusion: The present review confirmed the beneficial impact of practicing physical and/or cognitive group activities on older people’s quality of life, but the contribution of social factors and social relationships remains underestimated and not well defined in researches.
Introduction
The world population is aging, and the number of people aged 60 years or over is expected to double by 2050 [World Health Organization (WHO), 2017]. Aging brings with it a gradual decline in sensory, physical and cognitive abilities. Cognitive decline has been identified as one of the main threats to the health and autonomy in aging (Reuter-Lorenz and Park, 2014). These negative effects raise many issues for older people, surrounding autonomy, aging in place and, more generally, quality of life. Successful or healthy aging, referred to as well-aging, which is defined in the literature as the maintenance of functional autonomy through the optimization of physical, mental and social wellbeing, is thus becoming a major societal challenge (Depp and Jeste, 2006; Gangbè and Ducharme, 2006). However, successful aging remains a complex concept that needs to be better defined in order to promote active, healthy aging for all older people (Estebsari et al., 2020). Well-being is a subjective phenomenon that involves both cognitive components (e.g., life satisfaction) and emotional components (e.g., the balance between positive and negative affect; Diener et al., 1999). The concept of well-being is strongly associated with the more integrative concept of quality of life. The World Health Organization [World Health Organization (WHO), 1994] defines quality of life as “a person’s perception of his/her position in life within the context of the culture and value systems in which he/she lives and in relation to his/her goals, expectations, standards, and concerns. It is a broad-ranging concept incorporating, in a complex way, the person’s physical health, psychological state, level of independence, social relationships, personal beliefs, and relationship to salient features of the environment” [World Health Organization (WHO), 1994, p. 29]. This definition highlights the essentially subjective and multidimensional (physical, psychological, social, etc.) concept of quality of life. According to the Ottawa Charter (WHO, 1986), health is defined as “a state of complete physical, mental and social well-being.” Quality of life is therefore a general concept that depends on health, although it is not limited to it. Indeed, some people whose health is considered degraded have a high quality of life, or vice versa (Rejeski and Mihalko, 2001).
Several studies have sought to identify factors that can contribute to successful aging by preserving cognitive health and improving the overall quality of life of older adults. So far, they have highlighted the beneficial effects of cognitive exercise (Kelly et al., 2014; Mewborn et al., 2017; Basak et al., 2020), physical activity (Colcombe et al., 2003; Mandolesi et al., 2018; Carta et al., 2021), training sessions combining cognitive and physical stimulation (Kraft, 2012; Zhu et al., 2016; Gheysen et al., 2018; Guo et al., 2020), and social interactions (Seeman et al., 2001; Pitkala et al., 2011; Kelly et al., 2017; Marsillas et al., 2017). The literature shows that an active and socially engaged lifestyle is linked to better cognitive function in aging, and self-esteem is an important characteristic of wellbeing arising from physical activity (Small et al., 2012; Litwin and Stoeckel, 2016; Yang et al., 2016).
However, although these different factors are beginning to be given greater salience in the literature as means of avoiding cognitive decline and improving quality of life, the health benefits of social relationships continue to be underplayed. Haslam et al. (2005, 2018) maintained that social support and social integration are both highly protective against mortality, and their importance is comparable or even superior to that of many behavioral risks such as smoking, alcohol consumption, and stress. There is considerable evidence that being cut off from social contact with friends, family and other social groups can have extremely negative health consequences, and even lead to premature death (Jetten et al., 2012). By contrast, belonging to and identifying with community groups have been shown to positively predict health and quality of life (McNamara et al., 2013; Haslam et al., 2018; Fong et al., 2019). This idea refers to the notion of social cure, which highlights the way in which a person’s social relationships, social networks, social support, and social identity contribute to health outcomes (Jetten et al., 2012; Haslam et al., 2014; Kellezi et al., 2019). This approach states that identification with and sense of belonging to social groups (family, community, sports group, etc.) have an impact on health, social life and wellbeing, leading to improvements in social life and quality of life through the reduction in loneliness, improvement in self-esteem, and perception of available social support (Greenaway et al., 2015; Sani et al., 2015; Kellezi et al., 2019).
The objective of the present literature review was to establish whether the social relationships fostered by some physical and/or cognitive activities can be a vector of better physical, cognitive, psychological and social quality of life for the older people.
Materials and methods
Information sources and research process
In order to answer this objective, we conducted a literature review, searching four databases (MEDLINE, APA PsycArticles/PsycInfo, PubMed, and Web of Science) for articles published between 1975 and 2022 Search terms covered the following four topics: (1) social relationships (psychosocial terms), (2) older people (population terms), (3) activity/leisure (intervention terms), and (4) quality of life (health terms).
The keyword search was based on the MEDLINE algorithm. We defined the following list of keywords: (social link or social relationships or social activities) AND (elderly or seniors or aging) AND (physical activities or cognitive activities or physical exercises) AND (well-being or quality of life or mental-physical-psychological health). We applied the same algorithm in the Web of Science, APA PsycArticles/PsycInfo, and PubMed databases. We also conducted a free search, consisting of additional manual searches were undertaken across the first pages of results from the generic web search engine Google Scholar. Moreover, additional searches were carried out by examining the references cited in the included studies and considered to be of interest. We merged these searches and included them in a library we created in Zotero. Duplicates were identified and deleted. In order to make our final selection of articles, we subjected the abstracts to detailed analysis, applying the eligibility criteria (inclusion and exclusion). We assessed point by point whether all the inclusion criteria had been met, and whether the abstracts did not present any exclusion criteria. Abstracts that did not meet all these criteria were excluded from the final selection of articles.
Eligibility criteria/study selection
The inclusion criteria were as follows:
• Studies in which outcomes (i.e., the dependent variable, quality of life or well-being) are clearly defined will be included.
• Studies in which the independent variable (social relationships) is present in the context of at least one physical and/or cognitive activity will be included.
• The population is defined by the authors as a population of elderly or senior people.
The exclusion criteria were as follows:
• Studies not written in English will be excluded
• Studies that are not journal articles will be excluded (e.g., book chapter, editorial reviews, literature reviews, etc.)
• Studies in which the dependent variable does not concern notion of quality of life or well-being will be excluded
• Studies in which the independent variable (social relationships) is not present in the context of physical and/or cognitive activities will be excluded.
• Studies of populations not defined by the authors as older people’s or elderly or seniors will be excluded.
• Studies conducted on older people who do not live in the community will be excluded. Studies of older populations with pathologies (stroke, Alzheimer’s disease, etc.) will be excluded.
• Studies concerning the evaluation of a measurement tool (e.g., validation of a test or questionnaire) will be excluded.
Data collection process
The review was not pre-registered, but followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) reporting guidelines (Moher et al., 2009), which ensure the transparent and complete reporting of systematic reviews. The articles were selected by the first author (TG) and this selection was then checked independently by all the other authors (DC, GB, CE). Any uncertainty and disagreement between evaluators were resolved by discussion and consensus within the author team (TG, DC, GB, and CE). The first author (TG) extracted the following information: first authors, year of publication, journal, study country, study population, study population size, method, data collection, dependent variables, summary of results.
Assessing the risk of bias
One of the review authors (TG) assessed independently the methodological quality of the studies included using the modified version of the Downs and Black checklist for assessing randomized controlled trials (RCT) and non-randomized controlled trials (NRCT; Downs and Black, 1998). It consists of 27 items distributed across five subscales: reporting (10 items), external validity (3 items), internal validity bias (7 items), internal validity confounding (6 items), and power (1 item). In the modified instrument, answers are scored 0 or 1, except for one item in the reporting subscale, which is scored 0 to 2. The total maximum score is 28 with higher scores indicating better study quality.
Results
Study selection
The study selection procedure is illustrated in Figure 1. The free search yielded 40 articles. The MEDLINE keyword search yielded 234 results. Keyword searching with the same algorithm yielded 256 results in APA PsycArticles/Info, 122 in PubMed, and 73 in Web of Science. After removing duplicates, 628 articles were removed based on the title and/or abstract because they did not meet criteria for inclusion, Finally, after reading and analyzing the 98 articles in their entirety according to the eligibility criteria, 20 studies were included in the review.
Study characteristics
The characteristics of the studies are set out in Table 1. All 20 selected articles were published between 1990 and 2022 (only one before 2000). Eleven articles concerned English-speaking countries (87.5% United States), five Asia, two Africa, and two Europe. The quality of life dimensions they assessed were general quality of life (23%), cognitive (19%), physical (28%), psychological (62%), and social (52%). The studies included have very large population criteria, ranging from 50 to 111 years of age, depending on the study. However, all the studies included in this review have a population whose mean age was over 60 (The lowest mean age was 64.62 in the study by Chang et al., 2014), despite their very large age samples, and according to the World Health Organization, 60 is the age at which people become elderly.
Methodologies
Of the 20 studies, 10 were interventional, involving a program of leisure, physical or cognitive activities, with a pre−/posttest analysis plan, and 10 were observational (60% quantitative, 40% qualitative). The quantitative studies were cross-sectional, and the qualitative studies were based on focus groups or interviews. Eight of the 20 studies compared the effects of activity according to group, while the other 12 studies assessed the effects of activity with no group comparison.
Study rigor and study quality
The summary of the quality scores is displayed in Table 1. The quality scoring descriptive statistics include a mean of 11,5. The quality assessment of the 10 interventional studies highlights that the majority of them were of low quality. The scores were very low in external validity, internal validity - confounding and statistical power. This indicates that the studies had the insufficient statistical power to detect important effects and none of the findings could be generalized to older population. Serious risk bias can be highlighted such as small samples, no comparison or control group, and lack of details regarding the intervention.
Outcomes
The results of the studies included in the review are set out in Table 2. More than half (52%) of the studies looked at the effects of participating in physical activities (sports clubs, aerobic activity programs, etc.) on quality of life, 42% were interested in the effects of participating in cognitive and/or social activities (day center for seniors, card games, social farm, etc.) and 38% looked at the impact of leisure activities (theater, musical training, etc.).
Presentation of results
All the results of the present literature review are presented in the same way: a brief description of the studies concerned, following by a paragraph on the interventional ones and a paragraph on the observational ones. In each case, we report any divergent results: first, the results confirming that physical and/or cognitive activities can be a vector of better physical, cognitive, psychological and social quality of life for the older people; then the results refuting (or at least not validating) this notion.
Physical quality of life
Six of the 20 studies examined the effects of various activities on physical quality of life. Four of them assessed the effects of an intervention program (Emery and Gatz, 1990; Yuen et al., 2011; Kamegaya et al., 2014; Levinger et al., 2020), and the other two (observational) studies looked at activities already performed by older adults and assessed the benefits of social engagement in terms of physical function (Chang et al., 2014; Kim et al., 2015).
Two of the four interventional studies showed an increase in self-reported physical activity after the intervention (Yuen et al., 2011; Levinger et al., 2020), as well as substantial improvements in all three objective measures of physical function (fall risk, endurance, strength; Levinger et al., 2020). Emery and Gatz (1990) and Kamegaya et al.’s (2014) studies found no improvement in physical function, as measured by an objective assessment of physical ability after participation in a 12-week intervention program.
The two observational studies assessing physical abilities subjectively, via questionnaires or interviews, found improvements in all the physical abilities that were assessed (e.g., muscle strength, flexibility, motor skills, coordination, mobility, pain reduction; Chang et al., 2014; Kim et al., 2015). Chang et al. (2014), highlighted direct links between social relationships and physical health, and between leisure activities and physical health.
Cognitive quality of life
Four of the 20 studies examined the effects of various activities on cognitive quality of life. Three of them assessed the effects of an intervention program (Emery and Gatz, 1990; Kamegaya et al., 2014; MacAulay et al., 2019), while the fourth (observational) study explored the effect of participating in leisure activities on cognitive functions (Pentikäinen et al., 2021).
One of the three interventional studies highlighted significant changes in global cognition, verbal fluency and visual memory performance after a music program, with improvements in executive attention, processing speed, and working memory (MacAulay et al., 2019). The second study found a significant increase in cognitive scores for the physical activity program and leisure intervention group compared with a control group on an animal naming task and analogy task (Kamegaya et al., 2014). However, there were no other differences on the other cognitive tasks probing executive function, attention, memory, and visuospatial function (Kamegaya et al., 2014). The third interventional study, which assessed the effect of physical exercise program or social activities on cognitive functions, found no effect of the program on any of the cognitive functions (e.g., verbal and working memory, processing speed) in either group in their study (Emery and Gatz, 1990).
The observational study by Pentikäinen et al. (2021) assessed the effects of choir membership on participants’ cognitive abilities. The authors highlighted the benefits of this social group activity on cognitive functions and in particular on the verbal flexibility subdomain of executive functions. However, although they highlighted a significant difference between choir and control groups on the subdomain of verbal flexibility, the groups did not differ on other cognitive domains such as memorization, episodic memory, processing speed, and inhibition (Pentikäinen et al., 2021).
Social quality of life
Eleven of the 20 studies examined the effects of various activities on the social dimension of quality of life. Six of them assessed the effects of an intervention program (musical training, physical activity program, etc.; McAuley et al., 2000; Nadasen, 2008; Yuen et al., 2011; Kamegaya et al., 2014; MacAulay et al., 2019; Levinger et al., 2020), while the other five (observational studies) explored the advantages and effects of participating in leisure activities on social quality of life (Aday et al., 2006; Chang et al., 2014; Kim et al., 2015; Dare et al., 2018; Pentikäinen et al., 2021).
For the interventional studies, the authors showed that taking part in leisure and social group programs is rewarded by social support (McAuley et al., 2000) and valuable socialization (MacAulay et al., 2019). Social empowerment provides the opportunity for social interactions or relationships (Yuen et al., 2011) that strengthen friendships, expressed through mutual emotional and social support (Nadasen, 2008). MacAulay et al. (2019) concluded that the learning, social engagement, and social support offered by these activities are the direct result of group participation. Moreover, McAuley et al. (2000) explained that the social component of the exercise environment can influence affective responses to exercise. However, although both Kamegaya et al. (2014) and Levinger et al. (2020) agreed that group exercise improves quality of life, they failed to observe any other differences in social support (Kamegaya et al., 2014) or changes in socialization and social isolation (Levinger et al., 2020) as a result of the program. Similarly, Yuen et al. (2011) found no significant improvement in social functioning scores.
The observational studies also reported positive effects of leisure or physical activity on quality of life at the social level. Leisure activities are a means of promoting social relationships (Kim et al., 2015), which in turn foster people’s engagement in these activities (Aday et al., 2006). Some authors have underlined the importance of the social context of practice regarding people’s engagement in these activities and the effects on health, notably at the social level, but also in a more general way. For example, Chang et al. (2014) suggested that there is a link between social relationships and leisure activities, and explained that better social relationships can enhance and motivate the adoption of health-promoting behavior. Dare et al. (2018, p. 879) stated that “While interest in an activity may motivate people to join a group, it is the sense of belonging and connection generated by the group that maintains participation and social engagement.” In Aday et al. (2006)’s study, women who found social support at the center were more likely to engage in center activities. By engaging in social activities, participants can increase their opportunities to interact with others, expand their social networks (Kim et al., 2015), and increase their perceived social wellbeing (Pentikäinen et al., 2021).
Participating in activities gives people an opportunity to develop close friendships and raise the level of perceived social support (Aday et al., 2006). Moreover, Dare et al. (2018) found that respondents lent more importance to the opportunity to socialize with others and the enjoyment of their interactions than to the activity itself. The ability to connect with others was particularly important for people living alone. However, when Aday et al. (2006) examined the influence of friendship at the end of life and participation in center activities on health by comparing single women and women in couples, they found little difference between the two groups in terms of friendship development, perceived social support, and depth of friendships. In general, there was no difference between single women and women in couples in terms of self-rated health (Aday et al., 2006). Finally, Dare et al. (2018) mentioned barriers to social participation such as lack of availability or accessibility, and problems of social integration, citing the testimony of a participant who said she was “alone in a crowd.”
Psychological quality of life
Thirteen of the 20 studies examined the effects of various activities on psychological quality of life. Seven (Emery and Gatz, 1990; McAuley et al., 2000; Yuen et al., 2011; Kamegaya et al., 2014; MacAulay et al., 2019; Levinger et al., 2020; Meeks et al., 2020) of them assessed the effects of an intervention program (musical training, physical activity program, theater, etc.), while the other six (Bailey and McLaren, 2005; Aday et al., 2006; Chang et al., 2014; Kim et al., 2015; Gyasi, 2019; Pentikäinen et al., 2021) observational studies explored the effects of taking part in social, sports and leisure activities on the psychological dimension of quality of life.
The interventional studies showed that participating in leisure, physical and social group programs improves quality of life in general (Emery and Gatz, 1990; McAuley et al., 2000; Yuen et al., 2011; Kamegaya et al., 2014), and more specifically reduces depressive symptoms and enhance sense of belonging, self-esteem, and self-confidence (McAuley et al., 2000; Yuen et al., 2011; Levinger et al., 2020). McAuley et al. (2000) found a reduction in stress and an improvement in emotional wellbeing after a music training intervention. Meeks et al. (2020) concluded that social engagement, enjoyment, knowledge, and perceived sense of belonging contributed significantly to positive affect. These authors claimed that belonging and social engagement have only indirect effects on quality of life, through their impact on positive affect. McAuley et al. (2000) agreed with Meeks et al. (2020), reporting that changes in self-efficacy during the program were significantly related to changes in positive quality of life, psychological distress, and fatigue. These authors explained that a greater increase in self-efficacy was associated with better quality of life and less psychological distress (McAuley et al., 2000). However, Kamegaya et al. (2014) and Emery and Gatz (1990) reported no difference between their groups and no improvement in depressive symptoms or anxiety. Emery and Gatz (1990) reported in particular that the exercise program did not appear to contribute overall to improvements in psychological wellbeing. Yuen et al. (2011) and Levinger et al. (2020), found no improvement in emotional role scores and no change in self-efficacy for exercise outcomes.
Observational studies explored the effects of participating in various activities on psychological quality of life. Kim et al. (2015) and Pentikäinen et al. (2021) showed that participating in singing or social engagement activities reduces negative feelings and emotions, whilst increasing self-esteem and self-confidence, which ultimately improves quality of life. Pentikäinen et al. (2021) added that general health scores were higher for low-activity singers than for high-activity singers. Three of the six studies found associations between activity and psychological wellbeing. Gyasi (2019) highlighted the links between physical activity, social support, and psychological distress: physical activity and social support were both negatively associated with psychological distress, while social support moderated the relationship between physical activity and psychological distress (i.e., the greater the social support, the stronger the negative association between physical activity and psychological distress). Bailey and McLaren (2005) highlighted the relationship between physical activity and depressive symptoms, reporting that more hours of group physical activity were associated with fewer depressive symptoms. Higher scores on sense of belonging and psychological status were also associated with more hours of group physical activity. These higher levels of sense of belonging were associated with lower levels of depressive symptoms and suicidal ideation (Bailey and McLaren, 2005). Chang et al. (2014) found a direct relation between social relationships and psychological wellbeing, and a direct effect of leisure activities on psychological wellbeing. They showed that the links between social relationships and physical health or psychological wellbeing were strengthened by leisure activity (Chang et al., 2014). For their part, Aday et al. (2006) observed that single women were more likely to feel less lonely, laugh more, worry less about the future, have more energy, and handle stress better as a result of attending a center. However, Pentikäinen et al. (2021) found no effect of song participation on depressive symptoms.
General quality of life
Five of the 20 studies examined the effects of various activities on general quality of life. Two (Camic et al., 2014; Gagliardi et al., 2019) of them assessed the effects of an intervention program (agricultural or cultural). The other three (observational) studies examined the benefits of engaging in a club’s leisure activities (Kim et al., 2014), as well as changes in participants’ health status following regular group leisure activity (Komatsu et al., 2017), or in comparison with single or group modes of practice (Kanamori et al., 2016).
For the interventional studies, Camic et al. (2014) and Gagliardi et al. (2019) reported an improvement in the level of cognitive engagement (Camic et al., 2014), as well as benefits at the social level. They showed that the intervention setting (art gallery or farm) increased social participation, with increases in participants’ contacts with family or friends, and in the number of leisure activities. In general, they reported that in both settings, the interventions led to the expansion of social networks and a sense of solidarity (Gagliardi et al., 2019), and helped people feel active members of society, socially active, and valued as individuals (Camic et al., 2014). However, the authors found no significant difference between general quality of life scores before and after the program, reporting that self-reported quality of life remained stable across the intervention (Camic et al., 2014; Gagliardi et al., 2019).
For the observational studies, Kim et al. (2014) did not examine changes in quality of life, but rather the perceived benefits of serious engagement in leisure activities. They highlighted three main benefits of this engagement, namely (1) a psychological benefit, with the development of a positive sense of pleasure, improved confidence, and self-esteem, (2) a social benefit, with the creation of social support, the development of positive social interaction fostered in these activities, and the development of a sense of friendship, and (3) a physical benefit, with an improvement in physical health due to the increase in physical strength and endurance (Kim et al., 2014). Kanamori et al. (2016) and Komatsu et al. (2017) were interested in the perception of changes in health according to the context of single or group practice. Kanamori et al. (2016) found that engaging in group physical activity increased self-reported health, as self-reported poor health was significantly lower for all exercise groups, compared with participants who exercised alone. The authors suggested that social relationships are behind the health benefits of group exercise, and regular group exercise has important health benefits. These results are consistent with those of Komatsu et al. (2017), who showed that group exercise contributes to individuals’ physical, mental and social quality of life, by helping them to improve or maintain their functional health, socialize, and enjoy life. They reported the social effects of group exercise, noting that participation in group exercise resulted in interactions with others, prevented isolation through socialization, and stimulated their daily lives (Komatsu et al., 2017).
Discussion
This review, conducted in accordance with PRISMA guidelines, was designed to establish whether the social relationships fostered by some activities (physical, leisure, cognitive) can be a vector of better physical, mental and social quality of life and a better quality of life for the older people. We begin by discussing our results on the effects of these social relationships on the physical, cognitive, social and psychological dimensions of quality of life, as well as quality of life in general. We then discuss the difficulty of grasping the dimensions of the social relationships fostered by group activities and understanding exactly how they are related to the different dimensions of quality of life. Finally, we discuss the importance of grasping these dimensions for future research and the challenges we have identified as a result of this review.
First, the present review highlighted the benefits of practicing various group activities in terms of improving or preserving older people’s quality of life. Most of the studies included in this review reported improvements in the physical, cognitive, social and psychological dimensions of quality of life. At the physical level, there was an improvement in physical condition (flexibility, coordination, endurance, etc.; Yuen et al., 2011; Chang et al., 2014; Kim et al., 2015; Levinger et al., 2020), as well as an increase in practice time (Levinger et al., 2020), bringing an improvement in functional autonomy. At the cognitive level, there were improvements in executive attention, processing speed, global cognition, verbal fluency, and memory (Kamegaya et al., 2014; MacAulay et al., 2019). These results are in line with the literature, which shows that the practice of physical and/or cognitive activity is beneficial for the cognitive health of Colcombe et al. (2003); Gheysen et al. (2018) and Guo et al. (2020). Our review also showed that physical activity can benefit the social and psychological dimensions of quality of life, reporting the development of social support, the reinforcement of autonomy, social interactions, and an increase in perceived quality of life (Nadasen, 2008; Yuen et al., 2011; MacAulay et al., 2019), as well as the development of a sense of belonging, and the strengthening of self-esteem and confidence (McAuley et al., 2000; Yuen et al., 2011; Levinger et al., 2020). The studies in this review all confirmed the beneficial effects of practicing diverse activities on the different dimensions of quality of life, as well as on general quality of life. Several studies investigating the effects on quality of life in general showed that group activities have beneficial effects on physical, mental and social health, and contribute to the maintenance of functional health in Camic et al. (2014); Kanamori et al. (2016) and Gagliardi et al. (2019). However, some of the studies included in this review failed to find any beneficial effect of group activity in some domains, simply observing the maintenance of basic physical (Emery and Gatz, 1990; Kamegaya et al., 2014), cognitive (Emery and Gatz, 1990; Kamegaya et al., 2014; Pentikäinen et al., 2021) and social (Aday et al., 2006) abilities. Failure to find significant relationships with certain dimensions or subdimensions of quality of life can be explained by the fact that some of the studies included in this review had sample sizes that were too small to allow relationships between activity and health to be identified in older people. Moreover, we included both interventional and observational studies, which did not all use the same assessment procedures (pre- and postintervention assessments, assessment of the effect of an intervention program, group comparisons, comparisons of solitary versus group mode of practice, quantitative and/or qualitative assessments), potentially leading to a methodological bias, with the resulting diversity and heterogeneity of results.
Although the studies included in this review yielded important and interesting results, and tended to agree with the rest of the literature on the beneficial effects of practicing different types of activity on older people’s cognitive functions and quality of life (Kelly et al., 2017; Marsillas et al., 2017; Guo et al., 2020), they had several limitations. In particular, there was difficulty grasping the dimensions of the social relationships fostered by group activities. The studies included in this review highlighted the beneficial effects of practicing group activities on the different physical, cognitive, social, and psychological dimensions of quality of life, but the actual role of the social relationships and the ways in which they influenced quality of life were not explained. As their dimensions were only very weakly defined in these studies, if at all, these relationships were treated as contextual data, rather than processes. We are therefore not in a position to say how and under what conditions the social relationships fostered by group activities affect older people’s quality of life and describe its direct impact on the specific dimensions of quality of life. The same observation was made by Haslam, who argued that the contribution of social factors to health remains underestimated and underemphasized in the literature (Haslam et al., 2018). The present review did not enable us to shed any further light on the contribution of social factors to the physical, cognitive and psychological components of quality of life.
Wakefield et al. (2019) recently stressed that improving quality of life involves addressing the complex interaction between people’s health and their social worlds. According to the notion of social cure, membership of a social group can improve quality of life, but only if members identify with the group (subjective sense of belonging to the group in question; Haslam et al., 2014, 2018). This social cure notion suggests that social identities can provide psychological resources, including a sense of connection among group members that engenders a sense of trust, meaning and purpose in life, as well as social support from other group members to help cope with life’s stresses and strains (Haslam et al., 2005; Greenaway et al., 2015; Wakefield et al., 2019). It is therefore important to explore this notion in depth, in order to define the impact of social factors and their relationships with the physical, cognitive, social, and psychological dimensions of quality of life, in order to act effectively on the quality of life of older people and promote healthy aging.
Future research must demonstrate the importance of social factors for health and identify the precise relationships and interactions between social relationships and quality of life dimensions. We see at least two main challenges in this area.
Challenge 1: relationship between practice environment, cognitive abilities, and perceived benefits of practice
We suspect that the positive effects of combined activities (simultaneously practicing physical and cognitive activities) on cognitive and general quality of life are influenced by the environment in which these activities are performed. We suspect that group practice and practice environments fostering social relationships and strong social interactions have positive benefits for older people’s general and cognitive health. This concerns the notion of environmental enrichment, namely, the stimulation of the brain by the physical, cognitive and social environment. We would expect older people to perform better on the various physical, cognitive and psychosocial assessments in conditions of group practice, as well as in an enriched environment favoring social relationships.
This hypothesis could be tested with a population of older people in three different practice environments: (1) combined (physical and cognitive) activity program at home; (2) combined activity program in a traditional group environment (gymnasium); and (3) combined group activity program in an enriched environment promoting social relationships and social interactions. The programs and the assessments would have to be identical across these three conditions, in order to test this hypothesis.
Challenge 2: psychosocial factors as mediators of the relationship
A second challenge would be to identify some of the key psychosocial factors that make older people’s cognitive quality of life more or less sensitive to the effects of combined activity practice, as a function of the practice environment. We suspect that it is the fluctuation of social factors (e.g., self-esteem, perceived social support) involved during practice that mediate the relationship between practice environment and older people’s cognitive abilities and their perceived quality of life. The feeling of belonging to a group and the relationships developed during group activities may enhance social factors such as perceived self-esteem or perceived social support, which then positively mediate the relationship between practice environment and participants’ cognitive abilities and perceived quality of life.
These measures of psychosocial factors could be used as potential mediators in statistical analyses to test whether older adults who engage in combined activity in a habitual group environment and in an enriched environment where social relationships are fostered benefit more in terms of cognitive ability and are more likely to have better perceived quality of life.
Conclusion
Although the present review confirmed the benefits of physical and/or cognitive group activity for older people, in general quality of life, the contribution of social factors to this relationship remains unknown. The contribution of this review is, however, to have highlighted the complexity of objectifying the contribution of these social relationships and the mechanisms that come into play during the practice of these activities and their benefit on quality of life. Further studies assessing the relationships and interactions between these social factors and cognitive ability and quality of life could help to expand on these findings and identify new ways of promoting healthy aging.
Data availability statement
The original contributions presented in the study are included in the article/Supplementary material, further inquiries can be directed to the corresponding author.
Author contributions
This study was initially drafted by TG. Subsequent version was reviewed by DC, GB, and CE. Revision were made by TG. All authors contributed to the article and approved the submitted version.
Funding
This work was supported by Région Nouvelle-Aquitaine grant number [AAPR2021-2020-12021410].
Conflict of interest
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
Publisher’s note
All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.
Supplementary material
The Supplementary material for this article can be found online at: https://www.frontiersin.org/articles/10.3389/fpsyg.2023.1166072/full#supplementary-material
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Keywords: social relations, quality of life, physical activities, cognitive activities, wellbeing, aging
Citation: Gonnord T, Clarys D, Boucard G and Esnard C (2023) Positive impact of social relationships fostered by physical and/or cognitive group activity on older people’s quality of life: PRISMA systematic review. Front. Psychol. 14:1166072. doi: 10.3389/fpsyg.2023.1166072
Edited by:
Nerisa Banaj, Santa Lucia Foundation (IRCCS), ItalyReviewed by:
Steven Schmidt, Lund University, SwedenCarlos Dosil, University of Santiago de Compostela, Spain
Copyright © 2023 Gonnord, Clarys, Boucard and Esnard. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
*Correspondence: Tiphanie Gonnord, dGlwaGFuaWUuZ29ubm9yZEB1bml2LXBvaXRpZXJzLmZy