This article is a correction to:
Decrease in Social Zeitgebers Is Associated With Worsened Delayed Sleep-Wake Phase Disorder: Findings During the Pandemic in Japan
Rei Otsuki1,2,3
Kentaro Matsui1,2*
Takuya Yoshiike2
Kentaro Nagao2,4
Tomohiro Utsumi2,5Ayumi Tsuru1,2Naoko Ayabe2,6
Megumi Hazumi2,7
Michio Fukumizu2,8
Kenichi Kuriyama2- 1Department of Laboratory Medicine, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
- 2Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan
- 3Department of Psychiatry, Nihon University School of Medicine, Tokyo, Japan
- 4Department of Psychiatry, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
- 5Department of Psychiatry, The Jikei University School of Medicine, Tokyo, Japan
- 6Department of Regional Studies and Humanities, Faculty of Education and Human Studies, Akita University, Akita, Japan
- 7Department of Public Mental Health, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
- 8Segawa Memorial Neurological Clinic for Children, Tokyo, Japan
A corrigendum on
Decrease in social zeitgebers is associated with worsened delayed sleep-wake phase disorder: findings during the pandemic in Japan
by Otsuki, R., Matsui, K., Yoshiike, T., Nagao, K., Utsumi, T., Tsuru, A., Ayabe, N., Hazumi, M., Fukumizu, M., and Kuriyama, K. (2022). Front. Psychiatry 13:898600. doi: 10.3389/fpsyt.2022.898600
In the published article, there was an error in Table 1 as published. The entry for Developmental disorders, originally listed as 11 (21.7), is incorrect; the correct figure is Developmental disorders, 11 (18.3). Similarly, the entry for Psychostimulants, previously stated as 5 (7.4), is incorrect; the accurate figure is Psychostimulants, 5 (8.3). The entry for combined therapy with both (n = 5) is also incorrect; the correct number is combined therapy with both (n = 6). Finally, the entry for Antipsychotics was listed as 15 (25) without decimal point, but the correct version is Antipsychotics, 15 (25.0). The corrected Table 1 and its caption appear below.
TABLE 1
Table 1. Demographic and clinical data of patients with DSWPD (n = 60).
In the published article, there was an error in Table 3 as published. Within the footnotes, the entry for combination therapy of both, originally listed as (n = 5), is incorrect; the correct number is combination therapy of both (n = 6). Additionally, the footnote c) was missing the information about the combination of obstructive sleep apnea with sleep-related movement disorders, which should have been mentioned as (n = 1). The corrected Table 3 and its caption appear below.
TABLE 3
Table 3. Factors associated with worsened DSWPD symptomsa.
In the published article, there was also an error in the text. The term “?2 test” was incorrect, and the correct term is the “χ2 test”.
An amendment has been made in the Methods section, specifically the Statistical analysis part, on Line 2.
Originally, the sentence stated:
“Based on baseline severity, a comparison between mild DSWPD and moderate-to-severe DSWPD was made using the ?2 test for categorical variables and the Mann-Whitney U-test for the following continuous variables:”
The corrected sentence appears below:
“Based on baseline severity, a comparison between mild DSWPD and moderate-to-severe DSWPD was made using the χ2 test for categorical variables and the Mann–Whitney U-test for the following continuous variables:”
The authors apologize for these errors and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.
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Keywords: delayed sleep-wake phase disorder, coronavirus disease 2019, COVID-19, state of emergency, Japan, social zeitgeber, bipolar disorder, depression
Citation: Otsuki R, Matsui K, Yoshiike T, Nagao K, Utsumi T, Tsuru A, Ayabe N, Hazumi M, Fukumizu M and Kuriyama K (2023) Corrigendum: Decrease in social zeitgebers is associated with worsened delayed sleep-wake phase disorder: findings during the pandemic in Japan. Front. Psychiatry 14:1238041. doi: 10.3389/fpsyt.2023.1238041
Received: 10 June 2023; Accepted: 21 June 2023;
Published: 04 July 2023.
Edited and reviewed by: Takashi Kanbayashi, University of Tsukuba, Japan
Copyright © 2023 Otsuki, Matsui, Yoshiike, Nagao, Utsumi, Tsuru, Ayabe, Hazumi, Fukumizu and Kuriyama. 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: Kentaro Matsui, matsui.kentaro@ncnp.go.jp