==== Front Child Adolesc Psychiatry Ment Health Child Adolesc Psychiatry Ment Health Child and Adolescent Psychiatry and Mental Health 1753-2000 BioMed Central London 634 10.1186/s13034-023-00634-7 Correction Correction: Risk and protective factors related to changes in mental health among adolescents since COVID-19 in Hong Kong: a cross-sectional study Yeung Cheuk Yui 1 Men Vera Yu 12 So Wendy W. Y. 2 Fong Daniel Yee Tak 3 Lam Mona Wai Cheung 4 Cheung Derek Yee Tak 3 Yip Paul Siu Fai sfpyip@hku.hk 12 1 grid.194645.b 0000000121742757 Department of Social Work and Social Administration, The University of Hong Kong, Pokfulam, Hong Kong, SAR China 2 grid.194645.b 0000000121742757 Hong Kong Jockey Club Centre for Suicide Research and Prevention, The University of Hong Kong, Hong Kong, SAR China 3 grid.194645.b 0000000121742757 School of Nursing, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, SAR China 4 grid.489853.b 0000 0000 8506 2665 The Family Planning, Association of Hong Kong, Hong Kong, SAR China 30 6 2023 30 6 2023 2023 17 84© The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/ Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data. issue-copyright-statement© BioMed Central Ltd., part of Springer Nature 2023 ==== Body pmc Correction: Child and Adolescent Psychiatry and Mental Health (2023) 17:68 10.1186/s13034-023-00622-x Following publication of the original article [1], the authors identified errors in Table 1. The numbers and percentages for the variable “Average sleeping time in the past month” in the column Poorer and Unchanged should be swapped. The correct Table 1 has been presented with this correction.Table 1 Characteristics of respondents by self-reported mental health status since COVID-19 Mental Health Poorer Unchanged Better N = 2055 N = 3298 N = 1312 Mean ± SD/N (%) Mean ± SD/N (%) Mean ± SD/N (%) Age 14.42 ± 1.28 14.18 ± 1.28 14.30 ± 1.26 Gender (Male) 984 (47.9) 1816 (55.1) 814 (62.0) Satisfaction with academic performance  Dissatisfied 772 (37.6) 722 (21.9) 270 (20.6)  Neutral 980 (47.8) 1934 (58.7) 729 (55.6)  Satisfied 299 (14.6) 637 (19.3) 312 (23.8) Satisfaction with school life  Dissatisfied 147 (7.2) 111 (3.4) 61 (4.7)  Neutral 869 (42.3) 1263 (38.3) 416 (31.7)  Satisfied 1039 (50.6) 1922 (58.3) 834 (63.6) Relationship with classmates  Dissatisfied 56 (2.7) 47 (1.4) 29 (2.2)  Neutral 667 (32.5) 963 (29.3) 335 (25.6)  Satisfied 1331 (64.8) 2281 (69.3) 946 (72.2) Satisfaction with family life  Dissatisfied 221 (10.8) 123 (3.8) 50 (3.8)  Neutral 753 (36.8) 978 (29.9) 313 (24.1)  Satisfied 1074 (52.4) 2165 (66.3) 938 (72.1) Average sleeping time in the past month  Weekdays  7–9 h 812 (41.5) 1719 (55.4) 672 (54.1)   < 7 h 1063 (54.3) 1214 (39.1) 481 (38.7)   > 9 h 82 (4.2) 169 (5.4) 90 (7.2)  Weekends  7–9 h 984 (50.5) 1678 (54.4) 628 (50.6)  < 7 h 301 (15.5) 370 (12.0) 116 (9.4)  > 9 h 663 (34.0) 1038 (33.6) 496 (40.0) Average exercise time in the past month  Weekdays   ≥ 30 min 1382 (68.7) 2247 (70.2) 970 (75.5)  Weekends   ≥ 30 min 1320 (65.6) 2153 (67.1) 936 (72.6) All tests are statistically significant with a p-value less than 0.001 Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. ==== Refs Reference 1. Yeung CY Men VY So WWY Risk and protective factors related to changes in mental health among adolescents since COVID-19 in Hong Kong: a cross-sectional study Child Adolesc Psychiatry Ment Health 2023 17 68 10.1186/s13034-023-00622-x 37308933