Wang Yue, Wang Peijie, Tousey-Pfarrer Marissa, Ran Maosheng, Ge Fenfen, Zhang Jun
Mental Health Centre, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
BMJ Open. 2025 Jun 21;15(6):e085703. doi: 10.1136/bmjopen-2024-085703.
OBJECTIVE: To explore the association between biological rhythm and internalising disorders among children and adolescents. DESIGN, SETTING AND PARTICIPANTS: This cross-sectional study used data from the Baoxing Youth Mental Health cohort and included 2119 children and adolescents recruited in December 2021 from 21 primary and secondary schools in Baoxing County, Sichuan Province, China. EXPOSURE: Biological rhythm was assessed across four domains-eating habits, physical activity, social interactions and sleep behaviours-using a 22-item, self-constructed questionnaire. Principal component analysis was performed to identify the patterns of biological rhythm. MAIN OUTCOME MEASURES: The 7-item Generalised Anxiety Disorder scale and the 9-item Patient Health Questionnaire were used to assess internalising disorders. Logistic regression analyses were conducted to examine the association between individual items and patterns of biological rhythm and internalising disorders. RESULTS: Among the participants, 47.9% were girls and the mean (SD) age was 12.4 (2.69) years. Seven distinct patterns of biological rhythm have been identified. Compared with low adherence level group, a high level of physical exercise (OR 0.43 (95%CI 0.33 to 0.56)), family meals for breakfast (0.53 (0.41 to 0.69)) and nutritious diet (0.48 (0.37 to 0.62)) were associated with a lower risk of internalising disorders. While high level of sedentary lifestyle (2.00 (1.53 to 2.62)), daytime tiredness (2.09 (1.61 to 2.71)) and unhealthy bedtime snacks (3.38 (2.57 to 4.44)) were associated with an increased risk of internalising disorders. Null results were observed for the pattern of social interactions in school (0.89 (0.69 to 1.16)). These associations were maintained for children and adolescents who were exposed to adverse childhood experiences. CONCLUSIONS: The results of this study highlight the potential protective effects of physical exercise, family meals for breakfast and nutritious diet on youth mental health. Well-designed longitudinal studies are needed to further clarify the relationship between patterns of biological rhythm and internalising disorders.
目的:探讨儿童和青少年的生物节律与内化性障碍之间的关联。 设计、地点和参与者:这项横断面研究使用了宝兴青少年心理健康队列的数据,纳入了2021年12月从中国四川省宝兴县21所中小学招募的2119名儿童和青少年。 暴露因素:使用一份自行编制的包含22个条目的问卷,从饮食习惯、身体活动、社交互动和睡眠行为这四个领域评估生物节律。进行主成分分析以确定生物节律模式。 主要结局指标:使用7项广泛性焦虑障碍量表和9项患者健康问卷评估内化性障碍。进行逻辑回归分析,以检验生物节律的各个条目和模式与内化性障碍之间的关联。 结果:参与者中,47.9%为女孩,平均(标准差)年龄为12.4(2.69)岁。已确定七种不同的生物节律模式。与低依从水平组相比,高水平的体育锻炼(比值比0.43(95%置信区间0.33至0.56))、早餐家庭聚餐(0.53(0.41至0.69))和营养饮食(0.48(0.37至0.62))与内化性障碍风险较低相关。而高水平的久坐不动生活方式(2.00(1.53至2.62))、白天疲倦(2.09(1.61至2.71))和不健康的睡前零食(3.38(2.57至4.44))与内化性障碍风险增加相关。学校社交互动模式的结果为无效(0.89(0.69至1.16))。这些关联在经历过不良童年经历的儿童和青少年中依然存在。 结论:本研究结果凸显了体育锻炼、早餐家庭聚餐和营养饮食对青少年心理健康的潜在保护作用。需要设计完善长期研究,以进一步阐明生物节律模式与内化性障碍之间的关系。
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