Morning preference is associated with subjective happiness among Japanese female workers: A moderation analysis by sleep characteristics from the SLEPT study
Morning preference is associated with subjective happiness among Japanese female workers: A moderation analysis by sleep characteristics from the SLEPT study
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日本女工的早晨偏好与主观幸福感相关：SLEPT 研究中睡眠特征的调节分析
DOI：
10.1080/07420528.2022.2028801
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发表时间：
2022
影响因子：
2.8
通讯作者：
Matsuzaki Ichiyo
中科院分区：
文献类型：
--
作者：
Hori Daisuke;Arai Yo;Morita Emi;Ikeda Yu;Muroi Kei;Ishitsuka Mami;Ikeda Tomohiko;Takahashi Tsukasa;Doki Shotaro;Oi Yuichi;Sasahara Shinichiro;Ishihara Asuka;Matsumoto Sumire;Kanbayashi Takashi;Yanagisawa Masashi;Satoh Makoto;Matsuzaki Ichiyo
关于工作人口心理健康的研究主要集中在负面结果上，而关于生活积极方面的研究仍然非常有限，特别是在日本。尽管最近人们认为早起是快乐的一个因素，但睡眠特征在早起和快乐之间的联系中所起的作用还没有得到证实。本研究的目的是调查日本健康的全职白天工作者的白天偏好和主观幸福感之间的关系。我们还测试了睡眠参数对昼夜偏好和主观幸福感之间关系的调节作用。这是对筑波大学睡眠流行病学项目（SLEPT研究）的横断面数据进行的探索性分析。主观幸福感是用一个单项问题来评估的。使用晨间-晚间问卷（MEQ）评估昼夜偏好，其中得分越高表明偏好早晨的倾向越大。参与者连续7天使用腰戴式活动仪评估睡眠参数，并记录睡眠日记。调查的睡眠参数包括主观睡眠质量、睡眠障碍、白天嗜睡、周末睡过头、总睡眠时间、入睡时间、觉醒时间和睡眠效率。共有205名男性（平均42.6 ± 10.4岁）和272名女性（41.1 ± 9.8岁）符合分析条件。分层线性回归分析显示主观幸福感与MEQ评分和睡眠参数的关系。此外，通过添加MEQ评分和睡眠参数之间的相互作用进行适度分析。在调整了年龄，心理困扰，自测健康和职业压力后，我们发现主观幸福感与较高的MEQ评分和睡眠效率显着相关，但仅限于女性。睡眠参数的调节作用没有发现。我们讨论了所获得的结果和可能的策略，以保持和提高主观幸福感的女性工人谁有晚上的偏好的影响。
Research on mental health in working populations has predominantly focussed on negative outcomes, while studies on the positive aspects of life remain very limited, especially in Japan. Although morningness has recently been considered a factor for being happy, the role of sleep characteristics as it relates to the association between morningness and happiness has not been substantiated. The aim of this study is to investigate the associations between diurnal preference and level of subjective happiness in healthy, full-time, daytime workers in Japan. We also tested the moderation effect of sleep parameters on the relationship between diurnal preference and subjective happiness. This is an exploratory analysis from the cross-sectional data of the SLeep Epidemiology Project at the University of Tsukuba (SLEPT Study). Subjective happiness was evaluated using a single-item question. Diurnal preference was assessed using the Morningness-Eveningness Questionnaire (MEQ), in which higher scores indicate greater tendency to have morning preference. The participants underwent assessment of sleep parameters for 7 consecutive days using a waist-worn actigraphy device and kept a sleep diary. Sleep parameters investigated were subjective sleep quality, sleep disturbance, daytime sleepiness, weekend oversleep, total sleep time, sleep onset time, wake time, and sleep efficiency. A total of 205 males (average 42.6 ± 10.4 years) and 272 females (41.1 ± 9.8 years) were eligible for analysis. Hierarchical liner regression analysis was used to show the relationships of subjective happiness with MEQ score, and the sleep parameters. Further, moderation analysis was conducted by adding the interaction between MEQ score and the sleep parameters. After adjusting for age, psychological distress, self-rated health, and occupational stress, we found that subjective happiness was significantly associated with higher MEQ score and sleep efficiency but only in female. The moderating role of sleep parameters was not found. We discussed the implications of the obtained results and a possible strategy to maintain and improve subjective happiness of female workers who have evening preference.
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