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HomeArticlesVol 35,2025 No.9Detail

The association between sleep duration, overweight/obesity, and multimorbidity among primary care medical staff

Published on Sep. 26, 2025Total Views: 37 timesTotal Downloads: 11 timesDownloadMobile

Author: JIANG Hong 1 LEI Haoyuan 2 GENG Hui 1 HE Dandan 3 ZHANG Yanxiu 1 MA Mao 1

Affiliation: 1. Department of Health Management, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China 2. Office of Discipline Construction, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China 3. Ministry of Science and Technology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China

Keywords: Multimorbidity Sleep duration Overweight/obesity Medical staff of primary health service institutions

DOI: 10.12173/j.issn.1004-5511.202502038

Reference: Jiang H, Lei HY, Geng H, He DD, Zhang YX, Ma M. The association between sleep duration, overweight/obesity, and multimorbidity among primary care medical staff[J]. Yixue Xinzhi Zazhi, 2025, 35(9): 1004-1010. DOI: 10.12173/j.issn.1004-5511.202502038. [Article in Chinese]

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Abstract

Objective  To investigate the association of sleep duration and overweight/obesity with the risk of multimorbidity among primary care medical staff.

Methods  Medical staff of primary health service institutions in Shaanxi Province were selected as the study subjects using the convenient cluster sampling method. Information about personal life behavior was collected via online questionnaire. The association between sleep duration, overweight/obesity and chronic diseases and multimorbidity was analyzed.

Results  A total of 3,483 primary care medical staff were included. The prevalence rate of multimorbidity in the present study was 7.78%. Multivariate ordinal Logistic regression analysis showed that poor sleep (<7 h or >9 h) [OR=1.31, 95%CI (1.05, 1.64)] and overweight/obesity (BMI≥24.0 kg/ m2) [OR=2.06, 95%CI (1.69, 2.52)] were associated with increased risk of multimorbidity. A U-shaped curve was observed between sleep time and the risk of multimorbidity by using the cubic spline model, with the participants who slept 7~9 h had the lowest risk of multimorbidity and BMI showed a linear association with the risk of such disease. The results of joint analysis revealed that optimal sleep combined with overweight/obesity [OR=2.11, 95%CI (1.70, 2.64)] and suboptimal sleep combined with overweight/ obesity [OR=3.12, 95%CI (2.28, 4.25)] were significantly associated with an increased risk of multimorbidity compared with those with optimal sleep combined with lean/normal weight.

Conclusion  Suboptimal sleep, overweight/obesity and their interactions are significantly associated with an increased risk of multimorbidity, and therefore, improve sleep and establish a healthy lifestyle might be a potential useful strategy for multimorbidity prevention among medical staff of primary health service institutions.

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