ArticleFrontiers in public health2026
Prevalence and associated factors of insomnia among adults in Anhui Province, China.
Article in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Insomnia is a highly prevalent sleep disorder with substantial public health implications. However, comprehensive data on its prevalence and associated factors in Anhui Province, China, are limited. This study aimed to investigate the prevalence of insomnia and its key influencing factors among adults in Anhui Province. Methods: A population-based cross-sectional study was conducted in 2021 across 15 cities in Anhui Province, involving 8,317 adults aged ≥18 years selected via multi-stage probability sampling. Insomnia symptoms were assessed using the Insomnia Severity Index (ISI), with a score of ≥7 indicating the presence of insomnia. Data on socio-demographics, lifestyle, and health status were collected via face-to-face interviews. Univariate and multivariate logistic regression analyses were employed to identify factors associated with insomnia. Results: The overall prevalence of insomnia was 13.95% (1,160/8317). Multivariate analysis revealed that female gender ( Conclusion: Insomnia symptoms are common among adults in Anhui Province, affecting approximately one in seven individuals. The condition is strongly associated with being female, having chronic diseases, lower income, and poor self-rated health. These findings underscore the need to integrate sleep health screening and management into primary care and public health strategies, with particular attention to vulnerable subgroups.
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