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Sex differences in the association between social relationships and insomnia symptoms

 Kyungmee Park  ;  Daol Cho  ;  Eun Lee  ;  Junsol Kim  ;  Jee-Seon Shim  ;  Yoosik Youm  ;  Suk Kyoon An  ;  Kee Namkoong  ;  Hyeon Chang Kim 
 JOURNAL OF CLINICAL SLEEP MEDICINE, Vol.16(11) : 1871-1881, 2020-11 
Journal Title
Issue Date
bridging potential ; insomnia ; sex difference ; social network size ; social relationship
Study objectives: Social relationships are an understudied factor affecting insomnia. In particular, these effects have not been evaluated in the context of sex differences. In this study, we investigated differences between sexes with regard to the association between insomnia symptoms and social relationships. Methods: We used data from 2681 middle-aged adults (aged 40-64 years; females, 68.8%) from the Cardiovascular and Metabolic Diseases Etiology Research Center project. Insomnia symptoms were defined as difficulty with sleep induction or maintenance ≥3 nights per week. We assessed social network size and bridging potentials as indicators of social relationships. Social network size is a quantitative measure of the size of social relationships, and bridging potential is a qualitative indicator of the diversity and independence of these relationships. Multivariate regression analysis controlling for confounding factors was performed to evaluate associations between social relationships and insomnia symptoms. Results: Smaller social network size was significantly associated with sleep induction (adjusted odds ratio = 0.866, P = .015) and sleep maintenance (adjusted odds ratio = 0.862, P = .015) difficulties, but only in men. Poor bridging potential was also associated with sleep induction (adjusted odds ratio = 0.321, P = .024) and maintenance (adjusted odds ratio = 0.305, P = .031) difficulties only in men. For women, social relationship variables were not significantly associated with insomnia symptoms. Conclusions: The association between insomnia symptoms and social relationships varied by sex, as noted by statistical analyses accounting for covariates affecting insomnia symptoms. These results suggest that qualitative assessments of social relationship variables should be considered in clinical practice, since these variables can be interpreted differently for men and women.
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1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyeon Chang(김현창) ORCID logo https://orcid.org/0000-0001-7867-1240
Namkoong, Kee(남궁기) ORCID logo https://orcid.org/0000-0003-1400-8057
Shim, Jee Seon(심지선) ORCID logo https://orcid.org/0000-0002-8671-3153
An, Suk Kyoon(안석균) ORCID logo https://orcid.org/0000-0003-4576-6184
Lee, Eun(이은) ORCID logo https://orcid.org/0000-0002-7462-0144
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