Relationship between sleep and obesity among U.S. and South Korean college students

dc.contributor.authorSa, Jaesin
dc.contributor.authorChoe, Siyoung
dc.contributor.authorCho, Beom-young
dc.contributor.authorChaput, Jean-Philippe
dc.contributor.authorKim, Gyurin
dc.contributor.authorPark, Chae-Hee
dc.contributor.authorChung, Joon
dc.contributor.authorChoi, Yoojin
dc.contributor.authorNelson, Beatrice
dc.contributor.authorKim, Yongkyu
dc.date.accessioned2023-07-31T19:11:39Z
dc.date.available2023-07-31T19:11:39Z
dc.date.issued2020
dc.descriptionArticle originally published in BMC Public Health, 20(96), 1–11. English. Published online 2020. https://doi.org/10.1186/s12889-020-8182-2
dc.description.abstractBackground: Little is known about the relationship between sleep and obesity in young adults, particularly college students. This study examined the relationship between sleep (i.e., sleep duration and quality) and obesity in a large and diverse binational sample of college students.
dc.description.abstractMethods: Analyses were based on a 40-item paper survey from 2016/2017 to 2017/2018 academic years, with a 72% response rate. The samples were 1578 college students aged 18–25 years from five universities (two in the U.S. and three in South Korea). Weight and height were measured objectively; other measures (e.g., health behaviors) were self-reported. Multinomial logistic regression was used to assess the association between sleep duration and independent variables (race/nationality, gender, and BMI). Poisson regression was used to examine the relationship between sleep quality and independent variables.
dc.description.abstractResults: Overall, blacks had a higher adjusted odds ratio (AOR) of short sleep (< 7 h/night) than whites (AOR = 1.74, P < .01); overweight participants had a higher AOR of short sleep than normal weight participants (AOR = 1.52, P < .01); and obese participants had a higher AORs of both short and long sleep (> 9 h/night) (AOR = 1.67, P < .01; AOR = 1.79, P < .05, respectively). Among men, being black, overweight, and obesity were associated with short sleep (P < .05), whereas only obesity was related to short sleep among women (P < .05). In analyses stratified by race and nationality, overweight and obesity were related to short sleep among blacks only (P < .05). Overall, sleep quality (getting enough sleep to feel rested in the morning in the past 7 days) was worse in blacks and South Koreans than whites (P < .05), worse in women than men (P < .05), and worse in participants with obesity than normal weight participants (P < .05).
dc.description.abstractConclusions: Obesity was associated with both short (< 7 h/night) and long sleep duration (> 9 h/night) and poor sleep quality among all participants. In comparison with whites, blacks were more like to have short sleep, and blacks and South Koreans had worse sleep quality. Further investigations using a larger sample of college students in multiple countries may be helpful to identify target populations who are at a greater risk of obesity and sleep problems.
dc.identifier.citationThis is the published version of an article that is available at: https://doi.org/10.1186/s12889-020-8182-2. Recommended citation: Sa, J., Choe, S., Cho, B., Chaput, J.-P., Kim, G., Park, C.-H., Chung, J., Choi, Y., Nelson, B., & Kim, Y. (2020). Relationship between sleep and obesity among U.S. and South Korean College students. BMC Public Health, 20(96), 1–11. This item has been deposited in accordance with publisher copyright and licensing terms and with the author’s permission.en_US
dc.identifier.urihttps://doi.org/10.1186/s12889-020-8182-2
dc.identifier.urihttps://hdl.handle.net/11274/15295
dc.language.isoen_USen_US
dc.publisherBMCen_US
dc.rights.licenseCC BY 4.0
dc.subjectSleepen_US
dc.subjectObesityen_US
dc.subjectRaceen_US
dc.subjectSouth Koreaen_US
dc.subjectGenderen_US
dc.titleRelationship between sleep and obesity among U.S. and South Korean college studentsen_US
dc.typeArticleen_US

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