Journal
SLEEP AND BIOLOGICAL RHYTHMS
Volume 16, Issue 2, Pages 211-222Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s41105-017-0142-6
Keywords
Social jetlag; Sleep duration; Chronotype; Stimulant consumption
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Funding
- Education and Teaching Reform Major project of the Chongqing Medical University [JY170106]
- Planning Topic of Chongqing Educational Science in the 13th Five-Year Plan [2016-GX-095]
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The study sought to identify the association between stimulant consumption and social jetlag, chronotype as well as sleep duration among undergraduate students. A cross-sectional survey was conducted in the university town in Chongqing, China. Data were collected on 977 participants, age 20.06 (SD = 1.25) years old, using the Munich Chronotype Questionnaire (MCTQ) to measure social jetlag, chronotype and average sleep duration. A self-reported questionnaire was used to collect the information: BMI, demographic data, outdoor activity time, smoking status, alcohol consumption, coffee consumption and sugar-sweetened beverage consumption. The positive significant association was found between late chronotype and alcohol consumption (OR = 1.26, 95% CI [1.05-1.52]), being a current smoker (OR = 1.62, 95% CI [1.26-2.07]) and sugar-sweetened beverage consumption (OR = 1.42, 95% CI [1.17-1.72]). Average sleep duration was negatively associated with BMI (OR = 0.84, 95% CI [0.71-0.98]). Social jetlag did not find any association between stimulant consumption and BMI in the adjusted model. The results showed that Chinese undergraduate students had a negative significant association between average sleep duration and BMI, and late chronotype might affect the stimulant consumption among the group. This study may provide some implications for health management of obesity among undergraduate students in China.
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