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Influence of occupation type on the association between sleep duration and impaired fasting glucose: results from a
Qingyun Lu1, Shangxi Wu1, Shiyu Wang1
1Department of Epidemiology and Medical Statistics, Nantong University, Nantong, China.
Objectives:
Systematic evaluation of the influence of occupation type on the association between sleep-glucose metabolism DESIGN: A cross-sectional study.
Setting:
The Nantong Metabolic Syndrome Study is a Chinese population-based study.
Participants:
20 502 participants aged 18-74 years old.
Intervention:
No intervention.
Primary And Secondary Outcome Measures:
Impaired fasting glucose (IFG).
Results:
A total of 1503 participants (7.33%) with a slightly longer sleep duration had IFG. After being stratified according to occupation, a sleep duration of ≥10 hours daily corresponded to a 1.321-fold risk of IFG (95% CI 1.071 to 1.628, p=0.0092) among moderate and heavy physical workers compared with those with a daily sleep duration of 7-9 hours. There was no significant relationship between sleep and IFG among other types of workers. Moreover, we discovered a gender difference in the influence of occupation on the sleep-IFG. A positive association among moderate and heavy physical men and a negative association among light or sedentary men were established, but not in unemployed men. However, a positive association was evident only in unemployed women; there was no significant association among other occupations.
Conclusion:
This study highlights the role of occupation in the relationship of sleep-glucose metabolism. A gender difference was found to have been influenced by occupational types on the sleep-metabolic association.
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