Smoking, Screen-Based Sedentary Behavior, and Diet Associated with Habitual Sleep Duration and Chronotype: Data from the UK Biobank

Apr 9, 2016Annals of behavioral medicine : a publication of the Society of Behavioral Medicine

Smoking, Screen Time, and Diet Linked to Usual Sleep Length and Sleep Timing Patterns in UK Adults

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Abstract

Short sleepers were 45% more likely to smoke tobacco than adequate sleepers.

Late chronotypes are more than twice as likely to smoke tobacco compared to intermediate types.
Long sleepers report 0.61 more hours of television viewing per day than adequate sleepers.
Early chronotypes use computers for 0.20 fewer hours per day compared to intermediate chronotypes.
Early chronotypes consume 0.25 more servings of fruit and 0.13 more servings of vegetables per day than late chronotypes.
Short and long sleep durations, along with late chronotype, are linked to higher cardiovascular risk behaviors.

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BACKGROUND: Sleep duration has been implicated in the etiology of obesity but less is known about the association between sleep and other behavioral risk factors for cardiovascular disease.

PURPOSE: The aim of this study was to examine the associations among sleep duration, chronotype, and physical activity, screen-based sedentary behavior, tobacco use, and dietary intake.

METHODS: Regression models were used to examine sleep duration and chronotype as the predictors and cardiovascular risk factors as outcomes of interest in a cross-sectional sample of 439,933 adults enrolled in the UK Biobank project.

RESULTS: Short sleepers were 45 % more likely to smoke tobacco than adequate sleepers (9.8 vs. 6.9 %, respectively). Late chronotypes were more than twice as likely to smoke tobacco than intermediate types (14.9 vs. 7.4 %, respectively). Long sleepers reported 0.61 more hours of television per day than adequate sleepers. Early chronotypes reported 0.20 fewer daily hours of computer use per day than intermediate chronotypes. Early chronotypes had 0.25 more servings of fruit and 0.13 more servings of vegetables per day than late chronotypes.

CONCLUSIONS: Short and long sleep duration and late chronotype are associated with greater likelihood of cardiovascular risk behaviors. Further work is needed to determine whether these findings are maintained in the context of objective sleep and circadian estimates, and in more diverse samples. The extent to which promoting adequate sleep duration and earlier sleep timing improves heart health should also be examined prospectively.

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Smoking, Screen-Based Sedentary Behavior, and Diet Associated with Habitual Sleep Duration and Chronotype: Data from the UK Biobank

Abstract

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