期刊
JOURNAL OF SLEEP RESEARCH
卷 26, 期 4, 页码 468-476出版社
WILEY
DOI: 10.1111/jsr.12466
关键词
childhood obesity; public health; epidemiology
资金
- Collaborative Research and Innovation Opportunities Team Grant from Alberta Innovates-Health Solutions
- Alberta Health
- Alberta Innovates-Health Solutions
- Stollery Children's Hospital Foundation through the Women and Children's Health Research Institute
- Canadian Institutes for Health Research Canada Research Chair in Population Health
- Alberta Research Chair in Nutrition and Disease Prevention
- Alberta Innovates Health Scholarship
- Alberta Innovates [201300671] Funding Source: researchfish
Both diet quality and sleep duration of children have declined in the past decades. Several studies have suggested that diet and sleep are associated; however, it is not established which aspects of the diet are responsible for this association. Is it nutrients, food items, diet quality or eating behaviours? We surveyed 2261 grade 5 children on their dietary intake and eating behaviours, and their parents on their sleep duration and sleep quality. We performed factor analysis to identify and quantify the essential factors among 57 nutrients, 132 food items and 19 eating behaviours. We considered these essential factors along with a diet quality score in multivariate regression analyses to assess their independent associations with sleep. Nutrients, food items and diet quality did not exhibit independent associations with sleep, whereas two groupings of eating behaviours did. Unhealthy eating habits and environments' was independently associated with sleep. For each standard deviation increase in their factor score, children had 6min less sleep and were 12% less likely to have sleep of good quality. Snacking between meals and after supper' was independently associated with sleep quality. For each standard deviation increase in its factor score, children were 7% less likely to have good quality sleep. This study demonstrates that eating behaviours are responsible for the associations of diet with sleep among children. Health promotion programmes aiming to improve sleep should therefore focus on discouraging eating behaviours such as eating alone or in front of the TV, and snacking between meals and after supper.
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