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Eur J Public Health. 2016 Dec;26(6):1001-1006. doi: 10.1093/eurpub/ckw084. Epub 2016 Jul 1.

Ethnic differences in sleep duration at 5 years, and its relationship with overweight and blood pressure.

Author information

1
Department of Public Health, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands k.o.anujuo@amc.uva.nl.
2
Department of Public Health, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
3
Department of Medicine, Center for Healthful Behavior Change, Division of General Internal Medicine, New York University School of Medicine, New York, USA.

Abstract

BACKGROUND:

Studies on adult population indicate shorter sleep duration in ethnic minority groups than host populations. We examined ethnic differences in sleep duration and its relationship with overweight and blood pressure (BP) among children living in Amsterdam.

METHODS:

Participants include 2384 children (aged 5 years) and their mothers from the Amsterdam-based longitudinal study. Sleep was categorised into short sleep (<10 h/night) and normal sleep (10-11 h/night). Linear regressions ( Β: were used to study association between sleep duration and systolic BP (SBP) and diastolic BP (DBP). Prevalence ratios (PRs) were used to study ethnic differences in sleep duration and its association with overweight and raised BP.

RESULTS:

Minority groups reported shorter sleep duration compared to native Dutch, with prevalence ranging from 11.3% in Dutch to 53.1% in Ghanaians. Age-adjusted PRs ranged from 3.38 (95%CI 2.63-4.34) in Moroccans to 4.78 (95%CI 3.36-6.82) in Ghanaian compared with Dutch children. Increased prevalence of overweight was observed among children with short sleep in Dutch and Moroccans only, but this risk was no longer statistically significant after further adjustment for socioeconomic status. Short sleep was not related to SBP and DBP in all groups. No relationship was observed between short sleep and raised BP except for African Surinamese (3.65, 95% CI 1.23-10.8).

CONCLUSION:

Like adults, children from ethnic minority populations sleep less hours than Dutch children. Efforts to improve ethnic inequalities in sleep hygiene should also include children at younger age. Associations as reported in adults with overweight and BP could not consistently be replicated in children, however.

PMID:
27371667
PMCID:
PMC6279223
DOI:
10.1093/eurpub/ckw084
[Indexed for MEDLINE]
Free PMC Article

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