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Sleep Med. 2014 Jan;15(1):64-70. doi: 10.1016/j.sleep.2013.08.784. Epub 2013 Oct 14.

Associations of self-reported and actigraphy-assessed sleep characteristics with body mass index and waist circumference in adults: moderation by gender.

Author information

1
The Miriam Hospital and Warren Alpert School of Medicine at Brown University, Providence, RI, United States.
2
The Miriam Hospital and Warren Alpert School of Medicine at Brown University, Providence, RI, United States. Electronic address: JMccaffery@lifespan.org.

Abstract

OBJECTIVES:

Self-reported sleep duration has been linked to body mass index (BMI) and waist circumference in previous work; however, data regarding if these associations are stronger in men or women have been mixed, and few studies have objectively measured sleep. We investigated self-reported and actigraphy-assessed sleep characteristics in relation to BMI and waist circumference and examined the extent to which these associations differ by gender.

DESIGN:

Archived cross-sectional data collected from 2004 to 2006 from the National Survey of Midlife Development in the United States (MIDUS) Biomarkers Study were used. Participants included 1248 adults (43% men) who reported their habitual sleep duration, and a subset of participants (N=441; 40% men) who underwent seven nights of wrist actigraphy.

RESULTS:

Self-reported total sleep time (TST), actigraphy-assessed TST, and actigraphy-assessed sleep efficiency (SE) were inversely associated with BMI in the full sample of both men and women. Gender moderated associations between actigraphy assessments of sleep and anthropometric variables; however, TST and SE were related to BMI and waist circumference in women only. Associations between sleep and waist circumference were independent of BMI.

CONCLUSIONS:

Sleep duration and sleep continuity are associated with body weight and distribution of body fat, but these associations were stronger or were only present in women.

KEYWORDS:

Actigraphy; Body mass index; Gender; Sleep duration; Waist circumference; Women

PMID:
24239499
PMCID:
PMC3926516
DOI:
10.1016/j.sleep.2013.08.784
[Indexed for MEDLINE]
Free PMC Article

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