Sleep duration and weight gain: reconsideration by panel data analysis.

ABSTRACT:

Background

Inconsistent findings in previous studies of the association between sleep duration and changes in body mass index (BMI) may be attributed to misclassification of sleep duration fluctuations over time and unmeasured confounders such as genetic factors. The aim of the present study was to overcome these failings by using repeated measurements and panel data analysis to examine the sleep-BMI association.

Methods

Panel data were derived by secondary use of the data from mandatory health checkups at a Japanese gas company. Male non-shift workers aged 19-39 years in 2007 were annually followed until 2010 (n = 1687, 6748 records). BMI was objectively measured, and sleep duration was self-reported.

Results

Compared with 7-hour sleepers, panel analysis with the pop

SUBMITTER: Nishiura C 

PROVIDER: S-EPMC4150012 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature