Table 4.
Prospective Odds Ratios and 95% Confidence Intervals of Baseline Sleep Duration and a Weight Gain of 5 kg or More From 1995 to 2004, by Sex, National Institutes of Health-AARP Diet and Health Study
| Model | Sleep Duration, hours |
P for Trend | |||||||
|---|---|---|---|---|---|---|---|---|---|
| <5 |
5–6 |
7–8 |
≥9 |
||||||
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | ||
| Men | |||||||||
| Model 1a | 1.43 | 1.22, 1.71 | 1.14 | 1.08, 1.21 | 1 | Referent | 1.20 | 1.03, 1.40 | <0.001 |
| Model 2b | 1.29 | 1.08, 1.53 | 1.10 | 1.04, 1.16 | 1 | Referent | 1.17 | 1.00, 1.36 | 0.002 |
| Model 3c | 1.27 | 1.07, 1.52 | 1.10 | 1.04, 1.16 | 1 | Referent | 1.16 | 0.99, 1.36 | 0.002 |
| Women | |||||||||
| Model 1a | 1.39 | 1.20, 1.61 | 1.17 | 1.11, 1.23 | 1 | Referent | 0.98 | 0.85, 1.13 | <0.001 |
| Model 2b | 1.30 | 1.12, 1.51 | 1.12 | 1.06, 1.18 | 1 | Referent | 1.02 | 0.88, 1.17 | <0.001 |
| Model 3c | 1.30 | 1.12, 1.51 | 1.12 | 1.06, 1.18 | 1 | Referent | 1.02 | 0.88, 1.17 | <0.001 |
Abbreviation: CI, confidence interval; OR, odds ratio.
a Adjusted for age and baseline body mass index (weight (kg)/height (m)2).
b Adjusted for age, baseline body mass index, race/ethnicity, marital status, educational level, self-reported health, smoking status, alcohol consumption, and coffee consumption.
c Adjusted for variables in model 2 and potential mediators including physical activity level, overall time spent sitting, total caloric intake, and the intake of fruits and vegetables, whole grains, and total fat.