Table 5.
Prospective Odds Ratios and 95% Confidence Intervals of Baseline Sleep Duration and a Weight Gain of 5 kg or More From 1995 to 2004 Among Men, by Subgroup, National Institutes of Health-AARP Diet and Health Study
| Subgroup | Sleep Duration, hours |
P for Trend | |||||||
|---|---|---|---|---|---|---|---|---|---|
| <5 |
5–6 |
7–8 |
≥9 |
||||||
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | ||
| Age, yearsa | |||||||||
| 50–<55 | 1.35 | 0.96, 1.90 | 1.08 | 0.96, 1.22 | 1 | Referent | 0.90 | 0.58, 1.39 | 0.05 |
| 55–<60 | 1.31 | 0.98, 1.76 | 1.11 | 1.00, 1.22 | 1 | Referent | 1.21 | 0.89, 1.64 | 0.05 |
| 60–<65 | 1.20 | 0.84, 1.72 | 1.15 | 1.03, 1.28 | 1 | Referent | 1.35 | 1.03, 1.77 | 0.14 |
| 65–71 | 1.23 | 0.80, 1.90 | 1.05 | 0.92, 1.19 | 1 | Referent | 1.08 | 0.80, 1.47 | 0.48 |
| P for interaction | 0.68 | ||||||||
| Educational levela | |||||||||
| Less than college | 1.65 | 1.25, 2.18 | 1.15 | 1.03, 1.28 | 1 | Referent | 1.27 | 0.95, 1.70 | 0.003 |
| Some college or higher | 1.06 | 0.84, 1.33 | 1.09 | 1.02, 1.16 | 1 | Referent | 1.11 | 0.92, 1.35 | 0.07 |
| P for interaction | 0.43 | ||||||||
| Smoking statusb | |||||||||
| Never | 1.20 | 0.87, 1.64 | 1.08 | 0.98, 1.20 | 1 | Referent | 1.12 | 0.84, 1.51 | 0.14 |
| Former | 1.33 | 1.05, 1.69 | 1.13 | 1.04, 1.21 | 1 | Referent | 1.16 | 0.95, 1.43 | 0.004 |
| Current | 1.44 | 0.91, 2.27 | 1.10 | 0.93, 1.30 | 1 | Referent | 1.03 | 0.62, 1.70 | 0.11 |
| P for interaction | 0.05 | ||||||||
| Baseline body mass indexa,c | |||||||||
| 15–24.9 | 1.47 | 1.03, 2.09 | 1.20 | 1.08, 1.34 | 1 | Referent | 1.52 | 1.16, 1.99 | 0.01 |
| 25–29.9 | 1.28 | 0.99, 1.66 | 1.07 | 0.98, 1.15 | 1 | Referent | 1.09 | 0.86, 1.37 | 0.08 |
| 30–50 | 1.14 | 0.84, 1.55 | 1.04 | 0.93, 1.17 | 1 | Referent | 0.91 | 0.64, 1.28 | 0.24 |
| P for interaction | 0.24 | ||||||||
| Physical activity levela | |||||||||
| ≤3 times/month | 1.19 | 0.89, 1.60 | 1.13 | 1.02, 1.26 | 1 | Referent | 1.39 | 1.06, 1.83 | 0.18 |
| 1–4 times/week | 1.19 | 0.90, 1.56 | 1.06 | 0.98, 1.15 | 1 | Referent | 1.08 | 0.86, 1.37 | 0.13 |
| ≥5 times/week | 1.70 | 1.19, 2.44 | 1.12 | 0.99, 1.27 | 1 | Referent | 1.07 | 0.75, 1.52 | 0.01 |
| P for interaction | 0.12 | ||||||||
| Overall time spent sittinga | |||||||||
| <3 hour/day | 1.24 | 0.85, 1.80 | 1.09 | 0.95, 1.24 | 1 | Referent | 0.84 | 0.56, 1.29 | 0.08 |
| 3–6 hour/day | 1.4 | 1.11, 1.77 | 1.07 | 0.99, 1.16 | 1 | Referent | 1.28 | 1.04, 1.56 | 0.09 |
| ≥7 hour/day | 1.13 | 0.79, 1.61 | 1.17 | 1.05, 1.30 | 1 | Referent | 1.15 | 0.83, 1.58 | 0.02 |
| P for interaction | 0.80 | ||||||||
Abbreviation: CI, confidence interval; OR, odds ratio.
a Adjusted for age, baseline body mass index, race/ethnicity, marital status, educational level, self-reported health, smoking status, alcohol consumption, and coffee consumption.
b Adjusted for all variables above except for smoking status.
c Weight (kg)/height (m)2.