Table 2.
Weighted linear regression results for relationship between sleep duration and phenotypic age.
| Crude modela | Model 1b | Model 2c | ||||
|---|---|---|---|---|---|---|
| β (95% CI) | p-value | β (95% CI) | p-value | β (95% CI) | p-value | |
| Sleep duration (hours/day) | 0.329 (− 0.012, 0.669) | 0.058 | − 0.155 (− 0.317, 0.006) | 0.059 | 0.153 (0.015, 0.291) | 0.031 |
| Sleep duration (as category) | ||||||
| Normal sleep | Reference | Reference | Reference | |||
| Short sleep | 0.867 (0.000, 1.733) | 0.050 | 0.837 (0.358, 1.316) | < 0.001 | 0.142 (− 0.367, 0.650) | 0.570 |
| Extreme short sleep | 2.434 (1.240, 3.628) | < 0.001 | 2.356 (1.843, 2.869) | < 0.001 | 0.582 (0.018, 1.146) | 0.044 |
| Long sleep | 2.696 (1.720, 3.672) | < 0.001 | 1.000 (0.479, 1.521) | < 0.001 | 0.694 (0.186, 1.203) | 0.010 |
aCrude model, no covariate was adjusted.
bModel 1, age, sex, and race were adjusted.
cModel 2, age, sex, race, marital status, education, poverty status, body mass index, smokers, alcohol drinkers, exercise activity, hypertension, diabetes mellitus, and cardiovascular diseases were adjusted. CI, confidence interval.