Table 4. Multilevel Logistic Regression Analyses for Associations of Mid-Sleep Time With Prevalent General Obesity and Abdominal Obesity in All Participants and by Sex or Age.
| Group | General obesitya | Abdominal obesityb | ||
|---|---|---|---|---|
| AOR (95% CI) | P value | AOR (95% CI) | P value | |
| All participantsc | 1.05 (1.03-1.07) | <.001 | 1.05 (1.03-1.07) | <.001 |
| Sex | ||||
| Men | 1.01 (0.98-1.04) | .41 | 1.03 (1.00-1.07) | .03 |
| Women | 1.06 (1.03-1.08) | <.001 | 1.05 (1.03-1.07) | <.001 |
| Age, y | ||||
| <65 | 1.04 (1.02-1.06) | <.001 | 1.03 (1.01-1.05) | <.001 |
| ≥65 | 1.04 (0.98-1.10) | .16 | 1.05 (1.00-1.11) | .05 |
Abbreviation: AOR, adjusted odds ratio.
a
Defined as body mass index (calculated as weight in kilograms divided by height in meters squared) of 30 or greater.
b
Defined as waist circumference as greater than 102 cm in men or greater than 88 cm in women.
c
Adjusted for age, sex, education, location, country income status, smoking status, drinking status, family history of disease, diabetes, depression, physical activity, total energy intake, nocturnal sleep duration, naps, and center as random effect.