Rest-activity rhythm parameters | Model 1 | Model 2 | Model 3 | |||
OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | |
RA | 0.73 (0.62 to 0.86) | <0.001 | 0.73 (0.62 to 0.86) | <0.001 | 0.75 (0.63 to 0.89) | 0.002 |
IV | 1.34 (1.17 to 1.53) | <0.001 | 1.39 (1.22 to 1.59) | <0.001 | 1.37 (1.19 to 1.58) | <0.001 |
IS | 0.90 (0.80 to 1.02) | 0.08 | 0.88 (0.77 to 1.05) | 0.06 | 0.89 (0.77 to 1.02) | 0.09 |
M10 start time | 0.97 (0.91 to 1.04) | 0.39 | 0.96 (0.91 to 1.02) | 0.22 | 0.96 (0.91 to 1.02) | 0.20 |
L5 start time | 0.97 (0.88 to 1.07) | 0.59 | 1.01 (0.92 to 1.10) | 0.86 | 1.01 (0.93 to 1.11) | 0.77 |
n=2760 for model 1; n=2565 for model 2; n=2554 for model 3.
Model 1: adjusted for age, sex, and ethnicity.
Model 2: adjusted for age, sex, ethnicity, ratio of family income to poverty level, physical activity, and smoking.
Model 3: adjusted for age, sex, ethnicity, ratio of family income to poverty level, physical activity, smoking, BMI, and history of hypertension
Bold values indicate significant findings.
BMI, body mass index; IS, interdaily stability; IV, intradaily variability; L5, least active continuous 5-hour period; M10, most active continuous 10-hour period; RA, relative amplitude.