Table 2.
General estimating equations: associations between sitting time, physical activity, activity pattern (i.e., the combination of sitting time and physical activity) and physical functioning in older women
| Sitting time (h/day) | Physical activity (MET min/week) | Unadjusteda | Adjusteda | |||
|---|---|---|---|---|---|---|
| n | B | CI | B | CI | ||
| <4 | 2796 | 0 | 0 | |||
| 4–7 | 2590 | −4.5 | −5.8 to −3.2 | −1.9 | −2.9 to −0.9 | |
| ≥8 | 1225 | −15.1 | −16.8 to−13.5 | −6.3 | −7.6 to −5.0 | |
| <40 | 2522 | 0 | 0 | |||
| 40–450 | 1533 | 18.4 | 17.0 to 19.9 | 10.8 | 9.6 to 11.9 | |
| 450–900 | 963 | 23.8 | 22.2 to 25.5 | 14.3 | 13.0 to 15.6 | |
| ≥900 | 1593 | 28.8 | 27.4 to 30.2 | 16.9 | 15.7 to 18.0 | |
| ≥8 | <40 | 644 | 0 | 0 | ||
| 4–7 | <40 | 926 | 9.2 | 6.9 to 11.5 | 4.8 | 3.0 to 6.7 |
| <4 | <40 | 952 | 14.7 | 12.5 to 17.0 | 7.0 | 5.2 to 8.9 |
| ≥8 | 40–450 | 235 | 22.5 | 19.1 to 25.8 | 13.6 | 10.9 to 16.3 |
| 4–7 | 40–450 | 597 | 26.9 | 24.4 to 29.4 | 15.8 | 13.8 to 17.8 |
| <4 | 40–450 | 701 | 29.6 | 27.2 to 32.0 | 16.7 | 14.7 to 18.6 |
| ≥8 | 450–900 | 116 | 26.0 | 21.6 to 30.4 | 16.0 | 12.5 to 19.6 |
| 4–7 | 450–900 | 412 | 32.5 | 29.7 to 35.2 | 19.6 | 17.4 to 21.9 |
| <4 | 450–900 | 435 | 35.0 | 32.4 to 37.7 | 20.6 | 18.4 to 22.8 |
| ≥8 | ≥900 | 230 | 33.1 | 29.7 to 36.4 | 20.6 | 17.9 to 23.0 |
| 4–7 | ≥900 | 655 | 36.1 | 33.7 to 38.6 | 21.0 | 19.0 to 23.0 |
| <4 | ≥900 | 708 | 40.9 | 38.5 to 43.3 | 24.5 | 22.5 to 26.4 |
B regression coefficient, CI 95 % confidence interval
aUnadjusted models include survey, adjusted models additionally include age, education, housing situation, chronic conditions, BMI, bodily pain, fracture history, and dizziness