Table 2.
Associations of Physical Activity or Sedentary Behavior on Outcomes
| % | Lived to Age 85 With no Chronic Disease and no Mobility Disability Relative to: | |||
|---|---|---|---|---|
| Lived to Age 85 With Mobility Disability With or Without Disease ORa (95% CI) | Lived to Age 85 With Disease but no Mobility Disability ORa (95% CI) | Died Before Age 85 y ORa (95% CI) | ||
| Total physical activity (MET-hours/week) | * | * | ||
| None (0) | 14.4 | 1.57 (1.41–1.74) | 1.09 (0.99–1.21) | 1.66 (1.50–1.84) |
| Low (0.5 to <7) | 29.2 | 1.22 (1.13–1.33) | 0.98 (0.91–1.05) | 1.23 (1.14–1.33) |
| Moderate (≥7 to <16.5) | 27.3 | 1.11 (1.03–1.20) | 1.01 (0.94–1.08) | 1.04 (0.96–1.12) |
| High (≥16.5) | 29.1 | Ref | Ref | Ref |
| Walking only (MET-hours/week) | * | * | ||
| None (0) | 31.4 | 1.48 (1.36–1.60) | 0.99 (0.92–1.07) | 1.52 (1.41–1.65) |
| Low (0.5 to <3.5) | 21.1 | 1.32 (1.21–1.44) | 0.99 (0.91–1.08) | 1.29 (1.18–1.40) |
| Moderate (≥3.5 to <7.5) | 20.9 | 1.11 (1.10–1.21) | 1.00 (0.92–1.08) | 1.13 (1.04–1.22) |
| High (≥7.5) | 26.6 | Ref | Ref | Ref |
| Hours/day Sittingb | * | * | ||
| 10 or more | 18.7 | 1.14 (1.02–1.29) | 1.00 (0.90–1.11) | 1.16 (1.04–1.29) |
| 6–9 | 45.0 | 1.09 (0.99–1.19) | 0.98 (0.91–1.07) | 1.02 (0.94–1.11) |
| 5 or less | 36.4 | Ref | Ref | Ref |
Note: CI = Confidence interval; MET = Metabolic equivalents; OR = Odds ratio.
aAdjusted for race/ethnicity, WHI study participation type, and baseline age, education, marital status, hormone therapy use, smoking status, alcohol use, body mass index, self-rated health, and depression. bObservational Study only and included adjustment of continuous MET-hours/wk from total physical activity.
*p-trend ≤ .05.