Table 3.
Associations of Physical Activity or Sedentary Behavior on Outcomes by Race/Ethnicity
| Lived to Age 85 With no 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) | |
| White | ||||
| Total physical activity (MET-hours/week) | * | * | ||
| None (0) | 13.9 | 1.57 (1.41–1.75) | 1.08 (0.97–1.21) | 1.65 (1.48–1.83) |
| Low (0.5 to <7) | 28.6 | 1.25 (1.15–1.36) | 0.99 (0.92–1.07) | 1.23 (1.14–1.34) |
| Moderate (≥7 to <16.5) | 27.6 | 1.13 (1.04–1.22) | 1.01 (0.94–1.09) | 1.04 (0.96–1.13) |
| High (≥16.5) | 29.8 | Ref | Ref | Ref |
| Hours/day Sittingb | * | * | ||
| 10 or more | 18.9 | 1.16 (1.02–1.30) | 1.01 (0.90–1.13) | 1.18 (1.05–1.32) |
| 6–9 | 45.7 | 1.08 (0.99–1.19) | 0.99 (0.91–1.08) | 1.04 (0.95–1.13) |
| 5 or less | 35.4 | Ref | Ref | Ref |
| Black/African American | ||||
| Total physical activity (MET-hours/week) | ||||
| None (0) | 21.2 | 0.99 (0.62–1.58)** | 0.88 (0.56–1.38) | 1.36 (0.87–2.12) |
| Low (0.5 to <7) | 35.2 | 0.75 (0.50–1.11)** | 0.66 (0.46–0.97) | 1.04 (0.71–1.51) |
| Moderate (≥7 to <16.5) | 23.3 | 0.81 (0.53–1.23) | 0.84 (0.57–1.25) | 1.07 (0.72–1.60) |
| High (≥16.5) | 20.3 | Ref | Ref | Ref |
| Hours/day Sittingb | ||||
| 10 or more | 17.3 | 1.28 (0.68–2.41) | 0.80 (0.45–1.43) | 0.91 (0.52–1.59) |
| 6–9 | 37.6 | 1.24 (0.77–2.00) | 0.79 (0.51–1.21) | 0.81 (0.53–1.23) |
| 5 or less | 45.1 | Ref | Ref | Ref |
| Latina/Hispanic | ||||
| Total physical activity (MET-hours/week) | * | * | ||
| None (0) | 16.6 | 2.68 (1.15–6.24) | 2.02 (0.89–4.60) | 3.22 (1.43–7.25) |
| Low (0.5 to <7) | 32.0 | 1.23 (0.65–2.32) | 1.23 (0.68–2.22) | 1.46 (0.80–2.67) |
| Moderate (≥7 to <16.5) | 27.4 | 1.20 (0.63–2.28) | 1.22 (0.67–2.20) | 1.08 (0.58–2.00) |
| High (≥16.5) | 23.9 | Ref | Ref | Ref |
| Hours/day Sittingb | ||||
| 10 or more | 12.3 | 0.56 (0.19–1.62) | 0.54 (0.20–1.47) | 0.58 (0.22–1.52) |
| 6–9 | 37.8 | 0.63 (0.30–1.31) | 0.91 (0.47–1.75) | 0.70 (0.36–1.36) |
| 5 or less | 49.9 | Ref | Ref | Ref |
| Asian/Pacific Islander | ||||
| Total physical activity (MET-hours/wk) | * | |||
| None (0) | 12.2 | 2.87 (1.33–6.20) | 1.67 (0.81–3.45) | 2.05 (0.96–4.38) |
| Low (0.5 to <7) | 31.0 | 1.01 (0.58–1.76) | 0.90 (0.56–1.46) | 1.05 (0.63–1.77) |
| Moderate (≥7 to <16.5) | 26.2 | 0.72 (0.40–1.28) | 0.83 (0.51–1.35) | 0.67 (0.39–1.16) |
| High (≥16.5) | 30.6 | Ref | Ref | Ref |
| Hours/day Sittingb | ||||
| 10 or more | 21.0 | 0.85 (0.38–1.90) | 1.07 (0.55–2.06) | 1.29 (0.65–2.55) |
| 6–9 | 42.5 | 1.53 (0.82–2.85) | 1.07 (0.62–1.83) | 1.06 (0.60–1.88) |
| 5 or less | 36.6 | Ref | Ref | Ref |
Note: CI = Confidence interval; MET = Metabolic equivalents; OR = Odds ratio.
aAdjusted for WHI study participation type, and baseline age, hormone therapy use, education, marital status, body mass index, smoking status, alcohol use, self-rated health, and depression. bObservational Study only and included adjustment of continuous MET-hours/week from total physical activity.
*p-trend ≤ .05. **p-interaction ≤ .05 relative to White.