Table 1.
Weighted characteristics of the analyzed sample (N = 2768)
| Variable | Mean/proportion (SE) | ||||
|---|---|---|---|---|---|
| <2 h/day of sedentary (n = 653) | 2–4 h/day of sedentary (n = 1711) | 5+ h/day of sedentary (n = 404) | Below median strength (≤263 N) | Above median strength (>263 N) | |
| Age, mean years | 60.5 (0.3) | 62.9 (0.2) | 64.2 (0.6) | 66.2 (0.4) | 59.5 (0.2) |
| % Female | 50.7 | 53.4 | 52.5 | 75.6 | 33.7 |
| Race-ethnicity, % | |||||
| Mexican American | 4.6 | 3.0 | 2.3 | 3.4 | 3.2 |
| Other Hispanic | 6.3 | 5.3 | 2.1 | 6.1 | 4.3 |
| Non-Hispanic White | 78.9 | 82.6 | 80.3 | 79.5 | 82.9 |
| Non-Hispanic Black | 6.2 | 6.5 | 12.1 | 7.4 | 7.1 |
| Other | 3.9 | 2.6 | 3.2 | 3.6 | 2.4 |
| Body mass index, mean kg/m2 | 27.2 (0.2) | 28.3 (0.1) | 28.8 (0.3) | 27.3 (0.2) | 28.8 (0.2) |
| MVPA MET-min-month, mean | 5491.3 (723.8) | 3829.4 (292.8) | 2876.4 (450.2) | 2881.9 (431.0) | 5119.0 (371.5) |
| Total cholesterol, mean mg/dL | 216.4 (1.6) | 215.9 (1.1) | 212.4 (2.6) | 217.5 (1.2) | 213.8 (1.3) |
| Mean arterial pressure, mmHg | 93.6 (0.8) | 92.9 (0.4) | 92.2 (0.7) | 92.2 (0.6) | 93.6 (0.3) |
| Diabetes, % | 8.2 | 9.8 | 13.6 | 11.8 | 8.4 |
| Arthritis, % | 31.9 | 38.3 | 44.7 | 45.0 | 31.5 |
| Coronary artery disease, % | 6.2 | 5.9 | 11.7 | 6.9 | 6.6 |
| Stroke, % | 0.6 | 0.4 | 1.4 | 0.8 | 0.4 |
| Ambulatory device, % | 4.5 | 5.6 | 9.4 | 8.5 | 3.6 |
| Statin medication, % | 14.2 | 17.3 | 17.4 | 16.3 | 16.7 |
| Smoking status, % | |||||
| Current smoker | 12.9 | 15.6 | 24.0 | 15.3 | 16.8 |
| Former smoker | 36.9 | 39.7 | 37.8 | 32.5 | 43.9 |
| Never smoked | 50.2 | 44.7 | 38.2 | 52.2 | 39.3 |
| Deaths at follow-up, % | 18.2 | 19.1 | 31.5 | 29.4 | 13.2 |
| Person-months of follow-up | 76,851 | 201,289 | 43,856 | 168,276 | 153,720 |
| Strength, mean N | 295.8 (4.1) | 287.6 (3.9) | 265.9 (4.8) | 200.2 (1.5) | 358.1 (2.7) |
| Sedentary, h/day | 0.5 (0.01) | 2.7 (0.02) | 5 | 2.6 (0.1) | 2.4 (0.1) |
MVPA moderate-to-vigorous physical activity, MET metabolic equivalent of task