Table 2.
Baseline Characteristics by Study for Women
| SOF Whites | SOF AA | InChianti | RCT | BPRHS | RBS | FHS Orig | FHS Off | AGES | HABC | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| N = 7,008 | N = 662 | N = 471 | N = 467 | N = 186 | N = 761 | N = 318 | N = 617 | N = 3,326 | N = 1,382 | N = 15,198 | |
| Age, y | 80.9±4.7 | 75.4±5.1 | 77.3±7.3 | 74.5±5.8 | 69.2±3.2 | 77.3±6.9 | 85.7±4.0 | 70.9±4.4 | 77.0±6.0 | 78.4±2.9 | 78.6±5.9 |
| Weight, kg | 65.5±12.9 | 76.2±16.4 | 64.6±11.5 | 67.9±13.1 | 74.7±16.4 | 61.8±11.0 | 61.8±12.8 | 68.4±15.6 | 70.1±13.3 | 68.9±14.7 | 67.5±13.8 |
| Height, m | 1.6±0.1 | 1.6±0.1 | 1.6±0.1 | 1.6±0.1 | 1.5±0.1 | 1.6±0.1 | 1.5±0.1 | 1.6±0.1 | 1.6±0.1 | 1.6±0.1 | 1.6±0.1 |
| White race, % | 100 | 0 | 100 | 83.9 | N/A | 100 | 100 | 100 | 100 | 55.7 | 89.9 |
| BMI, kg/m2 | 26.5±4.8 | 30.3±6.3 | 26.9±4.4 | 27.1±5.2 | 32.2±6.8 | 24.5±3.9 | 26.2±4.9 | 27.1±5.9 | 27.2±4.9 | 27.4±5.6 | 26.9±5.2 |
| BMI < 25, % | 42.4 | 20.3 | 36.8 | 40.1 | 10.4 | 60.9 | 43.4 | 38.5 | 34.5 | 36.6 | 39.2 |
| BMI 25 to <30, % | 36.2 | 32.6 | 41.2 | 34.6 | 33.9 | 30.7 | 37.4 | 34.9 | 40.6 | 34.6 | 36.7 |
| BMI ≥ 30, % | 21.4 | 47.1 | 21.5 | 25.3 | 55.7 | 8.4 | 19.2 | 26.6 | 24.9 | 28.8 | 24.1 |
| Walking speed, m/s | 0.9±0.2 | 0.8±0.2 | 0.9±0.3 | 1.0±0.2 | 0.7±0.2 | — | 0.7±0.21 | 1.1±0.2 | 0.9±0.2 | 1.0±0.3 | 0.9±0.2 |
| Walking speed ≤ 1.0 m/s, % | 70.1 | 80.3 | 60.9 | 39.8 | 83.9 | — | 91.5 | 58.5 | 68.1 | 44.2 | 66.5 |
| Walking speed ≤ 0.8 m/s, % | 33.6 | 41.6 | 30.4 | 12.3 | 82.1 | — | 63.0 | 14.2 | 29.0 | 17.9 | 31.0 |
| Walking speed ≤ 0.6 m/s, % | 12.6 | 13.9 | 12.7 | 2.4 | 38.5 | — | 28.1 | 0.8 | 7.6 | 5.2 | 10.5 |
| Grip strength, kg | 18.6±4.5 | 21.9±5.3 | 23.7±6.5 | 18.2±6.1 | 18.5±5.2 | 18.3±5.0 | 15.8±4.9 | 20.5±6.8 | 23.6±5.9 | 22.9±6.0 | 20.5±5.8 |
| Unable to rise from a chair, % | 7.8 | 4.5 | 18.2 | — | 8.9 | 0.5 | 36.1 | 6.6 | — | 15.8 | 9.8 |
| Five chair stand time, s | 13.6±5.5 | 15.5±6.8 | 13.1±4.5 | 13.8±4.5 | 13.0±4.0 | — | 17.4±6.4 | 12.8±3.5 | — | 15.4±4.6 | 13.9±5.4 |
| ALM, kg | 16.1±2.3 | 19.0±3.3 | — | 15.7±2.3 | 14.9±2.4 | 14.0±2.0 | — | 15.1±2.3 | 16.7±2.6 | 16.0±3.0 | 16.2±2.9 |
| ALM/ht2, kg/ht2 | 6.4±0.8 | 7.5±1.2 | — | 6.3±0.9 | 6.4±0.9 | 5.5±0.7 | — | 6.0±0.8 | 6.4±0.9 | 6.4±1.1 | 6.4±1.0 |
| LLM, kg | 12.1±1.8 | 14.1±2.5 | — | 11.7±1.7 | 10.8±1.9 | 10.7±1.6 | — | 11.1±1.5 | — | 12.0±2.3 | 11.9±2.2 |
| Diabetes, % | 5.7 | 17.2 | 13.6 | 8.4 | 51.6 | 5.8 | 11.7 | 12.5 | 10.2 | 1.1 | 8.3 |
| CHF, % | 4.3 | 10.7 | 14.4 | 5.9 | 15.7 | 2.6 | 9.4 | 0.8 | 3.9 | — | 5.0 |
| COPD, % | 8.7 | 14.2 | — | 5.7 | 42.2 | — | — | — | 3.9 | — | 8.0 |
| Cancer, % | — | 10.7 | 11.5 | 11.6 | 10.8 | 17.8 | — | — | 15.1 | 1.1 | 12.2 |
Notes: AA = African American; AGES = Age, Gene/Environment Susceptibility-Reykjavik Study; ALM = appendicular lean mass; ALM/ht2 = ratio of appendicular lean mass over height2; BMI = body mass index; BPRHS = Boston Puerto Rican Health Study; CHF = congestive heart failure; COPD = chronic obstructive pulmonary disease; FHS = Framingham Heart Study; HABC = Health, Aging, and Body Composition Study; InChianti = Invecchiare in Chianti; LLM = leg lean mass; RBS = Rancho Bernardo Study; RCT = Clinical Trials; SOF = Study of Osteoporotic Fractures. Data are presented as mean ± SD.