Table 1.
Baseline Characteristics by Study for Men
| MrOS | InChianti | RCT | BPRHS | RBS | FHS Orig | FHS Off | AGES | HABC | Total | |
|---|---|---|---|---|---|---|---|---|---|---|
| N = 5,993 | N = 365 | N = 184 | N = 63 | N = 477 | N = 151 | N = 558 | N = 2,438 | N = 1,198 | N = 11,427 | |
| Age, y | 73.7±5.9 | 76.1±6.7 | 77.4±5.9 | 70.0±3.6 | 77.0±6.8 | 85.0±3.5 | 71.1±4.6 | 77.0±5.7 | 78.6±2.9 | 75.2±6.1 |
| Weight, kg | 83.2±13.3 | 73.1±11.3 | 79.5±13.6 | 84.3±17.9 | 77.9±11.7 | 75.9±11.7 | 82.6±16.0 | 82.6±13.4 | 80.3±13.4 | 82.1±13.5 |
| Height, m | 1.7±0.1 | 1.7±0.1 | 1.7±0.1 | 1.7±0.1 | 1.7±0.1 | 1.7±0.1 | 1.7±0.1 | 1.8±0.1 | 1.7±0.1 | 1.7±0.1 |
| White race, % | 89.8 | 100 | 98.4 | N/A | 100 | 100 | 100 | 100 | 66.1 | 90.5 |
| BMI, kg/m2 | 27.4±3.8 | 26.0±3.2 | 26.6±3.8 | 31.0±6.0 | 25.9±3.4 | 26.6±3.4 | 27.6±5.0 | 26.8±3.8 | 27.1±4.1 | 27.1±3.9 |
| BMI < 25, % | 27.4 | 36.8 | 35.3 | 11.8 | 45.1 | 32.5 | 25.3 | 32.8 | 29.8 | 29.9 |
| BMI 25 to <30, % | 51.2 | 53.2 | 46.7 | 38.2 | 45.5 | 51.0 | 47.5 | 48.5 | 49.5 | 50.0 |
| BMI ≥ 30, % | 21.4 | 10.0 | 17.9 | 50.0 | 9.5 | 16.6 | 27.3 | 18.8 | 20.7 | 20.2 |
| Walking speed, m/s | 1.3±0.2 | 1.1±0.3 | 1.0±0.2 | 0.7±0.2 | — | 0.8±0.2 | 1.1±0.2 | 1.0±0.2 | 1.1±0.3 | 1.2±0.3 |
| Walking speed ≤ 1.0 m/s, % | 14.4 | 35.6 | 45.1 | 96.6 | — | 83.3 | 48.8 | 56.2 | 27.2 | 28.7 |
| Walking speed ≤ 0.8 m/s, % | 3.7 | 13.5 | 19.8 | 78.0 | — | 45.5 | 12.1 | 20.3 | 8.5 | 9.7 |
| Walking speed ≤ 0.6 m/s, % | 0.8 | 5.9 | 6.2 | 25.4 | — | 8.3 | 0.3 | 4.6 | 2.0 | 2.2 |
| Grip strength, kg | 41.6±8.5 | 39.8±10.3 | 27.6±8.2 | 30.9±8.0 | 33.9±7.7 | 28.8±7.4 | 37.2±9.2 | 39.1±9.5 | 37.0±8.5 | 39.7±9.2 |
| Unable to rise from a chair, % | 2.7 | 14.6 | 3.2 | 6.8 | 0.8 | 19.9 | 7.0 | — | 12.0 | 5.1 |
| Five chair stand time, s | 11.1±3.3 | 11.3±3.5 | 13.8±5.3 | 12.0±3.2 | — | 16.5±5.2 | 12.4±3.2 | — | 14.6±4.2 | 11.7±3.7 |
| ALM, kg | 24.3±3.5 | 22.7±3.0 | 22.8±3.3 | 21.8±3.5 | 21.6±3.1 | — | 23.1±3.2 | 24.8±3.4 | 23.0±3.4 | 24.0±3.5 |
| ALM/ht2, kg/ht2 | 8.0±0.9 | 8.1±0.8 | 7.6±1.0 | 8.0±1.1 | 7.2±0.8 | — | 7.7±0.9 | 8.0±0.9 | 7.8±1.0 | 7.9±1.0 |
| LLM, kg | 17.8±2.5 | — | 16.5±2.4 | 15.5±2.7 | 16.0±2.3 | — | 16.5±2.2 | — | 16.6±2.5 | 17.4±2.6 |
| Diabetes, % | 10.9 | 15.9 | 10.6 | 46.8 | 8.7 | 21.0 | 18.7 | 16.8 | 22.8 | 12.2 |
| CHF, % | 5.3 | 13.4 | 37.4 | 12.7 | 4.8 | 10.6 | 2.9 | 6.4 | — | 6.4 |
| COPD, % | 10.7 | — | 4.5 | 30.2 | — | — | — | 3.2 | — | 8.6 |
| Cancer, % | 29.1 | 9.3 | 8.9 | 4.8 | 17.2 | — | — | 16.0 | 1.0 | 21.8 |
Notes: 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; MrOS = Osteoporotic Fractures in Men Study; RBS = Rancho Bernardo Study; RCT = Clinical Trials. Data are presented as mean ± SD.