Variable | Total sample | Low-risk (n = 416) | High-risk (n = 249) | t | p-value | ||
---|---|---|---|---|---|---|---|
n, %, or M (±SD) | n, %; or M (±SD) | n, %; or M (±SD) | |||||
Age | 73.6 (±6.4) | 72.8 | (6.11) | 74.9 | (6.70) | −4.28 | < 0.001 |
Gender | n = 524 | 1.78 | (0.41) | 1.80 | (0.40) | −0.35 | 0.73 |
Older men | n = 141, 21.2% | n = 90 | 63.8% | n = 51 | 36.2% | ||
Older women | n = 524, 78.8% | n = 326 | 62.2% | n = 198 | 37.8% | ||
BMI (kg/ m2) | 23.8 (±3.7) | 23.65 | (3.59) | 24.11 | (3.92) | −1.55 | 0.12 |
Underweight | n = 45; 6.8% | n = 29; 7.0% | n = 16; 6.4% | 0.19 | |||
Normal | n = 316; 47.5% | n = 205; 49.3% | n = 111; 44.6% | ||||
Overweight | n = 172; 25.9% | n = 110; 26.4% | n = 62; 24.9% | ||||
Obese | n = 132; 19.8% | n = 72; 17.3% | n = 60; 24.1% | ||||
Sit-to-stand (times) | 18.68 (5.58) | 19.66 | (5.33) | 17.04 | (5.61) | 6.01 | < 0.001 |
Arm curl (times) | 17.29 (4.41) | 17.94 | (4.35) | 16.22 | (4.30) | 4.95 | < 0.001 |
Single-leg stance (sec) | 18.27 (11.04) | 19.98 | (10.72) | 15.42 | (10.98) | 5.26 | < 0.001 |
8-ft up-and-go (sec) | 6.41 (1.91) | 5.97 | (1.45) | 7.14 | (2.32) | −8.02 | < 0.001 |
Back scratch (cm) | −2.46 (12.09) | −2.08 | (12.02) | −3.08 | (12.20) | 1.03 | 0.3 |
Chair sit-and-reach (cm) | 4.60 (11.56) | 5.88 | (10.64) | 2.48 | (12.68) | 3.70 | < 0.001 |
2-min step (times) | 95.07 (21.03) | 98.18 | (18.46) | 89.89 | (23.88) | 5.01 | < 0.001 |
Hand Grip Strength (kg) | 24.35 (6.86) | 25.44 | (7.19) | 22.51 | (5.84) | 5.44 | < 0.001 |