Table 1.
Characteristics of participants with and without slowness in men and women.
| Men (N=13,652) | Women (N=5,115) | |||||
|---|---|---|---|---|---|---|
| Characteristic | < 0.8 m/s (N= 1251) | ≥ 0.8 m/s (N= 12401) | P value | < 0.8 m/s (N= 1445) | >0.80 m/sec (N= 3670) | P value |
| Age, yrs | 78.06 ± 6.08 | 74.25 ± 5.19 | <0.001 | 77.05 ± 5.8 | 74.85 ± 5.45 | <0.001 |
| Height, m | 1.68 ± 0.08 | 1.72 ± 0.08 | <0.001 | 1.55 ± 0.07 | 1.55 ± 0.07 | 0.6351 |
| Total body weight, kg | 76.03 ± 15.11 | 78.98 ± 14.12 | <0.001 | 66.95 ± 16.73 | 62.38 ± 13.41 | <0.001 |
| Body mass index, kg/m2 | 26.9 ± 4.45 | 26.56 ± 3.85 | 0.0097 | 27.68 ± 5.95 | 25.72 ± 4.66 | <0.001 |
| Body surface area, m2 | 1.85 ± 0.2 | 1.92 ± 0.19 | <0.001 | 1.65 ± 0.21 | 1.61 ± 0.18 | <0.001 |
| Total fat mass, kg | 21.71 ± 8.28 | 21.05 ± 7.31 | 0.0067 | 26.39 ± 11.05 | 23.41 ± 8.57 | <0.001 |
| Total percent fat mass, % | 28.22 ± 6.52 | 26.46 ± 5.75 | <0.001 | 38.38 ± 7.93 | 36.82 ± 6.72 | <0.001 |
| Appendicular lean mass, kg | 21.88 ± 3.95 | 23.55 ± 3.58 | <0.001 | 16.34 ± 3.71 | 15.63 ± 2.85 | <0.001 |
| Arm lean mass, kg | 5.84 ± 1.36 | 6.27 ± 1.12 | <0.001 | 4.12 ± 1.13 | 3.87 ± 0.83 | <0.001 |
| Appendicular lean mass/height2, kg/m2 | 7.72 ± 1.14 | 7.91 ± 0.92 | <0.001 | 6.74 ± 1.29 | 6.45 ± 0.98 | <0.001 |
| Grip strength, kg | 32.94 ± 8.34 | 40.38 ± 8.52 | <0.001 | 20.97 ± 5.57 | 22.63 ± 5.26 | <0.001 |
| Grip strength/BMI, kg/kg/m2 | 1.25 ± 0.33 | 1.54 ± 0.35 | <0.001 | 0.78 ± 0.23 | 0.9 ± 0.24 | <0.001 |
| Usual paced walk speed, m/s | 0.68 ± 0.11 | 1.21 ± 0.22 | <0.001 | 0.64 ± 0.13 | 1.03 ± 0.15 | <0.001 |
| Race, n (%) | ||||||
| White | 881 (70.42) | 9814 (79.14) | <0.001 | 554 (38.34) | 1389 (37.85) | <0.001 |
| Black | 130 (10.39) | 446 (3.6) | <0.001 | 476 (32.94) | 691 (18.83) | <0.001 |
| Asian | 234 (18.71) | 1951 (15.73) | <0.001 | 414 (28.65) | 1588 (43.27) | <0.001 |
| Other | 6 (0.48) | 190 (1.53) | <0.001 | 1 (0.07) | 2 (0.05) | <0.001 |
| Leg lean mass, kg | 16.04 ± 2.77 | 17.28 ± 2.6 | <0.001 | 12.22 ± 2.72 | 11.76 ± 2.12 | <0.001 |
| Appendicular fat mass, kg | 8.67 ± 3.57 | 8.16 ± 3.08 | <0.001 | 13.34 ± 6.21 | 11.47 ± 4.78 | <0.001 |
| Grip strength/weight, kg/kg | 0.44 ± 0.11 | 0.52 ± 0.11 | <0.001 | 0.33 ± 0.1 | 0.37 ± 0.1 | <0.001 |
Values are pooled means ± SD, unless otherwise noted, from cohorts listed in supplementary table S2. Variable units are presented without cancellation for clarity.