Table 4.
Frequency of Poor Outcome in the Overall Sample and in Strata Based on Race, Gender, BMI, and Waist Circumference
| Poor WOMAC outcome | Poor 20 meter walk outcome | Poor chair stand outcome | |
|---|---|---|---|
| Overall sample | 1446/3695 (39.1%) | 1556/3286 (47.4%) | 1339/3338 (40.1%) |
| AA women with low BMI | 15/43 (34.9%) | 21/34 (61.8%) | 12/35 (34.3%) |
| C women with low BMI | 181/569 (31.8%) | 190/493 (38.5%) | 164/503 (32.6%) |
| AA women with high BMI | 206/382 (53.9%) | 206/327 (63.0%) | 185/332 (55.7%) |
| C women with high BMI | 461/1149 (40.1%) | 571/1022 (55.9%) | 439/1036 (42.4%) |
| AA women with small waist circumference | 18/42 (42.9%) | 18/33 (54.6%) | 7/34 (20.6%) |
| C women with small waist circumference | 81/279 (29.0%) | 78/244 (32.0%) | 58/247 (23.5%) |
| AA women with large waist circumference | 203/383 (53.0%) | 209/328 (63.7%) | 190/333 (57.1%) |
| C women with large waist circumference | 561/1439 (39.0%) | 683/1271 (53.7%) | 545/1292 (42.2%) |
| AA men with low BMI | 4/11 (36.4%) | 3/10 (30.0%) | 3/10 (30.0%) |
| C men with low BMI | 74/253 (29.3%) | 75/228 (32.9%) | 62/237 (26.2%) |
| AA men with high BMI | 77/159 (48.4%) | 86/154 (55.8%) | 77/155 (49.7%) |
| C men with high BMI | 428/1129 (37.9%) | 404/1018 (39.7%) | 397/1030 (38.5%) |
| AA men with small waist circumference | 30/81 (37.0%) | 36/76 (47.4%) | 37/77 (48.1%) |
| C men with small waist circumference | 197/656 (30.0%) | 191/599 (31.9%) | 172/610 (28.2%) |
| AA men with large waist circumference | 51/89 (57.3%) | 53/88 (60.2%) | 43/88 (48.9%) |
| C men with large waist circumference | 305/726 (42.0%) | 288/647 (44.5%) | 287/657 (43.7%) |
Abbreviations: AA, African-American; C, Caucasian
Percent given is the % of individuals of that row who had poor outcome. High and low BMI were defined as ≥ 25 kg/m2 and < 25 kg/m2 respectively. High and low waist circumference were defined as > 88 cm and ≤ 88 cm for women and > 102 cm and ≤ 102 cm for men.