Table 1 Participant characteristics
From: Bone shape mediates the relationship between sex and incident knee osteoarthritis
Characteristics | Case knees (N = 304) | Control knees (N = 304) | p-value |
|---|---|---|---|
Baseline age, mean (SD) | 60.2 (8.6) | 60.2 (8.5) | 0.798 |
Baseline BMI, mean (SD) | 29.4 (4.9) | 27.0 (4.7) | <.0001 |
Sex | Â | Â | 0.178 |
 Men | 106 (34.9%) | 123 (40.5%) |  |
 Women | 198 (65.1%) | 181 (59.5%) |  |
Race | Â | Â | 0.639 |
 Whites or Caucasian | 241 (79.3%) | 247 (81.3%) |  |
 Black or African American | 53 (17.4%) | 52 (17.1%) |  |
 Asian | 6 (2.0%) | 2 (0.7%) |  |
 Other | 4 (1.3%) | 3 (1.0%) |  |
Education | Â | Â | 0.984 |
 High school or less | 33 (11.1%) | 36 (11.9%) |  |
 College | 140 (47.1%) | 138 (45.7%) |  |
 Above college | 124 (41.8%) | 128 (42.4%) |  |
Baseline KL grade | |||
 1 | 162 (53.3%) | 45 (14.8%) | <.0001 |