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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    0.178
 Men 106 (34.9%) 123 (40.5%)  
 Women 198 (65.1%) 181 (59.5%)  
Race    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    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