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Table 2 Characteristics of the sample by radiographic multiple joint osteoarthritis (MJOA) definition (N = 1677)

From: Joint hypermobility is not positively associated with prevalent multiple joint osteoarthritis: a cross-sectional study of older adults

  MJOA-1 MJOA-2 MJOA-3 MJOA-4
No Yes No Yes No Yes No Yes
Age (Mean, SD) years 66.8 (8.7) 71.6 (8.9)* 67.0 (8.7) 74.3 (8.2)* 65.4 (8.1) 73.2 (8.4)* 66.2 (8.6) 71.1 (8.9)*
Body Mass Index (Mean, SD) kg/m2 31.5 (7.6) 31.5 (6.5) 31.5 (7.2) 31.1 (6.9) 32.0 (7.5) 30.7 (6.7)* 31.2 (7.7) 31.8 (6.6)
Women, N (%) 665 (64.6) 468 (72.2)* 852 (65.0) 278 (76.6)* 623 (63.2) 510 (73.7)* 564 (66.4) 569 (68.8)
African American, N (%) 346 (33.6) 177 (27.3)* 450 (34.4) 72 (19.8)* 396 (40.2) 127 (18.4)* 264 (31.1) 259 (31.3)
Beighton score > 4, N (%) 55 (5.3) 10 (1.5)* 49 (3.7) 16 (4.4) 38 (3.9) 27 (3.9) 34 (4.0) 31 (3.7)
Beighton score > 3, N (%) 115 (11.2) 35 (5.4)* 123 (9.4) 26 (7.2) 97 (9.8) 53 (7.7) 90 (10.6) 60 (7.3)*
  1. *statistically significant difference between the MJOA and no MJOA groups (p < .05)