From: Vitamin D receptor gene polymorphisms and susceptibility of hand osteoarthritis in Finnish women
OA category | n (%) | Age [mean ± SD] (years)* | Body mass index [mean ± SD] (kg/m2) | Daily calcium intake [mean ± SD] (mg) | Occupation† | Hormone therapy‡ | Smoking status | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dentists (n) | Teachers (n) | Ever used (n) | Never used (n) | Ever smoked (n) | Never smoked (n) | ||||||
Overall | No | 383 (71%) | 53.0 ± 5.2 | 24.3 ± 3.5 | 663.2 ± 356.3 | 223 | 160 | 187 | 196 | 88 | 297 |
Yes | 160 (29%) | 56.3 ± 4.7 | 25.0 ± 3.8 | 707.7 ± 403.8 | 72 (24%) | 88 (35%) | 103 (35%) | 57 (22%) | 33 (28%) | 127 (30%) | |
Symmetrical | No | 431 (79%) | 53.3 ± 5.2 | 24.3 ± 3.5 | 673.4 ± 363.2 | 245 | 186 | 216 | 215 | 99 | 332 |
Yes | 110 (21%) | 56.5 ± 4.6 | 25.1 ± 3.8 | 688.1 ± 403.8 | 48 (16%) | 62 (25%) | 72 (25%) | 38 (15%) | 20 (17%) | 90 (21%) | |
Osteophyte | No | 504 (93%) | 53.6 ± 5.2 | 24.4 ± 3.6 | 669.4 ± 371.0 | 272 | 232 | 264 | 240 | 113 | 391 |
Yes | 39 (7%) | 57.9 ± 4.1 | 25.2 ± 3.5 | 765.3 ± 365.2 | 23 (8%) | 16 (6%) | 26 (9%) | 13 (5%) | 6 (5%) | 33 (8%) |