Table 2 Relationship between the “Osteoarthritis” outcome and the independent variables
Osteoarthritis | Non-adjusted | Adjusted | ||||
|---|---|---|---|---|---|---|
Yes | No | p-value | PR (95%CI) | p-value | PR (95%CI) | |
n (%) | n (%) | |||||
Sex | ||||||
Male | 25,007 (96.5) | 913 (3.5) | 1 | 1 | ||
Female | 31,219 (91.1) | 3063 (8.9) | < 0.001 | 2.54 (2.36–2.73) | < 0.001 | 2.09 (1.95–2.25) |
Age | ||||||
18 to 34 years | 21,398 (98.4) | 3488 (1.6) | 1 | 1 | ||
35 to 59 years | 25,531 (93.6) | 1748 (6.4) | < 0.001 | 4.00 (3.57–4.47) | < 0.001 | 2.88 (2.57–3.24) |
60 or older | 9297 (83.2) | 1880 (16.8) | < 0.001 | 10.51 (9.40–11.76) | < 0.001 | 6.39 (5.68–7.19) |
BMI | ||||||
Low weight | 1422 (95.8) | 62 (4.2) | 1 | |||
Normal weight | 22,245 (95.1) | 1134 (4.9) | 0.244 | 1.17 (0.90–1.49) | 0.006 | 1.42 (1.10–1.82) |
Overweight | 19,851 (93.2) | 1454 (6.8) | < 0.001 | 1.64 (1.27–2.13) | < 0.001 | 1.61 (1.25–2.07) |
Obese | 11,366 (89.8) | 1285 (10.2) | < 0.001 | 2.44 (1.89–3.17) | < 0.001 | 1.92 (1.50–2.47) |
Unable to perform habitual activities | ||||||
No | 51,884 (94.4) | 3051 (5.6) | 1 | 1 | ||
Yes | 4342 (82.4) | 925 (17.6) | < 0.001 | 3.16 (2.95–3.38) | < 0.001 | 1.61 (1.50–1.73) |
Self-perception of health | ||||||
Very good | 7279 (97.9) | 154 (2.1) | 1 | 1 | ||
Good | 30,632 (96.6) | 1076 (3.4) | < 0.001 | 1.64 (1.39–1.94) | < 0.001 | 1.41 (1.20–1.66) |
Regular | 15,259 (88.7) | 1938 (11.3) | < 0.001 | 5.44 (4.63–6.39) | < 0.001 | 2.30 (2.54–3.52) |
Bad | 2475 (79.9) | 624 (20.1) | < 0.001 | 9.72 (8.19–11.53) | < 0.001 | 3.96 (3.31–4.72) |
Very bad | 581 (75.9) | 184 (24.1) | < 0.001 | 11.61 (9.50–14.19) | < 0.001 | 3.99 (3.24–4.90) |
Practice physical activity | ||||||
Yes | 16,964 (94.8) | 932 (5.2) | 1 | 1 | ||
No | 39,262 (92.8) | 3044 (7.2) | < 0.001 | 1.38 (1.29–1.48) | 0.032 | 0.93 (0.86–0.99) |
Diagnosis of depression | ||||||
No | 57,782 (94.3) | 3185 (5.7) | 1 | 1 | ||
Yes | 3444 (81.3) | 791 (18.7) | < 0.001 | 3.28 (3.06–3.52) | < 0.001 | 1.77 (1.64–1.90) |