Item | n tot | Cases (n) | Controls (n) | Pvalue | Odds ratio | 95% confidence interval | |
---|---|---|---|---|---|---|---|
Knee OA in relatives | No (R) | 367 | 170 | 197 | 1.00 | - | |
Yes | 109 | 76 | 33 | <0.01 | 2.37 | 1.41 to 3.98 | |
Body mass index | 18.5 to <25 kg/m2 (R) | 157 | 48 | 109 | 1.00 | - | |
≥25 to <30 kg/m2 | 240 | 133 | 107 | <0.001 | 2.26 | 1.43 to 3.57 | |
≥30 to <35 kg/m2 | 128 | 84 | 44 | <0.001 | 4.00 | 2.30 to 6.94 | |
≥35 kg/m2 | 40 | 35 | 5 | <0.001 | 12.56 | 4.40 to 36.86 | |
Occupation: kneeling or squatting | No (R) | 272 | 128 | 144 | 1.00 | - | |
Yes, <3,574 hours/life | 94 | 48 | 46 | NS | 1.70 | 0.96 to 3.00 | |
Yes, 3,574 to 12,244 hours/life | 94 | 55 | 39 | <0.01 | 2.16 | 1.24 to 3.77 | |
Yes, >12,244 hours/life | 94 | 61 | 33 | <0.01 | 2.47 | 1.41 to 4.32 | |
Sports with risk for unapparent trauma | No (R) | 218 | 109 | 109 | 1.00 | - | |
Yes, <3,232 hours/life | 168 | 82 | 86 | NS | 1.57 | 0.98 to 2.52 | |
Yes, ≥3,232 hours/life | 168 | 104 | 64 | <0.01 | 2.58 | 1.59 to 4.17 |