Table 3 Prevalencea of OA and mobility limitations stratified by age and sex
From: Osteoarthritis prevalence and modifiable factors: a population study
| Â | Males | Females | ||||||
|---|---|---|---|---|---|---|---|---|
|  | 18-44 years | 45-64 years | >65 years | χ2- value; p-value | 18-44 years | 45-64 years | >65 years | χ2- value; p-value |
Osteoarthritis - phone survey (n = 4733) | ||||||||
 Knee OA (yes) | 0.8 | 2.8 | 2.7 | 136.452; p <0.001 | 0.9 | 3.6 | 4.4 | 188.940; p <0.001 |
 Hip OA (yes) | 0.7 | 1.6 | 2.1 | 104.127; p <0.001 | 0.3 | 2.8 | 4.5 | 238.793; p <0.001 |
Osteoarthritis – clinic survey (n = 1808) | ||||||||
 Knee pain (yes) | 8.2 | 7.7 | 3.1 | 4.609; p = 0.1 | 5.4 | 9.0 | 6.1 | 38.217; p <0.001 |
 Knee pain climbing stairs/walking down slope (yes) | 7.7 | 11.9 | 4.4 | 38.793; p <0.001 | 8.5 | 12.5 | 8.0 | 42.096; p <0.001 |
 Knee OA? (yes) | 1.3 | 2.6 | 2.5 | 35.710: p <0.001 | 0.6 | 4.8 | 4.8 | 80.594; p <0.001 |
 Knee/s swelling (yes) | 5.7 | 3.2 | 1.9 | 1.823; p = 0.402 | 3.3 | 5.1 | 2.8 | 13.406; p <0.001 |
 Knee OA diagnosed? (yes) | 2.3 | 4.8 | 3.6 | 31.149; p <0.001 | 0.8 | 7.5 | 7.7 | 78.988; p <0.001 |
 Hip pain (yes) | 2.6 | 5.9 | 4.0 | 54.460; p <0.001 | 4.1 | 9.3 | 7.4 | 71.951; p <0.001 |
 Hip pain climbing stairs/walking down slope (yes) | 2.2 | 6.1 | 3.7 | 57.617; p <0.001 | 3.3 | 8.3 | 6.2 | 63.296; p <0.001 |
 Hip range of motion limited (yes) | 1.5 | 4.4 | 2.2 | 32.670; p <0.001 | 2.7 | 8.0 | 4.9 | 55.798; p <0.001 |
 Hip OA? (yes) | 1.0 | 1.2 | 1.7 | 25.371; p <0.001 | 0.5 | 3.3 | 5.3 | 97.776; p <0.001 |
 Hip OA diagnosed? (yes) | 2.1 | 2.7 | 2.7 | 19.970; p <0.001 | 0.6 | 5.2 | 9.1 | 98.757; p <0.001 |