From: Disability due to knee pain and somatising tendency in Japanese adults
 | SSS8 ≥ 12 | SSS8 ≥ 16 | ||||
---|---|---|---|---|---|---|
OR [95% CI]a | p-value | Type 3 p-value | OR [95% CI]a | p-value | Type 3 p-value | |
Disability due to pain |  |  | < 0.001 |  |  | < 0.001 |
 Knee pain without difficulty in ADL | 1 |  |  | 1 |  |  |
 Knee pain with difficulty but without sick leave | 2.36 [2.10, 2.66] | < 0.001 |  | 2.80 [2.42, 3.23] | < 0.001 |  |
 Knee pain with sick leave | 3.23 [2.66, 3.92] | < 0.001 |  | 4.51 [3.64, 5.58] | < 0.001 |  |
Chronic knee pain yes vs. no | 1.28 [1.16, 1.41] | < 0.001 |  | 1.12 [0.98, 1.28] | 0.103 |  |