Follow-up time | 3 months | 6 months | 12 months | |||
---|---|---|---|---|---|---|
Intervention | Control | Intervention | Control | Intervention | Control | |
High pain | 162 | 253 | 159 | 236 | 136 | 215 |
Low pain | 221 | 448 | 215 | 444 | 232 | 429 |
Total | 383 | 701 | 374 | 680 | 368 | 644 |
Potentially eligible before recruitment | 3041 | 4238 | 3041 | 4238 | 3041 | 4238 |
Crude OR for treatment effect (95% CI) | 1.30 (1.01, 1.67) | 1.39 (1.07, 1.80) | 1.17 (0.90, 1.53) |