Arm | Survey | N | n (%) | Crude OR (95% CI) | p-value | Adjusted ORa (95% CI) | p-value |
---|---|---|---|---|---|---|---|
Over time | |||||||
 3× | CSS-1 | 414 | 102 (24.6) | 1 |  | 1 |  |
 3× | CSS-2 | 417 | 161 (38.6) | 1.92 (1.66–2.23) | <0.001 | 1.94 (1.68–2.24) | <0.001 |
 3× | CSS-3 | 343 | 30 (8.8) | 0.29 (0.24–0.36) | <0.001 | 0.30 (0.25–0.35) | <0.001 |
Between treatment arms | |||||||
 1× | CSS-3 | 375 | 25 (6.7) | 1 |  | 1 |  |
 3× | CSS-3 | 343 | 30 (8.8) | 1.34 (0.66–2.74) | 0.419 | 1.47 (0.72–3.00) | 0.286 |