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Non-twin sibling CSA risk by twin pair CSA status, controlling for gender
| Twin pair CSA status | Sibling CSA risk – odds ratio (95% CI) |
|---|---|
| CSA + CSA + | 2.81 (1.70 – 4.63) |
| CSA + CSA − | 2.97 (2.06 – 4.30) |
| CSA + ? | 3.19 (1.80 – 5.66) |
| CSA − ? | 1.16 (0.72 – 1.85) |
| CSA − CSA − | 1.00 ----- |
| Female | 3.42 (2.45 – 4.78) |
