Multivariable model (SIDS vs controls)
| Characteristic | Category | SIDS | Controls | OR (95% CI) | P value | ||
| n/N | % | n/N | % | ||||
| Sleeping with carer | Hazardous† | 21/60 | 35.0 | 6/194 | 3.1 | 40.2 (10.6 to 152.8) | <0.0001 |
| Sleeping position | Found prone | 20/60 | 33.3 | 6/194 | 3.1 | 29.1 (7.2 to 118.0) | <0.0001 |
| Health final week | Fair or poor | 32/60 | 53.3 | 18/194 | 9.3 | 10.9 (3.9 to 31.1) | <0.0001 |
| Multiple birth | Twin | 5/60 | 8.3 | 2/194 | 1.0 | 57.4 (7.4 to 444.1) | 0.0002 |
| Feeding final week | <Usual | 20/60 | 33.3 | 12/194 | 6.2 | 5.0 (1.5 to 16.7) | 0.009 |
| Maternal education | ≤GCSE‡ | 30/60 | 50.0 | 32/194 | 16.5 | 3.9 (1.4 to 11.0) | 0.01 |
*Adjusted for infant age, 60 SIDS cases and 194 controls in the model.
†Includes those sleeping directly next to a parent that has consumed alcohol or smoked or where carer or infant slept on a sofa.
‡Highest educational qualification of mother was the General Certificate of Secondary Education (GCSE) (awarded at 16 years) or below.
SIDS, sudden infant death syndrome.