Predicted SIDS Infant death rates for normal women*
| Group number | Risk factors present | Room sharing | Bed sharing | Ratio of rates | |||||
|---|---|---|---|---|---|---|---|---|---|
| Feeding | smoking | Alcohol | Rate/1000 | 95% CI | Rate/1000 | 95% CI | Ratio | 95% CI | |
| Minimum risk | Br | No | No | 0.08 | 0.05 to 0.14 | 0.23 | 0.11 to 0.49 | 2.7 | 1.4 to 5.3 |
| 1 | Bot | No | No | 0.13 | 0.08 to 0.21 | 0.34 | 0.16 to 0.73 | 2.7 | 1.4 to 5.3 |
| 2 | Br | Partner | No | 0.09 | 0.05 to 0.16 | 0.52 | 0.25 to 1.08 | 5.6 | 2.9 to 10.8 |
| 3 | Br | Mother | No | 0.13 | 0.08 to 0.23 | 1.27 | 0.54 to 3.00 | 9.7 | 4.4 to 21.7 |
| 4 | Br | Both | No | 0.24 | 0.15 to 0.41 | 1.88 | 0.94 to 3.73 | 7.7 | 4.3 to 13.8 |
| 5 | Bot | Both | Yes | 1.77 | 0.87 to 3.48 | 27.5 | 10.4 to 68.4 | 15.6 | 5.7 to 41.5 |
*Predicted SIDS mortality rates for a cohabiting, white mother age 26 to 30, having a second normal weight baby with birth weight between 2.5 and 3.5 kg and having no other risk factors, that is mother is not a drug user, has a partner and room shares. Bot, bottle; Br, breast; SIDS, Sudden Infant Death Syndrome.