Risk of SIDS associated with severity of illness and with acute medical contacts
| SIDS, No (%) | Controls, No (%) | Univariate OR (95% CI) | Multivariate OR (95% CI) | |
|---|---|---|---|---|
| Severity of illness based on BabyCheck | ||||
| Nil or mild | 270 (78.0) | 1334 (88.2) | 1.00 | 1.00 |
| Moderate | 54 (15.6) | 142 (9.4) | 1.88 (1.32 to 2.67) | 1.42 (0.92 to 2.19) |
| Severe | 22 (6.4) | 36 (2.4) | 3.02 (1.69 to 5.38) | 2.36 (1.14 to 4.90) |
| Acute medical contact—seen by general practitioner | ||||
| No | 202 (54.2) | 957 (61.4) | 1.00 | 1.00 |
| Yes | 171 (45.8) | 601 (38.6) | 1.37 (1.09 to 1.72) | 1.09 (0.81 to 1.47) |
| Acute medical contact—seen at hospital | ||||
| No | 348 (89.7) | 1535 (96.7) | 1.00 | 1.00 |
| Yes | 40 (10.3) | 53 (3.3) | 3.43 (2.23 to 5.27) | 1.72 (0.96 to 3.08) |
OR = odds ratio; CI = confidence interval.