Table 6.

SIDS: Combined Effect of Position Placed to Sleep the Last Time and Birth Weight Within Three Categories of Infant's Age

Birth WeightSleeping Position1–12 wk13–24 wk25–52 wk
OR95% CIOR95% CIOR95% CI
≥10th percentileSupine1Referent1Referent1Referent
Side1.90.63 –5.53.90.90 –170.990.32 –3.1
Prone6.62.2 –2026.65.9 –1203.11.0 –9.3
<10th percentileSupine1.60.17 –191.70.20 –142.30.59 –9.1
Side8.12.1 –3133.35.6 –19912.92.6 –64
Prone20.34.4 –9563.111 –34819.63.1 –125