TABLE 5.

Usual and Last Sleep Position and Risk of SIDS (N = 198 Matched Pairs)

Position PlacedSIDS CasesControlsUnadjusted OR (95% CI)Adjusted OR* (95% CI)
N %N %
Usual sleep
 Nonprone86 (43.4)111 (56.1)1.0 Reference1.0 Reference
 Prone112 (56.6)87 (43.9)1.9 (1.2–2.9)1.8 (1.03–3.1)
Last/reference sleep
 Nonprone88 (44.4)123 (62.1)1.0 Reference1.0 Reference
 Prone110 (55.6)75 (37.9)2.1 (1.4–3.1)2.0 (1.2–3.3)
Usual versus last sleep (prone)
 No-No64 (32.3)99 (50.0)1.0 Reference1.0 Reference
 Yes-No24 (12.1)24 (12.1)1.3 (0.8–2.3)1.3 (0.7–2.4)
 No-Yes22 (11.1)12 (6.1)1.8 (1.1–2.9)1.8 (1.02–3.2)
 Yes-Yes88 (44.5)63 (31.8)2.4 (1.5–3.9)2.3 (1.2–4.2)
  • * Adjusted for maternal age, marital status, education, and index of prenatal care.