Comparison of routine pacifier use and use for the last/reference sleep
| Ever used a pacifier | Pacifier for last sleep | SIDS | Controls | Univariate OR (95% CI) | Bivariate OR (95% CI) | Multivariate OR (95% CI) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n = 313 | % | n = 1296 | % | |||||||||||
| No | No | 95 | 30.4 | 386 | 29.8 | 1.00 (reference group) | 1.00 (reference group) | 1.00 (reference group) | ||||||
| Yes | No | 94 | 30.0 | 246 | 19.0 | 1.55 (1.11 to 2.18) | 1.39 (0.93 to 2.07) | 1.22 (0.54 to 2.74) | ||||||
| No | Yes | 5 | 1.6 | 36 | 2.8 | 0.56 (0.17 to 1.50) | 0.37 (0.10 to 1.20) | 0.65 (0.06 to 7.34) | ||||||
| Yes | Yes | 119 | 38.0 | 628 | 48.5 | 0.77 (0.57 to 1.05) | 0.63 (0.44 to 0.91) | 0.44 (0.21 to 0.94) | ||||||
In bivariate analysis occupational classification was controlled for.
In multivariate analysis the following factors were controlled for: maternal age, parity, gestational age, birth weight, multiple births, unemployment, maternal smoking during pregnancy, paternal smoking and drug use, daily postnatal exposure to tobacco smoke, previous episode of an apparent life threatening event, maternal anxiety over infant becoming too hot, breast feeding and factors relating to the last 24 hours including: put down in the prone or side position to sleep, where the infant slept, being found with head covered, use of pillow in the cot, recent maternal alcohol consumption, parental estimate of poor health, length of previous sleep, and change in routine affecting the infant.
CI, confidence interval; OR, odds ratio.