From: Case-control study of sudden infant death syndrome in Lithuania, 1997–2000
Variables | Univariate | Multivariate | ||||
---|---|---|---|---|---|---|
Background+ | All factors++ | |||||
Odds ratio (95% CI) | p | Odds ratio (95% CI) | p | Odds ratio (95% CI) | p | |
Bottle feeding of the birth | 4.89 [1.59; 15.05] | 0.006 | 2.74 [0.45; 16.75] | 0.274 | 2.43 [0.17; 33.74] | 0.509 |
Unplanned pregnancy | 8.75 [3.21; 23.85] | <0.001 | 6.98 [2.19; 22.24] | 0.001 | 5.22 [1.49; 18.18] | 0.009 |
Late (month 4–9) or no prenatal care | 4.25 [1.91; 9.41] | <0.001 | 3.65 [1.24; 10.71] | 0.019 | 2.49 [0.73; 8.51] | 0.147 |
≥2 previous live births | 2.73 [1.19; 6.24] | 0.017 | 2.01 [0.69; 5.86] | 0.199 | 3.90 [1.00; 15.10] | 0.048 |
Maternal age ≤20 or ≥35 y | 3.78 [1.69; 8.41] | 0.001 | 1.98 [0.67; 5.89] | 0.216 | 1.18 [0.34; 4.04] | 0.792 |
Maternal education ≤12 y | 5.93 [2.62; 13.40] | <0.001 | 4.11 [1.48; 11.41] | 0.007 | 4.48 [1.34; 14.94] | 0.015 |
Single mother | 3.04 [1.09; 8.54] | 0.034 | 1.86 [0.36; 9.61] | 0.457 | 1.87 [0.22; 16.06] | 0.566 |
No waged income | 3.15 [1.24; 8.02] | 0.016 | 1.01 [0.26; 3.86] | 0.993 | 1.04 [0.21; 5.10] | 0.965 |
Exposure to smoking during pregnancy (one or both of parents smoked) | 3.94 [1.62; 9.61] | 0.003 | 2.76 [0.87; 8.71] | 0.083 | 1.87 [0.51; 6.94] | 0.348 |