Table 3 Results from the multivariable linear model with co‐sleeping and minimum room temperature as predictor values.
| Covariate | Ratio of geometric means | 95% CI | p Value |
|---|---|---|---|
| Baby co‐slept | 4.13 | 1.090 to 15.621 | 0.037 |
| Minimum room temperature where baby slept (°C) | 0.83 | 0.694 to 0.979 | 0.028 |
| Baby with at least one parent smoker | 7.39 | 2.535 to 21.527 | <0.001 |
| Low social class of household | 0.83 | 0.460 to 3.097 | 0.703 |
| Inadequate heating in family home | 0.74 | 0.219 to 2.513 | 0.624 |
| Paternal unemployment | 1.23 | 0.368 to 4.111 | 0.730 |
| Breast feeding | 1.31 | 0.491 to 3.493 | 0.581 |
| Delay in age baby achieved mature temperature biorhythm | 1.01 | 0.893 to 1.160 | 0.784 |
| Season | 0.58 | 0.31 to 1.07 | 0.080 |
Dependent variable: log cotinine:creatinine ratio.