Table 3 Smoking at home and infant cotinine-to-creatinine ratio
Cotinine-to-creatinine ratio (μg/mmol) with log e transformation | ||||||
|---|---|---|---|---|---|---|
B | SE | z | p> |z| | 95% CI | ||
Household smoking | ||||||
Smoking outside the home | Ref. | |||||
Smoking inside the home | 1.23 | 0.41 | 3.00 | < .01 | .43 | 2.04 |
Number of smokers living in home | ||||||
One smoker | Ref. | |||||
Two smokers | .33 | 0.44 | 0.75 | .46 | -.54 | 1.20 |
Cpd smoked in the presence of the infant | .02 | 0.05 | 0.43 | .67 | -.08 | .13 |
Time infants spend in rooms in which smoking occurs (minutes) | .00 | 0.00 | 0.96 | .34 | -.00 | .01 |