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 | 1.42 | 0.33 | 4.32 | < .001 | .77 | 2.07 |
Infant's sex and age | ||||||
Male | Ref. | |||||
Female | .79 | 0.26 | 3.01 | < .01 | .28 | 1.31 |
Age (month) | -.03 | 0.01 | -2.02 | < .05 | -.06 | -.00 |
Study day | .03 | 0.03 | 1.02 | .31 | -.03 | .08 |