Questionnaire | ||||||
---|---|---|---|---|---|---|
Nicotine | Cotinine | |||||
Exposure group | n | Geometric mean | 95% Confidence intervals | n | Geometric mean | 95% Confidence intervals |
No exposure | 101 | 0.58 | 0.49 to 0.68 | 49 | 0.44 | 0.24 to 0.80 |
Smoke outside the house | 69 | 2.63 | 2.03 to 3.40 | 44 | 4.10 | 2.33 to 7.23 |
Smoke inside the house | 127 | 5.62 | 4.60 to 6.86 | 65 | 5.30 | 3.25 to 8.63 |