Table 2 Pregnant women’s current self-reported smoking status and urinary cotinine levels (n = 493).
From: Prevalence and risk factors of secondhand smoke (SHS) exposure among pregnant women in Mongolia
All | Urinary cotinine concentration | |||||||
|---|---|---|---|---|---|---|---|---|
<5 ng/ml | 5–100 ng/ml | >100 ng/ml | ||||||
Not exposed | SHS exposure | Biochemically determined smokers | ||||||
(n = 240, 48.7%) | (n = 195, 39.5%) | (n = 58, 11.8%) | ||||||
Self-reported smoking status | ||||||||
Daily smoker | 4 | (0.8) | 0 | (0.0) | 0 | (0.0) | 4 | (100.0) |
Nondaily smoker | 23 | (4.7) | 2 | (8.7) | 5 | (21.7) | 16 | (69.6) |
Nonsmoker | 438 | (88.8) | 229 | (52.2) | 175 | (40.0) | 34 | (7.8) |
Missing | 28 | (5.7) | 9 | (32.1) | 15 | (53.6) | 4 | (14.3) |
