Table 2 Characteristics of women who quit smoking during pregnancy (n = 55) among smokers at conception (n = 90)
Smokers at conception | Quitters during pregnancy | |
|---|---|---|
n | n (%) | |
Overall | 90 | 55 (61%) |
Age (years) | ||
18–24 | 17 | 10 (59%) |
25–29 | 35 | 23 (66%) |
30–34 | 25 | 16 (64%) |
≥ 35 | 13 | 6 (46%) |
Missing data 0 | ||
BMI (kg/m2) | ||
Underweight (< 18.5) | 8 | 5 (63%) |
Normal (18.5–24.9) | 45 | 28 (62%) |
Overweight (25–29.9) | 22 | 11 (50%) |
Obese (≥ 30) | 8 | 4 (50%) |
Missing data 7 | ||
Parity | ||
Nullipara | 44 | 31 (71%) |
Multipara | 46 | 24 (52%) |
Missing data 0 | ||
Mode of conception | ||
Spontaneous | 83 | 49 (59%) |
Assisted reproductive technologies | 6 | 5 (83%) |
Missing data 1 | ||
Chronic illnessa | ||
Yes | 17 | 11 (65%) |
No | 73 | 44 (62%) |
Missing data 0 | ||
Self-rated general health | ||
Good | 62 | 21 (66%) |
Moderate | 18 | 9 (50%) |
Poor | 10 | 5 (50%) |
Missing data 1 | ||
Education | ||
≤ 12 years | 30 | 13 (43%) |
> 12 years | 60 | 42 (70%) |
Missing data 0 | ||
Work schedule | ||
Day time | 63 | 41 (65%) |
Shift work | 27 | 14 (52%) |
Missing data 0 | ||
Employment status | ||
Employed | 71 | 47 (66%) |
Unemployed | 19 | 8 (42%) |
Missing data 0 | ||
Cohabitation | ||
Yes | 77 | 51 (66%) |
No | 12 | 4 (33%) |
Missing data 0 | ||
Cigarettes per day | ||
1–9 cigarettes | 24 | 21 (88%) |
≥ 10 cigarettes | 60 | 31 (52%) |
Missing data 6 | ||