Table 2.
Comparison between the groups of participants who were quitter and pregnant smoker in terms of smoking history and volume (n = 166).
| Quitters (n = 126) |
Pregnant smokers (n = 40) |
t-test | p-value | |
|---|---|---|---|---|
| Smoking history (years) | ||||
| Average | 5.63 years (SD = 4.69) | 9.70 years (SD = 5.19) | t = 4.66 | p < 0.01 |
| 1 or less | 26 (20.6%) | 2 (5.0%) | ||
| 2–3 | 30 (23.8%) | 5 (12.5%) | ||
| 4–5 | 24 (19.1%) | 1 (2.5%) | ||
| 6–10 | 27 (21.4%) | 17 (42.5%) | ||
| 11–15 | 15 (11.9%) | 12 (30.0%) | ||
| More than 16 | 4 (3.2%) | 3 (7.5%) | ||
| Smoking volume—prior to pregnancy (pack/week) | ||||
| Average | 3.17 pack/week (SD = 3.59) | 4.95 pack/week (SD = 4.27) | t = −3.00 | p < 0.01 |
| 1 | 70 (55.6%) | 10 (25.0%) | ||
| 2 | 15 (11.9%) | 9 (22.5%) | ||
| 3 | 11 (8.7%) | 3 (7.5%) | ||
| 4 or more | 30 (23.8%) | 18 (45.0%) | ||
| Smoking volume—during pregnancy (pack/week) | ||||
| Average | 0 pack/week (SD = 0) | 3.20 pack/week (SD = 3.70) | t = −10.13 | p < 0.01 |
| Quit during pregnancy | 126 (100.0%) | 0 (0.0%) | ||
| Less than 1 | 0 (0.0%) | 31 (77.5%) | ||
| 1 | 0 (0.0%) | 4 (10.0%) | ||
| 2 or 3 | 0 (0.0%) | 1 (2.5%) | ||
| 4 or more | 0 (0.0%) | 4 (10.0%) | ||