| Non-smokers | Smokers | Between-groups difference | Quit smoking | Continued smoking | Between-groups difference | ||
---|---|---|---|---|---|---|---|---|
N = 3086 | N = 612 | N = 354 | N = 255 | |||||
n/N (%) | n/N (%) | df | χ2p | n/N (%) | n/N (%) | df | χ2 p | |
Primiparous | 1432/3086 (46.4%) | 353/612 (57.7%) | 1 | <0.001** | 231/354 (65.3%) | 112/255 (47.1%) | 1 | <0.001** |
Single parent | 80/3080 (2.6%) | 68/605 (11.2%) | 1 | <0.001** | 17/353 (4.8%) | 51/249 (20.5%) | 1 | <0.001** |
Education | Â | Â | 2 | <0.001** | Â | Â | 2 | <0.001** |
 Low | 828/2582 (32.1%) | 325/462 (70.3%) |  |  | 190/298 (63.8%) | 133/161 (82.6%) |  |  |
 Middle | 803/2582 (31.1%) | 81/462 (17.5%) |  |  | 62/298 (20.8%) | 19/161 (11.8%) |  |  |
 High | 951/2582 (36.8%) | 56/462 (12.1%) |  |  | 46/298 (15.4%) | 9/161 (5.6%) |  |  |
Income | Â | Â | 3 | <0.001** | Â | Â | 3 | 0.015* |
 <1000€ | 544/2577 (21.1%) | 133/460 (28.9%) |  |  | 72/297 (24.2%) | 59/160 (36.9%) |  |  |
 1001-1500€ | 409/2577 (15.9%) | 112/460 (24.3%) |  |  | 71/297 (23.9%) | 41/160 (25.9%) |  |  |
 1501-2000€ | 870/2577 (33.8%) | 140/460 (30.4%) |  |  | 101/297 (34.0%) | 39/160 (24.4%) |  |  |
 >2000€ | 754/2577 (29.3%) | 75/460 (16.3%) |  |  | 53/297 (17.8%) | 21/160 (13.1%) |  |  |
Self-reported prior psychiatric disorder (any) | 419/2580 (16.2%) | 126/460 (27.4%) | 1 | <0.001** | 74/297 (24.9%) | 50/160 (31.3%) | 1 | 0.146 |
Self-reported prior depression | 291/2580 (11.3%) | 93/460 (20.2%) | 1 | <0.001** | 51/297 (17.2%) | 40/160 (25.0%) | 1 | 0.046* |
Self-reported prior anxiety disorder | 137/2580 (5.3%) | 38/460 (8.3%) | 1 | 0.012* | 23/297 (7.7%) | 14/160 (8.8%) | 1 | 0.707 |