Table 1.
Descriptive statistics for demographic and other indicators for total sample and each group
| Indicators Total sample, n (%) | Women who smoked BP, n (%)* | Women who smoked during the entire pregnancy, n (%)* | Women who successfully quit smoking DP, n (%)* | Women who relapsed PP, n (%)* | |
|---|---|---|---|---|---|
| Number | 1,858 | 311 | 84 | 216 | 97 |
| Maternal age, years | |||||
| 18–24 | 127 (8–7) | 44 (17–0) | 14 (20–4) | 25 (14–1) | 8 (9–6) |
| 25–29 | 455 (28–6) | 102 (35–8) | 28 (34–7) | 69 (35–9) | 38 (44–8) |
| 30–34 | 739 (38–4) | 100 (30–1) | 20 (23–0) | 80 (34–2) | 33 (30–8) |
| 35+ | 528 (24–4) | 65 (17–1) | 22 (21–8) | 42 (15–7) | 18 (14–8) |
| Educational level | |||||
| low 153 (11–8) | 48 (19–8) | 26 (36–4) | 23 (14–6) | 13 (18–8) | |
| Medium | 705 (38–1) | 170 (52–5) | 50 (55–1) | 110 (49–3) | 57 (53–7) |
| High | 1,000 (50–1) | 93 (27–7) | 8 (8–4) | 83 (36–1) | 27 (27–5) |
| Living situation | |||||
| partner and children | 1,735 (92–0) | 258 (81–1) | 66 (76–1) | 183 (83–0) | 80 (80–8) |
| Other | 123 (8–0) | 53 (18–9) | 18 (23–9) | 33 (17–0) | 17 (19–2) |
| Ethnicity | |||||
| yutch 1,469 (69–4) | 256 (74–7) | 71 (79–0) | 175 (72–4) | 78 (71–6) | |
| Other Western | 144 (10–6) | 26 (11–4) | 6 (9–6) | 19 (12–1) | 6 (9–0) |
| Other non-Western | 244 (20–0) | 29 (13–9) | 7 (11–4) | 22 (15–5) | 13 (19–4) |
| Intake of folic acid BP | |||||
| No | 569 (33–1) | 130 (44–5) | 24 (32–6) | 99 (48–3) | 39 (44–8) |
| Yes | 1,289 (66–9) | 181 (55–5) | 60 (67–4) | 117 (51–7) | 58 (55–2) |
| Intake of folic acid DP | |||||
| No | 133 (8–6) | 23 (8–3) | 11 (14–6) | 12 (6–1) | 4 (5–0) |
| Yes | 1,718 (91–4) | 286 (91–7) | 73 (85–4) | 204 (93–9) | 93 (95–0) |
| Breastfeeding | |||||
| No | 490 (26–1) | 123 (38–9) | 45 (50–8) | 71 (32–2) | 35 (35–7) |
| Yes | 1,351 (73–9) | 185 (61–1) | 39 (49–2) | 144 (67–8) | 62 (64–3) |
| Intensity of alcohol use BP | |||||
| Non-drinkers 1,012 (57–2) | 123 (40–4) | 64 (75–0) | 56 (27–0) | 27 (29–2) | |
| 1 glass | 415 (21–5) | 63 (21–7) | 7 (9–5) | 53 (26–3) | 27 (29–7) |
| .2 glasses | 423 (21–3) | 125 (38–0) | 13 (15–5) | 107 (46–7) | 43 (41–1) |
| Alcohol use DP | |||||
| No | 1,757 (95–4) | 291 (94–6) | 80 (95–7) | 203 (94–5) | 93 (95–4) |
| Yes | 91 (4–6) | 17 (5–4) | 4 (4–3) | 12 (5–5) | 4 (4–6) |
| Cannabis use BP | |||||
| No | 1,818 (97–8) | 285 (90–2) | 78 (91–3) | 200 (90–7) | 87 (86–3) |
| Yes | 33 (2–2) | 25 (9–8) | 6 (8–7) | 16 (9–3) | 10 (13–7) |
| Smoking of partner BP | |||||
| No | 1,345 (71–1) | 97 (30–8) | 18 (23–4) | 76 (34–1) | 29 (27–8) |
| Yes | 510 (28–9) | 214 (69–2) | 66 (76–6) | 140 (65–9) | 68 (72–2) |
| Change in partner's smoking DP compared to BP | |||||
| Did not smoke BP and DP | 1,335 (71–7) | 106 (34–6) | 21 (26–7) | 82 (38–2) | 31 (30–7) |
| Decreased or quit | 230 (13–0) | 92 (29–4) | 22 (24–7) | 67 (31–3) | 29 (32–1) |
| As much as or increased | 268 (15–3) | 107 (36–0) | 41 (48–6) | 62 (30–5) | 35 (37–2) |
| Change in partner's smoking PP | |||||
| Did not smoke at all | 1,336 (72–3) | 124 (41–2) | 28 (36–5) | 95 (44–6) | 39 (39–4) |
| Smoked BP or DP, but not PP | 76 (4–1) | 24 (7–0) | 4 (4–5) | 21 (8–9) | 2 (1–8) |
| Smoked PP | 419 (23–6) | 159 (51–8) | 52 (59–0) | 98 (46–5) | 55 (58–8) |
| Talked about smoking cessation with health care professionals DP | |||||
| No | 253 (80–3) | 249 (80–9) | 48 (56–9) | 197 (92–3) | 84 (91–0) |
| Yes | 59 (19–7) | 56 (19–1) | 36 (43–1) | 15 (7–7) | 9 (9–0) |
| Use of smoking cessation support DP | |||||
| No | 295 (93–6) | 288 (94–0) | 74 (89–2) | 207 (96–8) | 91 (95–5) |
| Yes | 22 (6–4) | 20 (6–0) | 10 (10–8) | 8 (3–2) | 5 (4–5) |
The percentages are weighted for age, educational level, and ethnicity.
*
Does not add to the subsample size due to missing values. BP, before pregnancy; DP, during pregnancy; PP, postpartum