Adherence to health behaviours before and during pregnancy by age, education, ethnicity, BMI and pregnancy intention
| Age | Education | Ethnicity | BMI | Pregnancy intention | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | 15–29 | 30–39 | 40–51 | 2nd level | 3rd level | Irish | Other | <20 | 20–25 | >25 | No | Yes | |
| 718 (100) | 167 (23.3) | 510 (71.1) | 40 (5.6) | 126 (17.6) | 590 (82.4) | 571 (80.7) | 137 (19.4) | 26 (3.8) | 464 (67.1) | 202 (29.2) | 138 (79.3) | 579 (80.8) | |
| Before* | |||||||||||||
| Smoking | 542 (76.1) | 100 (60.6) | 406 (80.2) | 36 (90.0) | 76 (60.8) | 463 (79.4) | 428 (75.6) | 109 (79.6) | 19 (73.1) | 348 (75.5) | 155 (77.1) | 90 (65.2) | 452 (78.8) |
| Alcohol (<11 units/week) | 263 (66.8) | 44 (63.8) | 201 (66.1) | 18 (85.7) | 27 (58.7) | 235 (67.7) | 217 (64.8) | 45 (78.9) | 7 (77.8) | 186 (67.9) | 61 (61.6) | 52 (67.5) | 211 (66.6) |
| Folate | 414 (58.1) | 62 (37.1) | 327 (64.8) | 24 (60.0) | 47 (37.9) | 365 (62.4) | 341 (60.0) | 67 (49.3) | 14 (53.9) | 280 (60.9) | 107 (53.0) | 24 (17.5) | 390 (67.7) |
| Adherence† | 121 (26.2) | 10 (8.7) | 102 (32.0) | 9 (32.1) | 9 (9.6) | 112 (30.7) | 109 (30.2) | 11 (11.3) | 2 (10.5) | 87 (30.2) | 31 (21.8) | 5 (6.3) | 116 (30.3) |
| During‡ | |||||||||||||
| Smoking | 542 (79.1) | 100 (62.1) | 406 (84.1) | 36 (90.0) | 76 (63.2) | 463 (82.8) | 428 (76.7) | 109 (82.6) | 19 (73.1) | 348 (78.6) | 155 (80.7) | 90 (65.7) | 452 (82.5) |
| Alcohol | 383 (54.1) | 106 (64.2) | 255 (50.7) | 22 (56.4) | 72 (60.5) | 307 (52.6) | 293 (51.9) | 86 (64.7) | 16 (64.0) | 237 (51.9) | 111 (55.2) | 67 (49.3) | 316 (55.3) |
| Folate | 601 (83.9) | 139 (83.3) | 430 (84.7) | 31 (77.5) | 98 (74.8) | 500 (85.2) | 483 (84.7) | 109 (79.6) | 22 (84.6) | 400 (86.2) | 159 (79.1) | 104 (75.9) | 497 (85.8) |
| Adherence§ | 263 (39.0) | 54 (34.0) | 193 (40.6) | 16 (41.0) | 40 (35.1) | 221 (39.8) | 202 (37.6) | 58 (45.3) | 12 (48.0) | 168 (38.5) | 72 (37.9) | 33 (24.6) | 230 (42.6) |
| Since birth | |||||||||||||
| Breastfeeding (2 months) | 209 (30.1) | 35 (21.7) | 161 (32.7) | 12 (30.0) | 25 (20.8) | 183 (32.1) | 147 (26.3) | 61 (47.7) | 8 (32.0) | 148 (33.0) | 46 (23.1) | 41 (29.9) | 168 (30.1) |
*Three months before pregnancy.
†Adherence to all three health behaviours before pregnancy.
‡During three trimesters of pregnancy.
§Adherence to three health behaviours during pregnancy.
BMI, body mass index.