Table 1 Demographics of women surveyed before the practice change intervention (pre-intervention) and post-intervention
Characteristic | Pre-intervention (N = 1309) | Post-intervention (N = 2540) |
|---|---|---|
Age (y) | [n = 1308] 29.4 ± 5.3 Median: 29 (18 to 45) | [n = 2538] 30.3 ± 5.1 Median: 30 (18 to 51) |
First pregnancy | [n = 1308] 547 (41.8%) | [n = 2538] 1016 (40.0%) |
Socioeconomic disadvantagea: |  | [n = 2539] |
 Most disadvantaged | 826 (63.1%) | 1298 (51.1%) |
  Least disadvantaged | 483 (36.9%) | 1241 (48.9%) |
Education level: | [n = 1307] | [n = 2535] |
  Highschool or less | 379 (29.0%) | 615 (24.3%) |
  TAFE certificate or diploma | 488 (37.3%) | 899 (35.5%) |
  University, CAE, degree or higher | 440 (33.7%) | 1021 (40.3%) |
Aboriginal/Torres Strait Islander origin (mother) | [n = 1308] 80 (6.1%) | [n = 2538] 115 (4.5%) |
Aboriginal/Torres Strait Islander origin (baby) | [n = 1305] 128 (9.8%) | [n = 2534] 204 (8.1%) |
Marital status: | [n = 1307] | [n = 2537] |
  Never married | 143 (10.94%) | 199 (7.84%) |
  Married/living together in a relationship | 1125 (86.07%) | 2289 (90.22%) |
  Separated/divorced | 38 (2.91%) | 46 (1.81%) |
  Widowed | 1 (0.08%) | 2 (0.08%) |
  Refused | 0 | 1 (0.04%) |
Employment status: | [n = 1308] | [n = 2538] |
  Employed full-time | 292 (22.32%) | 682 (26.87%) |
  Employed part-time/casual | 301 (23.01%) | 640 (25.22%) |
  Unemployed | 134 (10.24%) | 254 (10.01%) |
  Can’t work: health reasons | 15 (1.15%) | 19 (0.75%) |
  Home duties | 236 (18.04%) | 339 (13.36%) |
  Student | 41 (3.13%) | 55 (2.17%) |
  Other | 10 (0.76%) | 10 (0.39%) |
  On maternity leave: employed full-time prior | 144 (11.01%) | 300 (11.82%) |
  On maternity leave: employed part-time/casual prior | 135 (10.32%) | 239 (9.42%) |
Antenatal serviceb: |  | [n = 2531] |
  High risk | 708 (54.09%) | 1302 (51.44%) |
  Low risk | 581 (44.39%) | 1190 (47.02%) |
  AMIHS | 20 (1.53%) | 39 (1.54%) |
Health sector: | ||
  Greater Newcastle (urban) | 860 (65.70%) | 2180 (85.83%) |
  Peel (regional/rural) | 201 (15.36%) | 268 (10.55%) |
  Lower Mid-North Coast (regional/ rural) | 248 (18.95%) | 92 (3.62%) |
AUDIT-C score in 12 months before pregnancy (median (range)) | [n = 1298] 2 (0 to 12) | [n = 2518] 3 (0 to 12) |