Characteristic |  | Pre- implementation cohort (2010) n = 492 | Post- implementation cohort (2016) n = 240 | p value |
---|---|---|---|---|
Age (years)a | Mean ± s.d. (range) | 30 ± 5.2 | 31 ± 5.4 |  < 0.001 |
Parity n (%)b | Nulliparous | 353 (60.5) | 158 (55.4) | 0.151 |
Education n(%)b | Year 12 or less | 129 (22.2) | 34 (11.9) | 0.001 |
Trade/certificate/diploma | 192 (33.0) | 98 (34.3) | Â | |
University degree | 261 (44.8) | 154 (53.8) | Â | |
Household Income $Au |  < 50 000 pa | 111 (19.1) | 38 (13.4) | 0.005 |
50- 100000pa | 249 (42.9) | 108 (38) | Â | |
100 000 + pa | 143 (24.6) | 101 (35.6) |  | |
Employment n (%)b | Full time | 274 (47.0) | 149 (52.3) | 0.304 |
Part time/casual | 167 (28.6) | 77 (27.0) | Â | |
Not working | 142 (24.4) | 59 (20.7) | Â | |
Language at home (%)b | English | 502 (86.3) | 233 (80.3) | 0.024 |
Marital status n (%)b | Married/defacto | 551 (94.5) | 267 (93.7) | 0.623 |
BMI (kg/m2)a | Mean ± s.d. (range) | 24.3 ± 5.1 | 24.7 ± 4.6 | 0.236 |
Weight status n (%)(BMI kg/m2) |  < 18.5 | 39 (5.9) | 25 (5.5) | 0.525 |
18.5–24.9 | 403 (60.7) | 257 (56.7) |  | |
25–29.9 | 141 (21.2) | 107 (23.6) |  | |
 > 30.0 | 81 (122) | 64 (14.1) |  | |
Overweight category n (%) |  > 25 kg/m2 | 222 (33.4) | 170 (37.7) | 0.144 |
Gestational age at first hospital visit | Weeks (s.d.) | 16.7 (2.2) | 16.9 (1.9) | 0.093 |
Gestational age at delivery | Weeks (s.d.) | 39.6 (1.6) | 39.2 (1.9) |  < 0.01 |
Number of antenatal visits | 2–4 | 14 (2.2) | 4 (0.8) | 0.004 |
5–7 | 67 (10.4) | 27 (5.7) |  | |
8 or more | 564 (87.4.4) | 443 (93.5) | Â |