Table 1 Maternal demographic characteristics in relation to age group and parity
| Â | Women aged 14-17 | Women aged 18-19 | Women aged 20-29 | |||
|---|---|---|---|---|---|---|
| Â | First births (n = 3065) n(%) | Second births (n = 571) n(%) | First births (n = 5316) n(%) | Second births (n = 2190) n(%) | First births (n = 22710) n(%) | Second births (n = 22501) n(%) |
Social deprivation score | Â | Â | Â | Â | Â | Â |
1 (least deprived) | 242 (7.88) | 31 (5.43) | 532 (10.01) | 134 (6.12) | 4406 (19.40) | 3582 (15.92) |
2 | 587 (19.12) | 107 (18.74) | 1043 (19.62) | 371 (16.94) | 5553 (24.45) | 4907 (21.81) |
3 | 844 (27.49) | 158 (27.67) | 1517 (28.54) | 610 (27.85) | 5357 (23.59) | 5798 (25.77) |
4 (most deprived) | 1062 (34.59) | 215 (37.65) | 1634 (30.74) | 847 (38.68) | 5095 (22.44) | 6051 (26.89) |
unclassified | 335 (10.91) | 60 (10.51) | 590 (11.10) | 228 (10.41) | 2299 (10.12) | 2163 (9.61) |
Ethnicity | Â | Â | Â | Â | Â | Â |
White | 2520 (82.08) | 479 (83.89) | 4087 (76.88) | 1767 (80.68) | 15218 (67.01) | 15455 (68.69) |
Asian | 55 (1.79) | 12 (2.10) | 286 (5.38) | 93 (4.25) | 2394 (10.54) | 2634 (11.71) |
Indian | 8 (0.26) | 1 (0.18) | 71 (1.34) | 22 (1.00) | 889 (3.91) | 721 (3.20) |
Black | 90 (2.93) | 11 (1.93) | 115 (2.16) | 57 (2.60) | 683 (3.01) | 642 (2.85) |
Chinese | 4 (0.13) | 2 (0.35) | 11 (0.21) | 5 (0.23) | 145 (0.64) | 96 (0.43) |
Other and not recorded | 393 (12.80) | 66 (11.56) | 746 (14.03) | 246 (11.23) | 3381 (14.89) | 2953 (13.12) |
BMI | Â | Â | Â | Â | Â | Â |
Normal (18.5-24.9) | 1381 (44.98) | 248 (43.43) | 2196 (41.31) | 862 (39.36) | 8463 (37.27) | 7640 (33.95) |
Underweight (12-18.4) | 144 (4.69) | 15 (2.63) | 229 (4.31) | 81 (3.70) | 559 (2.46) | 547 (2.43) |
Overweight (25-29.9) | 359 (11.69) | 88 (15.41) | 757 (14.24) | 341 (15.57) | 3830 (16.86) | 3990 (17.73) |
Obese (30-39.9) | 116 (3.78) | 28 (4.90) | 309 (5.81) | 160 (7.31) | 2028 (8.93) | 2453 (10.90) |
Morbidly obese (> 40) | 9 (0.29) | 1 (0.18) | 23 (0.43) | 18 (0.82) | 207 (0.91) | 307 (1.36) |
Missing | 1061 (34.56) | 191 (33.45) | 1802 (33.90) | 728 (33.24) | 7623 (33.57) | 7564 (33.62) |