Characteristics | High-risk women N = 6,160 | Low-risk women N = 18,365 | ||
---|---|---|---|---|
New model | Standard model | New model | Standard model | |
N = 3,287 | N = 2,873 | N = 9,281 | N = 9,084 | |
Demographics | ||||
Married or stable union | 2,981 (90.8) | 2,544 (89.1) | 8,628 (93.0) | 8.297 (91.4) |
Education less than primary | 720 (21.9) | 591 (20.6) | 1,484 (16.0) | 1,291 (14.2) |
Smoking during pregnancy | 493 (15.0) | 460 (16.0) | 815 (8.8) | 1,035 (11.4) |
Substance abuse | 64 (2.0) | 41 (1.4) | - | - |
Ratio persons per room in house (mean, SD) | 2.5 (1.4) | 2.4 (1.3) | 2.4 (1.3) | 2.4 (1.2) |
Maternal age in years (mean, SD) | 26.8 (7.0) | 26.7 (7.1) | 25.1 (5.5) | 24.7 (5.5) |
Outcome of previous pregnancy | ||||
Abortion | 887 (27.0) | 716 (24.9) | 1,794 (19.3) | 1,838 (20.2) |
Fetal death | 87 (2.7) | 68 (2.4) | 5 (0.05) | 6 (0.07) |
Low birth weight (<2500 g) | 374 (11.4) | 384 (13.4) | - | - |
Neonatal death | 61 (1.9) | 45 (1.6) | 5 (0.05) | 2 (0.02) |
Hospital admission for hypertension or pre-eclampsia/eclampsia | 215 (6.5) | 132 (4.6) | - | - |
Reproductive History | ||||
Any previous low birth weight baby | 534 (16.3) | 537 (18.7) | 181 (2.0) | 165 (1.8) |
Any previous surgery of reproductive tract | 227 (6.9) | 351 (12.2) | - | - |
Any previous abortion | 1,443 (50.4) | 1,208 (48.9) | 2,594 (36.8) | 2,601 (38.8) |
Any previous fetal death or neonatal loss | 563 (19.7) | 464 (18.8) | - | - |
Present pregnancy | ||||
Isoimmunization Rh -ve | 143 (4.4) | 76 (2.7) | - | - |
Vaginal bleeding first trimester | 445 (13.5) | 333 (11.6) | - | - |
Date of LMP unknown | 208 (6.3) | 153 (5.3) | 433 (4.7) | 385 (4.2) |
Nulliparous | 973 (29.8) | 903 (31.4) | 2,739 (29.5) | 2,755 (30.3) |
Primigravida | 491 (14.9) | 463 (16.1) | 2,891 (30.4) | 2,890 (31.8) |
Maternal height in cm | 157.2 (6.8) | 156.6 (6.6) | 156.7 (5.5) | 156.4 (6.5) |
Maternal weight at first visit in kg | 61.4 (13.7) | 61.1 (13.2) | 58.7 (12.1) | 58.3 (11.8) |
Duration of gestation at first visit, in weeks | 15.6 (8.0) | 15.7 (7.8) | 16.8 (8.6) | 16.1 (8.0) |
Late booking for antenatal care (>28 weeks) | 368 (11.2) | 294 (10.2) | 1,285 (13.9) | 1.052 (11.6) |