Table 3 Comparison of two prenatal care utilization indices: Percent of singleton live births assigned to each category and percent of preterm, low birth weight, and small-for-gestational age births among live births in each category, Winnipeg, 1991–2000
Index | Categories | Singleton live births | Preterm Births | Small-for-gestational-age (SGA) | Low birth weight (LBW) |
|---|---|---|---|---|---|
| Â | Â | No. (%) | No. (%) | No. (%) | No. (%) |
APNCU Index | Â | Â | Â | Â | Â |
| Â | Intensive | 25 394 (31.4) | 2 725 (10.7) | 2 379 (9.4) | 1 920 (7.6) |
| Â | Adequate | 31 982 (39.5) | 1 130 (3.5) | 2 981 (9.3) | 1 011 (3.2) |
| Â | Intermediate | 16 937 (20.9) | 463 (2.7) | 1 717 (10.1) | 494 (2.9) |
| Â | Inadequate | 6 383 (7.9) | 458 (7.2) | 832 (13.0) | 389 (6.1) |
| Â | No prenatal care | 293 (0.4) | 44 (15.0) | 55 (18.8) | 44 (15.0) |
R-GINDEX | Â | Â | Â | Â | Â |
| Â | Intensive | 10 192 (12.6) | 326 (3.2) | 929 (9.1) | 255 (2.5) |
| Â | Adequate | 33 453 (41.3) | 2 951 (8.8) | 3 134 (9.4) | 2 201 (6.6) |
| Â | Intermediate | 30 139 (37.2) | 1 077 (3.6) | 2 960 (9.8) | 993 (3.3) |
| Â | Inadequate | 6 912 (8.5) | 422 (6.1) | 886 (12.8) | 365 (5.3) |
| Â | No prenatal care | 293 (0.4) | 44 (15.0) | 55 (18.8) | 44 (15.0) |