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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 |
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| Index |
Categories |
Singleton live births |
Preterm Births |
Small-for-gestational-age (SGA) |
Low birth weight (LBW) |
|
|
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| No. (%) |
No. (%) |
No. (%) |
No. (%) |
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|
|
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| APNCU Index |
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| Intensive |
25 394 (31.4) |
2 725 (10.7) |
2 379 (9.4) |
1 920 (7.6) |
|
| Adequate |
31 982 (39.5) |
1 130 (3.5) |
2 981 (9.3) |
1 011 (3.2) |
|
| Intermediate |
16 937 (20.9) |
463 (2.7) |
1 717 (10.1) |
494 (2.9) |
|
| Inadequate |
6 383 (7.9) |
458 (7.2) |
832 (13.0) |
389 (6.1) |
|
| No prenatal care |
293 (0.4) |
44 (15.0) |
55 (18.8) |
44 (15.0) |
|
| R-GINDEX |
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| Intensive |
10 192 (12.6) |
326 (3.2) |
929 (9.1) |
255 (2.5) |
|
| Adequate |
33 453 (41.3) |
2 951 (8.8) |
3 134 (9.4) |
2 201 (6.6) |
|
| Intermediate |
30 139 (37.2) |
1 077 (3.6) |
2 960 (9.8) |
993 (3.3) |
|
| Inadequate |
6 912 (8.5) |
422 (6.1) |
886 (12.8) |
365 (5.3) |
|
| No prenatal care |
293 (0.4) |
44 (15.0) |
55 (18.8) |
44 (15.0) |
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Heaman et al. BMC Pregnancy and Childbirth 2008 8:15 doi:10.1186/1471-2393-8-15 |
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