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Table 2 Adequacy of Prenatal Care Utilization (APNCU) Index modified according to Brazilian Ministry of Health criteria, Aracaju, Brazil, 2005

From: Risk factors for inadequate prenatal care use in the metropolitan area of Aracaju, Northeast Brazil

Variables    Modified APNCU      
  Absent Inadequate Intermediate Adequate Intensive Total
  n % n % n % n % n % n
Maternal age (years)
< 18 15 3.4 167 38.0 43 9.8 90 20.5 124 33.0 439
18 to 34 53 1.4 971 26.3 182 4.9 904 24.4 1584 45.7 3694
≥ 35 5 1.6 66 21.0 10 3.2 86 27.4 147 48.1 314
Maternal schooling (years)
≤ 4 41 4.7 345 39.5 59 6.8 192 22.0 236 27.0 873
5 to 8 26 1.6 509 32.1 119 7.5 439 27.7 491 31.0 1584
≥ 9 7 0.3 359 17.4 67 3.2 463 22.4 1173 56.7 2069
Family income (minimum wages
< 1 26 4.8 202 37.4 42 7.8 136 25.2 134 24.8 540
1 to < 3 38 1.5 786 30.2 164 6.3 688 26.4 929 35.7 2605
>3 9 0.7 223 16.0 38 2.7 277 19.9 843 60.7 1390
Number of deliveries
≤ 1 20 1.0 466 22.2 99 4.7 487 23.2 1031 49.0 2103
2 to 4 42 1.9 628 28.8 130 6.0 550 25.2 829 38.0 2179
≥ 5 13 4.8 126 46.7 16 5.9 66 24.4 49 18.2 270
Cohabiting partner
   Yes 40 1.1 906 24.7 195 5.3 910 24.8 1617 44.1 3668
   No 35 4.0 314 35.5 50 5.7 193 21.8 292 33.0 884
Municipality of prenatal care assistance
   Aracaju 38 1.3 746 24.6 152 5.0 726 24.0 1367 45.1 3029
   Others 37 2.4 474 31.1 93 6.1 377 24.8 542 35.6 1523
Type of prenatal care assistance
   Private 0 - 93 9.4 16 1.6 148 14.9 738 74.2 995  
   Public 2 0.1 1124 32.3 229 6.6 954 27.4 1169 33.6 3478
Maternal smoking during pregnancy
   Yes 19 7.7 116 47.2 17 6.9 45 18.3 49 19.9 246
   No 56 1.3 1104 25.6 227 5.3 1058 24.6 1860 43.2 4305
Total 75 1.7 1220 26.8 245 5.4 1103 24.2 1909 41.9 4552
  1. Numbers may not add up to total because of missing values