Skip to main content
. 2009 Jul 22;9:31. doi: 10.1186/1471-2393-9-31

Table 5.

Adjusted analysis of factors associated with inadequacy of prenatal care use, Aracaju, SE, 2005.

Modified APNCU (Adequacy of prenatal care use index)*
Variable Inadequate Adequate
n % n % Adjusted OR 95%CI
Maternal age (years)
 < 18 225 51.3 214 48.7 4.10 2.81 – 5.99
 18 to 34 1206 32.7 2488 67.3 2.03 1.50 – 2.76
 ≥ 35 (reference) 81 25.8 233 74.2
Maternal schooling (years)
 ≤ 4 445 51.0 428 49.0 1.72 1.40 – 2.11
 5 to 8 654 41.3 930 58.7 1.43 1.21 – 1.70
 ≥ 9 (reference) 433 20.9 1636 79.1
Family income (minimum wages)
 > 1 270 50.0 270 50.0 1.39 1.08 – 1.79
 1 to < 3 988 37.9 1617 62.1 1.30 1.08 – 1.56
 ≥ 3 (reference) 270 19.4 1120 80.6
Number of deliveries
 ≤ 1 (reference) 585 27.8 1518 72.2
 2 to 4 800 36.7 1379 63.3 1.50 1.28 – 1.74
 ≥ 5 155 57.4 115 42.6 2.69 1.96–3.69
Cohabiting partner
 Yes 1141 31.1 2527 68.9
 No 399 45.1 485 54.9 1.65 1.39 – 1.94
Municipality of prenatal care assistance
 Aracaju (reference) 936 30.9 2093 69.1
 Others 604 39.7 919 60.3 1.18 1.02 – 1.36
Type of assistance
 Private 109 11.0 886 89.0 0.34 0.27 – 0.43
 Public (reference) 1355 39.0 2123 61.0
Maternal smoking during pregnancy
 Yes 152 61.8 94 38.2 2.25 1.69 – 2.99
 No 1387 32.2 2918 67.8

Modified APNCU index: inadequate = absent + inadequate + intermediary

adequate = adequate + intensive

OR – Odds ratio; CI – Confidence Interval