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Table 5 Adjusted analysis of factors associated with inadequacy of prenatal care use, Aracaju, SE, 2005.

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

 

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

  
  1. Modified APNCU index: inadequate = absent + inadequate + intermediary
  2. adequate = adequate + intensive
  3. OR – Odds ratio; CI – Confidence Interval