Prenatal testing and prevalence of HIV infection during pregnancy: data from the “Birth in Brazil” study, a national hospital-based study

Table 2 Prenatal care and anti-HIV tests performed according to maternal and service characteristics, Brazil, 2011-2012

Maternal characteristics	n	Prenatal care (n = 23.894)		Received card (n = 23.555)		Presented card at maternity hospital (n = 23.555)		Result from one anti-HIV serological test (n = 16.899)		Results from two anti-HIV serological tests (n = 16.899)
		%	p¹	%	p¹	%	p¹	%	p¹	%	p¹
Region of residence
Southeast	10.155	98.8	0.006	96.3	0.130	77.5	<0.001	88.2	<0.001	33.3	<0.001
North	2.296	97.5		97.9		64.2		69.9		18.4
Northeast	6.904	98.5		94.9		67.9		68.4		15.1
South	2.984	99.5		97.1		79.7		92.8		41.7
Midwest	1.555	98.7		94.2		45.1		83.2		36.8
Maternal age
12 to 19 years	4.570	98.5	0.497	98.7	<0.001	74.7	<0.001	75.2	<0.001	26.0	0.020
20 to 34 years	16.807	98.7		95.8		71.7		83.0		28.7
35 and over	2.509	98.7		92.4		65.9		85.8		31.0
Schooling level, (years)
11 or more	11.362	99.6	<0.001	93.4	<0.001	67.6	<0.001	88.2	<0.001	32.5	<0.001
8 to 10	6.081	98.8		98.0		74.5		80.8		28.5
0 to 7	6.317	96.9		98.9		76.2		72.3		21.5
Skin color
White	8.079	99.2	0.001	94.2	<0.001	70.3	0.422	88.6	<0.001	34.6	<0.001
Mixed	13.403	98.5		96.8		72.1		78.3		25.3
Black	2.051	98.1		98.4		73.4		77.1		24.5
East Asian	257	98.3		93.5		73.9		77.7		27.0
Indigenous	99	95.0		98.2		80.1		91.7		34.4
Conjugal situation
With partner	19.439	99.1		95.7		71.2		82.4		28.9
Without partner	4.432	96.9	<0.001	97.4	0.002	73.4	0.107	78.7	0.001	26.1	0.023
Type of prenatal service
Public clinic	17.575	---	---	99.3	<0.001	76.3	<0.001	79.3	<0.001	27.6	0.116
Private clinic	5.971	---	---	86.3	<0.001	58.0	<0.001	91.2	<0.001	31.4	0.116
Type of delivery service
Public	9.836	97.8	<0.001	99.0	<0.001	73.9	<0.001	76.3	<0.001	24.8	0.036
Mixed	10.596	99.1		97.8		77.0		84.3		30.8
Private	3.462	99.9		82.2		49.2		91.6		32.0
Total	23.894	98.7		96.0		71.6		81.7		28.4

¹Chi-square statistical test.
Totals for these variables vary because of missing values. For type of prenatal service, total available for women who had prenatal care.

ISSN: 1471-2334