Table 3 Multivariate logistic regression analyses for VDRL and anti-HIV test reagents according according to sex, age, schooling and number of sexual partner in primary health care center, Fortaleza, Ceará, Brazil, 1999-2008

Sex

Male

97/1326

7.3

1

30/952

3.1

1

Female

271/3822

7.1

1.03

0.80-1.32

0.784

0.93

0.71-1.22

0.642

22/3110

0.7

0.25

0.14-0.43

<0.001

0.35

0.18-0.64

<0.001

Age (in years)

≤ 29

222/3247

6.8

1.13

0.90-1.40

0.257

0.98

0.78-1.24

0.925

31/3247

0.95

1.15

0.63-2.08

0.603

1.17

0.62-2.21

0.620

> 29

146/1901

7.7

1

21/1901

1.10

1

Schooling (studingyears)

≤ 8

276/3292

8.3

1

34/3292

1.03

1

> 8

87/1813

4.8

1.81

1.41-2.35

< 0.001

1.87

1.44-2.43

<0.001

18/1813

0.99

1.04

0.56-1.96

0.891

1.05

0.55-1.98

0.880

N^o partners (last three months)

1

293/4076

7,2

1.11

0.80-1.53

0.481

1.14

0.81-1.66

0.439

32/4076

0.79

2.25

1.02-4.62

0.017

1.22

0.58-2.57

0.594

≥ 2

50/627

8.0

1

1

11/627

1.15

1