Table 1 The association between HIV and sociodemographic, sexual behavior and risk perception among 2654 pregnant women in Moshi Tanzania.

Age (completed years)

   14 – 19

471

(17.7)

2.8

1

   20 – 24

996

(37.5)

5.9

2.22

1.20 – 4.09

0.01

   25 – 29

664

(25.0)

10.1

3.95

2.16 – 7.25

<0.001

   30 – 34

382

(14.4)

9.2

3.55

1.85 – 6.82

<0.001

   35 – 39

117

(4.4)

8.5

3.29

1.41 – 7.71

0.006

   40 +

24

(0.9)

0.0

-

-

Years of residence in Moshi

   3 +

2095

(78.9)

6.4

1

   1 – 2 years

391

(14.7)

7.7

1.22

0.81 – 1.84

0.35

   <1 year

168

(6.3)

11.9

1.98

1.20 – 3.26

0.007

Alcohol consumption

   No

1833

(69.1)

5.8

1

   Occasionally/weekly

770

(29.0)

9.2

1.66

1.21 – 2.26

0.002

   Daily

51

(1.9)

13.7

2.59

1.14 – 5.89

0.02

Marital status

   Married

1624

(61.2)

6.0

1

   Cohabiting

790

(29.8)

8.1

1.39

1.00 – 1.93

0.05

   Single/separated/divorced

240

(9.1)

9.6

1.67

1.04 – 2.69

0.04

Polygamy relationship †

   No

2245

(84.6)

6.0

1

   Yes

296

(11.2)

15.2

2.80

1.95 – 4.02

<0.001

Number of pregnancies

   1^st pregnancy

968

(36.4)

3.5

1

   2^nd pregnancy

700

(26.4)

9.0

2.72

1.77 – 4.17

<0.001

   3^rd or more

986

(37.1)

8.8

2.66

1.17 – 3.99

<0.001

Age at first sex (years)

   19 +

1068

(40.2)

5.7

1

   16 – 18 years

1208

(45.5)

7.0

1.25

0.89 – 1.76

0.19

   9 – 15 years

378

(14.2)

10.1

1.85

1.21 – 2.82

0.005

Number of lifetime sexual partners

   1

1490

(56.1)

2.3

1

   2

834

(31.4)

9.8

4.53

3.02 – 6.79

<0.001

   3

237

(8.9)

17.7

8.95

5.58 – 14.37

<0.001

   4 +

93

(3.5)

26.9

15.28

8.66 – 26.97

<0.001

Casual partner in the past 12 months

   No

2537

(95.6)

6.7

1

   Yes

117

(4.4)

11.1

1.73

0.95 – 3.14

0.07

Ever used a condom

   No

1984

(74.8)

6.0

1

   Yes

670

(25.2)

9.7

1.68

1.23–2.31

0.001

Perceived risk of HIV infection

   No risk

(33.6)

5.6

1

   Small risk

1006

(37.9)

7.4

1.34

0.92 – 1.94

0.13

   Moderate risk

119

(4.5)

10.1

1.89

0.97 – 3.66

0.06

   High risk

45

(1.7)

17.8

3.64

1.61 – 8.22

0.002

   Don't know

593

(22.3)

6.7

1.22

0.79 – 1.87

0.37