Table 3: Multinomial Logistic Regression for Model 2.

 

Negative

Positive

 

B

SE

Wald

p.

Exp (B)

B

SE

Wald

p.

Exp (B)

Intercept

2.19

0.29

57.72

0.000

 

-4.96

1.12

19.76

0.000

 

Anal sex (No)

0.10

0.14

0.51

0.477

1.11

-0.24

0.32

0.58

0.448

0.79

Transaction sex (No)

0.10

0.07

2.05

0.152

1.10

0.16

0.16

1.03

0.310

1.18

Alcohol before sex (No)

0.01

0.05

0.05

0.827

1.01

-0.69

0.10

47.04

0.000

0.50

Condom use (Frequent use)

0.31

0.06

28.10

0.000

1.36

1.77

0.11

268.70

0.000

5.85

Number of partners (None)

-0.12

0.08

1.99

0.158

0.89

0.28

0.22

1.55

0.213

1.32

Number of partners (One)

-0.09

0.06

2.59

0.108

0.92

-0.13

0.15

0.70

0.402

0.88

Union (Polygamous)

1.20

0.07

336.11

0.000

3.31

0.43

0.16

7.11

0.008

1.54

Union (Non-polygamous)

1.15

0.04

663.15

0.000

3.15

0.69

0.11

42.53

0.000

2.00

Age

-0.02

0.00

312.19

0.000

0.98

0.02

0.00

23.67

0.000

1.02

Gender (Female)

0.80

0.04

438.57

0.000

2.22

1.61

0.10

255.91

0.000

5.01

Education: University

1.54

0.23

46.26

0.000

4.65

-0.80

1.04

0.60

0.438

0.45

Education: Secondary

0.84

0.07

150.98

0.000

2.31

0.10

0.19

0.30

0.587

1.11

Education: Primary

0.47

0.05

93.49

0.000

1.56

0.67

0.12

29.49

0.000

1.96

Region (Urban)

0.09

0.05

2.94

0.087

1.10

0.60

0.12

27.1

0.000

1.82

Wealth Quantile 1

-0.62

0.08

61.77

0.000

0.54

-0.43

0.19

5.25

0.022

0.65

Wealth Quantile 2

-0.41

0.08

28.80

0.000

0.66

-0.12

0.18

0.47

0.495

0.89

Wealth Quantile 3

-0.22

0.07

9.38

0.002

0.80

0.33

0.16

4.53

0.033

1.39

Wealth Quantile 4

-0.01

0.07

0.04

0.839

0.99

0.16

0.15

1.08

0.298

1.17

Age sex debut (< 15 years)

-0.53

0.10

29.91

0.000

0.59

0.25

0.25

0.95

0.33

0.78

Age sex debut (15-24 years)

-0.19

0.09

5.08

0.024

0.83

-0.06

0.22

0.08

0.781

0.94

Note: p < 0.05. The reference category for the outcome is unknown HIV status. The reference categories for the independent variables are those not in parentheses. Final Model Fitting χ2 = 2804.30, p = 0.000; Pearson χ2 (21636, N = 20,831) = 23748.6, p = 0.000; Deviance χ2 (21636, N = 20,831) = 16438.6, p = 1.000; Cox and Snell = 0.126; Nagelkerke pseudo R2 = 0.169; McFadden = 0.098.