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Table 3 Multinomial logistic regression of correlates of extramarital affairs in Ifakara, Tanzania (N = 3711)

From: Linking gender, extramarital affairs, and HIV: a mixed methods study on contextual determinants of extramarital affairs in rural Tanzania

Covariate

All adults

Males

Females

RRR

95% CI

P-value

RRR

95% CI

P-value

RRR

95% CI

P-value

Lower limit

Upper limit

Lower limit

Upper limit

Lower limit

Upper limit

Outcome category 1: extramarital affairs in lifetime

 Males (ref = females)

1.27

1.06

1.52

0.007

 Age (increment: +10 years)

0.98

0.98

0.99

0.000

1.00

0.99

1.01

0.688

0.97

0.96

0.98

0.000

 Had formal education (ref = no formal education)

1.15

0.90

1.45

0.213

1.00

0.62

1.61

0.997

1.16

0.90

1.51

0.252

 Perfom any income activity (ref = doesn’t performs)

1.15

0.97

1.35

0.107

1.47

0.96

2.27

0.073

1.20

0.99

1.45

0.058

 Ethnic group (ref = northern western)

  Northern eastern

1.09

0.67

1.77

0.730

1.30

0.62

2.76

0.487

0.83

0.41

1.65

0.590

  Southern

1.53

1.14

2.06

0.005

0.87

0.54

1.43

0.593

2.08

1.42

3.05

0.000

  VICOBA membership (ref = non-member)

1.35

1.08

1.69

0.009

1.89

0.98

3.70

0.058

1.29

1.02

1.64

0.037

  Re-married (ref = not re-married)

2.50

2.07

3.02

0.000

1.23

0.90

1.68

0.197

3.78

2.96

4.84

0.000

  Drunk alcohol (ref = never)

1.54

1.29

1.82

0.000

1.38

1.08

1.79

0.011

1.64

1.32

2.04

0.000

  Never had VCT (ref = ever)

0.87

0.74

1.03

0.099

0.91

0.67

1.25

0.570

0.86

0.71

1.04

0.131

 Religion (ref = Muslim)

  Christian-catholic

0.82

0.71

0.95

0.008

0.87

0.67

1.13

0.305

0.80

0.66

0.96

0.015

  Other

0.52

0.39

0.70

0.000

0.69

0.41

1.17

0.172

0.42

0.29

0.61

0.000

  Other/none

0.42

0.13

1.32

0.138

0.71

0.12

4.38

0.715

0.35

0.07

1.69

0.190

  Constant

2.58

1.59

4.19

0.000

2.62

1.02

6.78

0.046

2.46

1.37

4.44

0.003

Outcome category 2: extramarital affairs in past 12 months

 Males (ref = females)

5.26

3.85

7.14

0.000

 Age (increment: +10 years)

0.95

0.94

0.96

0.000

0.95

0.94

0.97

0.000

0.95

0.93

0.97

0.000

 Had formal education (ref = no formal education)

1.23

0.78

2.0

0.387

1.16

0.86

1.96

0.710

1.54

2.78

0.83

0.172

 Performs any income-generating activity (ref = doesn’t performs)

2.70

1.64

4.35

0.000

6.25

1.45

25.0

0.014

2.17

1.25

3.70

0.006

 Ethinic group (ref = northern western)

  Northern eastern

1.37

0.62

3.02

0.438

1.31

0.50

3.44

0.579

2.52

0.39

16.30

0.332

  Southern

1.23

0.71

2.12

0.462

0.77

0.40

1.48

0.428

3.31

0.78

14.05

0.104

  VICOBA membership (ref = non-member)

2.63

1.72

4.0

0.000

5.0

2.38

11.11

0.000

2.04

1.19

3.45

0.009

  Remarried (ref = not)

2.41

1.69

3.43

0.000

1.27

0.79

2.06

0.328

4.27

2.53

7.21

0.000

  Drunk alcohol (ref = never)

2.5

1.85

3.33

0.000

2.5

1.69

3.70

0.000

2.5

1.49

4.1

0.000

  Ever had VCT (ref = never)

0.87

0.63

1.19

0.373

0.72

0.47

1.09

0.120

1.20

0.72

1.99

0.478

 Religion (ref = Muslim)

  Christian-catholic

0.91

0.68

1.23

0.558

0.87

0.59

1.30

0.498

1.05

0.66

1.68

0.830

  Other

0.59

0.33

1.08

0.088

0.80

0.38

1.65

0.539

0.25

0.06

1.07

0.061

  Other/none

0.99

0.20

4.99

0.988

1.74

0.26

11.60

0.566

0.00

0.00

0.978

  Constant

9.06

3.67

22.40

0.000

26.56

7.51

93.99

0.000

0.32

0.05

1.94

0.217

  1. Italic values are statistically signiicant (P < 0.05)