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Table 3 Predictors of unintended pregnancy using multinomial logistic regression, Rakai community cohort study, Uganda 2001–2013

From: Facing HIV infection and unintended pregnancy: Rakai, Uganda, 2001–2013

N = 2819

RISK FACTORS

Mistimed v. Intended

Unwanted v. Intended

Ambivalent v. Intended

RRR

95% Lower

95% Upper

P-value*

RRR

95% Lower

95% Upper

P-value*

RRR

95% Lower

95% Upper

P-value*

Sample Characteristics

Pre or Post ARV

 pre 2004

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 post 2004

0.68

0.55

0.83

<.001

0.31

0.23

0.41

<.001

0.51

0.29

0.88

0.016

Individual Characteristics

Age

 15–19

1.91

1.33

2.74

<.001

1.27

0.70

2.28

0.430

1.20

0.45

3.23

0.720

 20–24

1.20

0.96

1.50

0.113

0.36

0.23

0.57

<.001

0.58

0.29

1.17

0.129

 25–29

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 30–34

0.87

0.67

1.13

0.294

2.13

1.52

2.98

<.001

0.52

0.23

1.22

0.133

 35–39

0.88

0.60

1.30

0.517

3.50

2.31

5.29

<.001

1.04

0.43

2.55

0.927

 40–49

0.80

0.34

1.89

0.607

9.36

4.47

19.59

<.001

7.97

2.72

23.34

<.001

SES

 low

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 middle

0.97

0.76

1.24

0.813

0.98

0.69

1.39

0.896

1.19

0.64

2.23

0.578

 high

0.85

0.67

1.08

0.182

0.78

0.55

1.10

0.159

0.91

0.50

1.67

0.768

Education

 No school

1.24

0.78

1.96

0.370

1.48

0.81

2.73

0.203

1.54

0.53

4.48

0.430

 Primary school

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 Secondary schol or more

0.68

0.55

0.84

<.001

0.66

0.47

0.93

0.017

0.82

0.45

1.48

0.506

HIV Status

 Positive

0.84

0.60

1.19

0.328

2.44

1.65

3.61

<.001

2.07

1.03

4.18

0.041

Parity

 0

0.39

0.27

0.58

<.001

0.37

0.16

0.84

0.018

0.65

0.21

2.02

0.456

 1 or 2

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 3 or 4

1.48

1.15

1.90

0.002

2.20

1.43

3.38

<.001

1.08

0.50

2.31

0.844

 5+

1.36

1.07

1.72

0.011

3.34

2.25

4.95

<.001

1.14

0.54

2.41

0.722

Marriage Status

 never married

1.47

1.06

2.04

0.022

1.41

0.80

2.49

0.234

0.93

0.34

2.57

0.893

 married

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 separated or widowed

0.96

0.64

1.42

0.822

1.65

1.06

2.58

0.028

1.75

0.79

3.88

0.169

Number Sexual Partners Ever

 0–1

1.18

0.96

1.45

0.119

1.33

0.94

1.90

0.110

0.98

0.53

1.80

0.941

 2 or 3

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 4+

0.86

0.66

1.12

0.273

1.24

0.88

1.74

0.229

0.79

0.39

1.59

0.502