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Table 3 Multivariate multinomial logistic regression of factors associated with mistimed and unwanted pregnancies among women in three districts of Tanzania, 2011 (n = 2,054)

From: Predictors of mistimed, and unwanted pregnancies among women of childbearing age in Rufiji, Kilombero, and Ulanga districts of Tanzania

 

Mistimed pregnancy

Unwanted pregnancy

Variable

RRR

95%Confidence Interval (CI)

RRR

95%Confidence Interval (CI)

Age (years)

    

 <20 (ref)

1.00

1.00

 20–34

0.53**

0.35–0.83

0.63

0.34–1.17

 >34

0.35***

0.22–0.57

0.60

0.31–1.18

Marital status

    

 Married (ref)

1.00

1.00

 Ever married

0.93

0.66–1.32

1.14

0.72–1.81

 Single

2.24***

1.58–3.17

4.63***

2.99–7.15

Gravidity

    

 1 (ref)

1.00

1.00

 2–4

1.18

0.85–1.64

0.98

0.62–1.57

 >4

1.76**

1.19–2.61

2.65***

1.54–4.54

Religion

    

 Christian (ref)

1.00

1.00

 Muslim

0.85

0.68–1.06

0.71**

0.52–0.97

 Traditional/other

0.44**

0.20–0.97

0.51

0.14–1.84

District

    

 Kilombero (ref)

1.00

1.00

 Rufiji

0.96

0.70–1.31

0.78

0.51–1.20

 Ulanga

1.15

0.85–1.55

0.42**

0.24–0.72

Contraceptive use

    

 Not using (ref)

1.00

1.00

 Ever used

1.11

0.87–1.42

0.81

0.58–1.15

 Currently using

0.93

0.70–1.22

1.00

0.70–1.41

Inter–partner discussion about family planning

    

 Yes (ref)

1.00

1.00

 No

1.49***

1.20–1.84

1.48**

1.10–1.99

Education

    

 Never been to school (ref)

1.00

1.00

 Primary

1.14

0.87–1.49

0.83

0.58–1.18

 Secondary/higher

1.24

0.76–2.03

0.70

0.35–1.42

Socio-economic status

    

 Poor (ref)

1.00

1.00

 Middle

0.88

0.68–1.14

0.92

0.64–1.32

 Rich

0.85

0.64–1.13

1.02

0.69–1.49

Type of residence

    

 Rural (ref)

1.00

1.00

 Urban

1.09

0.83–1.45

0.77

0.54–1.09

  1. ***P < 0.001, **P < 0.05, RRR = Relative risk ratio; CI = Confidence interval; (ref) = Reference category.