Table 1 Adjusted logistic regression result on the association of predictor and outcome variables

 Poorest

1

1

1

 Poorer

1.24 [0.88–1.73]

1.27 [0.91–1.76]

1.25 [0.92–1.71]

 Middle

1.84 [1.33–2.56]**

1.45 [1.06–2.0]*

1.47 [1.07–2.01]*

 Richer

1.78 [1.27–2.48]**

1.78 [1.28–2.47]**

1.83 [1.33–2.52]**

 Richest

1.84 [1.11–3.05]*

2.46 [1.56–3.89]**

2.46 [1.57–3.86]**

 No education

1

1

1

 Primary education

1.13 [0.87–1.47]

1.08 [0.84–1.40]

1.02 [0.79–1.32]

 Secondary education

2.05 [1.02–4.12]*

1.03 [0.56–1.87]

1.14 [0.62–2.1]

 Higher education

4.60 [1.29–9.03]*

1.59 [0.63–4.01]

2.35 [0.8–6.87]

 No education

1

1

1

 Primary education

1.05 [0.82–1.33]

1.06 [0.83–1.34]

1.16 [0.92–1.47]

 Secondary education

1.26 [0.78–2.04]

1.35 [0.89–2.07]

1.82 [1.19–2.78]*

 Higher education

1.5 [0.47–2.22]*

1.31 [0.68–2.53]

1.34 [0.71–2.55]

 Orthodox

1

1

 Protestant

1.87 [1.39–2.51]**

1.78 [1.32–2.38]**

 Muslim

1.44 [1.13–1.84]**

1.48 [1.15–1.90]**

 Other

1.33 [0.48–3.71]

1.06 [0.43–2.6]

 15–19

1

1

1

 20–24

0.99 [0.58–1.69]

0.69 [0.42–1.12]

0.95 [0.59–1.51]

 25–29

1.09 [0.62–1.92]

0.66 [0.4–1.11]

1.00 [0.61–1.65]

 30–34

1.21 [0.65–2.25]

0.85 [0.47–1.51]

1.04 [0.6–1.82]

 35–39

0.52 [0.27–1.02]

0.47 [0.25–0.88]*

0.76 [0.42–1.38]

 40–44

0.89 [0.42–1.88]

0.75 [0.37–1.52]

1.32 [0.68–2.55]

 45–49

0.39 [0.12–1.25]

0.54 [0.2–1.48]

0.74 [0.3–1.8]

 Less than 6

1

1

1

 6 and above

1.09 [0.84–1.43]

0.81 [0.63–1.04]

0.87 [0.69–1.11]

 Less than 3

1

 3 & above

0.87 [0.64–1.18]

 First

1

1

1

 Second

0.85 [0.58–1.24]

0.92 [0.65–1.28]

0.69 [0.49–0.98]*

 Third

0.73 [0.47–1.12]

1.21 [0.82–1.78]

0.72 [0.49–1.06]

 Fourth & above

0.80 [0.52–1.22]

0.93 [0.63–1.39]

0.68 [0.46–1.01]

 Wanted no more

1

1

1

 Wanted then

1.40 [0.95–2.07]

1.33 [0.9–1.98]

1.40 [0.96–2.03]

 Wanted later

1.25 [0.8–1.96]

1.13 [0.73–1.76]

1.28 [0.84–1.96]

  < 6 month

1

1

1

 6 month–11 month

2.09 [1.27–3.43]**

1.83 [1.2–2.79]*

1.72 [1.1–2.69]*

 12 month–23 month

2.23 [1.40–3.55]**

1.52 [1.02–2.28]*

1.73 [1.14–2.61]*

 24 month–35 month

2.04 [1.26–3.32]**

1.48 [0.99–2.23]

1.90 [1.24–2.91]**

 36 month–47 month

2.37 [1.43–3.93]**

1.20 [0.79–1.92]

1.32 [0.85–2.05]

 48 month–59 month

1.57 [0.9–2.77]

1.25 [0.08–1.92]

1.49 [0.95–2.34]

 Yes

1

1

1

 No

0.93 [0.73–1.18]

1.02 [0.81–1.29]

1.03 [0.82–1.29]

 No

1

1

1

 Yes

0.99 [0.62–1.59]

1.92 [1.30–2.82]**

1.27 [0.85–1.9]

 Big problem

1

1

 Not a big problem

1.24 [0.98–1.58]

1.26 [1.01–1.57]*

 Urban

1

1

1

 Rural

0.69 [0.45–1.05]

0.97 [0.65–1.44]

0.80 [0.54–1.17]