Table 2 The association between socio-demographic factors and maternal health service utilization in Lao PDR (2000, 2012)

 Non-Lao ethnic

0.56^c

0.47–0.66

0.71^c

0.59–0.85

 Primary

2.32^c

1.97–2.74

1.40^c

1.12–1.70

 Secondary and higher

4.58^c

3.70–5.68

3.71^c

2.96–4.65

 Rural

0.36^c

0.29–0.43

0.29^c

0.24–0.35

 Second quintile

1.81^c

1.50–2.18

2.22^c

1.76–2.80

 Third quintile

2.37^c

1.92–2.92

3.58^c

2.80–4.57

 Fourth quintile

2.75^c

2.16–3.51

5.07^c

3.87–6.63

 Richest quintile

3.41^c

2.53–4.59

8.21^c

5.99–11.27

 20–29

1.27^b

1.04–1.55

0.82

0.66–1.01

 30–39

1.13

0.90–1.42

0.80^*

0.61-0.99

 40–49

0.87

0.59–1.27

0.68

0.44–1.04

 Non media access

0.51^c

0.43–0.62

0.70^b

0.56–0.88

 Phongsaly

0.32^c

0.19–0.56

0.35^c

0.20–0.61

 Luangnamtha

1.45

0.84–2.51

0.89

0.52–1.52

 Oudomxay

0.61^a

0.37-0.99

0.46^b

0.28–0.76

 Bokeo

0.65

0.39–1.08

0.76

0.46–1.25

 Huaphanh

0.53^a

0.33-0.87

0.58^a

0.36-0.94

 Luangprabang

0.72

0.44–1.17

0.44^b

0.26–0.72

 Xayabury

1.14

0.69–1.90

0.46^b

0.28–0.75

 Xiengkhuang

0.69

0.42–1.16

0.57^a

0.35-0.87

 Vientiane province

1.04

0.63–1.72

0.54^a

0.34-1.14

 Borikhamxay

0.53^a

0.32-0.89

0.70

0.43–1.14

 Khammuane

0.46^b

0.29–0.75

0.45^b

0.28–0.72

 Savannakhet

0.57^a

0.36-0.90

0.54^b

0.35–0.83

 Saravane

0.77

0.48–1.22

0.65

0.41–1.01

 Sekong

0.63

0.38–1.01

0.41^c

0.25–0.67

 Champasak

0.30^c

0.19–0.48

0.33^c

0.22–0.51

 Attapeu

0.49^b

0.30–0.82

0.19^c

0.11–0.33

 2012

1.11^c

1.09–1.12

1.10^c

1.08–1.11

Constant

2.41e-88

7.8e-102-7.4e-75

4.05e-80

3.3e-95-4.96e-65