Table 2 Multiple regression analysis of MCM use among Peruvian women of reproductive age

Age

 15–19

0.27

0.24–0.32***

1.39

1.20–1.59***

 20–34

1.04

0.99–1.10

1.30

1.23–1.37***

 35–49

Ref

Ref

Ref

Ref

Natural region

 Coast

0.92

0.86–0.98*

0.91

0.86–0.96**

 Highlands

0.87

0.81–0.93***

0.87

0.82–0.93***

 Rainforest

1.09

1.02–1.17*

0.96

0.90–1.03

 Metropolitan Lima

Ref

Ref

Ref

Ref

 Residence area

 Urban

1.04

0.99–1.10

0.96

0.91–1.02

 Rural

Ref

Ref

Ref

Ref

Marital status

 Never married

0.51

0.44–0.58***

1.15

0.99–1.33

 Married/Cohabitant

1.89

1.71–2.09***

1.87

1.69–2.06***

 Married but not together

Ref

Ref

Ref

Ref

Education

 No education/Primary

Ref

Ref

Ref

Ref

 Secondary

0.93

0.87–0.99*

1.12

1.05–1.19**

 Higher

1.01

0.94–1.09

1.23

1.13–1.34***

Employment status

 Unemployed

Ref

Ref

Ref

Ref

 Employed

1.10

1.04–1.17***

0.93

0.89–0.98**

Language

 Quechua/Aymara

0.80

0.72–0.88***

0.87

0.79–0.95**

 Spanish

Ref

Ref

Ref

Ref

 Other native and/or foreign languages

0.92

0.70–1.22

0.83

0.62–1.11

Wealth index

 Poorest

Ref

Ref

Ref

Ref

 Poor

1.16

1.09–1.23***

1.15

1.08–1.23***

 Middle

1.10

1.02–1.18**

1.17

1.08–1.28***

 Rich

1.12

1.03–1.21**

1.22

1.11–1.34***

 Richest

1.15

1.06–1.26***

1.33

1.19–1.48***

Age at first sexual intercourse

 Never had sexual intercourse

0.00

0.00–0.01***

0.00

0.00–0.01***

 < 18

1.58

1.36–1.83***

1.41

1.22–1.62***

 18–24

1.40

1.20–1.62***

1.29

1.12–1.49***

 ≥ 25

Ref

Ref

Ref

Ref

Number of children alive

 Has no children

0.37

0.32–0.43***

0.59

0.50–0.70***

 1–2

1.10

1.00–1.20*

0.88

0.79–0.98*

 3–4

1.26

1.15–1.38***

1.09

0.99–1.20

 ≥ 5

Ref

Ref

Ref

Ref

Family members

 ≤ 4

Ref

Ref

Ref

Ref

 > 4

1.06

1.01–1.12*

1.01

0.96–1.07