Table 2 Multivariable logistic regression models of modern contraceptive use among women aged 15–49 years after Kenya’s 2010 abortion law liberalization

Effect of change of abortion law (intervention group*post intervention period)

 Old abortion law

Ref

Ref

 New abortion law

1.22 (1.11, 1.34)***

1.24 (1.15, 1.34)***

Control variables

 Number of living children

1.15 (1.13, 1.16)***

1.14 (1.13, 1.15)***

 Age in years

0.98 (0.97, 0.98)***

0.98 (0.97, 0.98)***

Residence

 Urban

Ref

Ref

 Rural

0.86 (0.81, 0.91)***

0.87 (0.82, 0.93)***

Educational level

 No education

Ref

Ref

 Primary education

2.12 (1.97, 2.25)***

1.85 (1.73, 1.99)***

 Secondary education

2.53 (2.32, 2.76)***

2.33 (2.13, 2.54)***

 Higher education

3.13 (2.78, 3.53)***

3.00 (2.67, 3.37)***

Wealth index

 Poorest

Ref

Ref

 Poorer

1.54 (1.44, 1.65)***

1.44 (1.34, 1.55)***

 Middle

1.87 (1.74, 2.00)***

1.70 (1.58, 1.82)***

 Richer

2.19 (2.03, 2.36)***

2.04 (1.90, 2.20)***

 Richest

2.23 (2.03, 2.44)***

2.17 (1.98, 2.37)***

Marital Status

 Married/living with partner

Ref

Ref

 Never in union

0.14 (0.13, 0.15)***

0.16 (0.15, 0.17)***

 Widowed/divorced/separated

0.57 (0.54, 0.61)***

0.63 (0.59, 0.67)***

Religion

 Christianity

Ref

 Islamic

0.88 (0.81, 0.95)**

 Others

0.47 (0.40, 0.56)***

Visited by FP worker in the past 12 months

 No

Ref

 Yes

1.18 (1.08, 1.29)***

Heard of FP in media in the past few months

 No

Ref

 Yes

1.26 (1.20, 1.32)***

Covered by health insurance

 No

Ref

 Yes

1.09 (0.98, 1.21)