Table 4 Bivariate analysis with Cox proportional hazard model of independent variables on the time of resumption or initiation of contraceptive after delivery

Respondent current age

0.98

0.97–0.98

< 0.001

Total children ever born

0.94

0.93–0.95

< 0.001

Number of antenatal visits

1.09

1.06–1.13

< 0.001

Ideal number children

0.91

0.89–0.93

< 0.001

Timing of 1st antenatal care

0.94

0.92–0.96

< 0.001

Age in 5 - year groups

0.89

0.87–0.91

< 0.001

Number of household members

0.93

0.92–0.95

< 0.001

Number children under5 in household

1.09

1.04–1.14

< 0.001

Antenatal care provider

 Medical doctor

—

—

 No antenatal care

0.69

0.52–0.91

0.008

 Nurse/midwife

1.02

0.88–1.19

0.8

Last child delivered by

 Medical doctor

—

—

 Nurse/midwife

0.90

0.84–0.97

0.005

 Other

0.52

0.45–0.61

< 0.001

Place of last delivery

 Health center

—

—

 Home

0.53

0.46–0.63

< 0.001

 Other

0.75

0.58–0.98

0.033

 Private clinic/polyclinic

0.83

0.66–1.05

0.12

 Provincial/district hospital

1.06

0.99–1.13

0.12

 Referral hospital

1.02

0.89–1.16

0.8

Religion

 Adventist

—

—

 Catholic

1.15

1.04–1.27

0.005

 Muslim

1.26

1.00–1.58

0.047

 Other

0.89

0.70–1.14

0.4

 Protestant

0.99

0.90–1.09

0.8

Current marital status

 Married/Living with partner

—

—

 Never in union

0.54

0.48–0.60

< 0.001

 Widowed/Divorced/Separated

0.46

0.41–0.52

< 0.001

Highest Level of education

 No Education

—

—

 Primary

1.38

1.24–1.53

< 0.001

 Secondary

1.42

1.26–1.60

< 0.001

 Higher

1.32

1.11–1.58

0.002

Wealth Category

 Poorest

—

—

 Poorer

1.11

1.02–1.22

0.020

 Middle

1.15

1.05–1.25

0.003

 Richer

1.06

0.97–1.17

0.2

 Richest

0.97

0.89–1.07

0.6

Type pf Residence

 Rural

—

—

 Urban

0.90

0.84–0.97

0.007

Had terminated pregnancy

 No

—

—

 Yes

0.87

0.80–0.95

0.001

Delivered by caesarean section

 No

—

—

 Yes

1.27

1.17–1.38

< 0.001

Have medical insurance

 No

—

—

 Yes

1.24

1.14–1.34

< 0.001

Problem getting money for medical

 No

—

—

 Yes

0.89

0.84–0.94

< 0.001

Problem distance to health facility

 No

—

—

 Yes

0.89

0.83–0.96

0.002

Respondent currently working

 No

—

—

 Yes

1.02

0.95–1.10

0.6

Province & Region

 Kigali

—

—

 South

1.17

1.05–1.31

0.005

 West

0.89

0.79–0.99

0.035

 North

1.34

1.19–1.50

< 0.001

 East

1.22

1.10–1.36

< 0.001

Sex of household head

 Male

—

—

 Female

0.64

0.59–0.68

< 0.001