Explanatory variables

Parameter estimators

Standard error

Chi-Square

p-Value

Hazard ratio

Area of residence

−0.32996

0.05896

31.3204

<0.0001

0.719

Education 1

0.54800

0.20091

7.4396

0.0064

1.730

Education 2

0.98723

0.20295

23.6637

<0.0001

2.684

Education 3

1.44341

0.22071

42.7709

<0.0001

4.235

Knowledge of contraception

0.23638

1.01985

0.0537

0.8167

1.267

Age

0.06833

0.03079

4.9249

0.0265

1.071

Job

−0.07083

0.01017

1.6276

0.2020

0.932

Agelt

−0.03861

0.01017

14.3992

0.0001

0.962