Table 1 Classification of the independent variables

Region

1 = Tigray, 2 = Afar, 3 = Amhara, 4 = Oromia,, 5 = Somali,

6 = Benshangul G.,7 = SNNPE, 8 = Gambela, 9 = Harari, 10 = Addis Abeba and 11 = Dire Dew

Woman’s age

1 = 15–19, 2 = 20–24, 3 = 25–29, 4 = 30–34, 5 = 35–39, 6 = 40–44 and 7 = 45–49

Sex of household head

1 = Male,2 = Female

Women’s living child

1 = no, 2 = yes

Contraception using

1 = no,2 = yes

Place of residence

1 = urban, 2 = rural

Wealth index

1 = poorest, 2 = poorer, 3 = middle, 4 = richer and 5 = richest

Women’s work

1 = no employed, 2 = employed

Women’s education

1 = no education, 2 = primary,3 = secondary and 4 = higher

Religion

1 = Orthodox, 2 = Catholic, 3 = Protestant, 4 = Muslim,

5 = traditional and 6 = other

Marital status

1 = single, 2 = marriage, 3 = Separated/Divorced/Widowed

Husband education

1 = no education,2 = primary,3 = secondary,4 = higher,5 = don’t know

Husband work

1 = no employed and 2 = employed

Family size

Count

Age at first married (yrs)

Continuous

Age at first birth (yrs)

Continuous