Table 2 Relationship between number of boys and parental mortality controlling for parental demographics excluding marital status

Year

0.98 (0.97-0.98)

0.99 (0.99-0.99)

Age

1.11 (1.11-1.11)

1.09 (1.09-1.10)

Education

Compulsory education

1

1

Some secondary education

0.76 (0.74-0.78)

0.75 (0.73-0.77)

Completed secondary education

0.65 (0.64-0.67)

0.50 (0.48-0.52)

Some higher education

0.53 (0.52-0.55)

0.55 (0.53-0.57)

Master’s degree or higher

0.42 (0.40-0.44)

0.47 (0.43-0.52)

Number of children

1

1

1

2

0.69 (0.68-0.71)

0.69 (0.66-0.71)

3

0.65 (0.63-0.67)

0.61 (0.59-0.64)

4

0.67 (0.65-0.70)

0.60 (0.57-0.63)

5

0.68 (0.64-0.71)

0.59 (0.56-0.63)

Age at first birth

Below 19

1.34 (1.27-1.40)

1.33 (1.29-1.38)

20-22

1.19 (1.16-1.21)

1.10 (1.07-1.14)

23-25

1

1

26-29

0.91 (0.89-0.93)

0.97 (0.94-1.00)

30-34

0.86 (0.84-0.88)

0.94 (0.90-0.99)

Above 35

0.76 (0.73-0.79)

0.80 (0.74-0.86)

Children’s sex composition

Number of boys

1.00 (0.99-1.01)

1.00 (0.99-1.02)