Table 2 Risk ratios for child mortality by birth characteristic

Not in any risk category

1

1

1

First birth to mothers age 18-34

1.2

1.0

1.4

Mother’s age < 18

1.8

1.4

2.0

Mother’s age > 34

1.2

0.6

1.6

Birth interval < 24

1.6

1.3

1.9

Birth order > 3

1.2

1.0

1.4

Mother’s age <18 and birth interval < 24 months

2.8

1.4

3.2

Mother’s age > 34 and birth interval < 24 months

1.8

2.0

2.8

Mother’s age > 34 and birth order > 3

1.4

1.0

1.6

Mother’s age > 34 and birth interval < 24 months and birth order > 3

2.9

1.8

3.5

Birth interval < 24 months and birth order > 3

2.3

1.7

2.7