From: Changes in the distribution of high-risk births associated with changes in contraceptive prevalence
Risk Factor | Mean | Median | Range |
---|---|---|---|
Not in any risk category | 25% | 25% | 9-43% |
First birth to mothers age 18-34 | 19% | 17% | 8-52% |
Mother’s age < 18 | 6% | 6% | 0.5-17% |
Mother’s age > 34 | 1% | 1% | 0.1-6% |
Birth interval < 24 | 8% | 7% | 3-19% |
Birth order > 3 | 20% | 21% | 1-33% |
Mother’s age <18 and birth interval < 24 months | 0.6% | 0.5% | 0-2.2% |
Mother’s age > 34 and birth interval < 24 months | 0.1% | 0.1% | 0-0.6% |
Mother’s age > 34 and birth order > 3 | 10% | 10% | 1-18% |
Mother’s age > 34 and birth interval < 24 months and birth order > 3 | 2% | 2% | 0-6.5% |
Birth interval < 24 months and birth order > 3 | 7% | 6% | 1-20% |