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Table 3 Odds ratios for original and additional analyses

From: Teenage pregnancy: the impact of maternal adolescent childbearing and older sister’s teenage pregnancy on a younger sister

 

Without adjusting for educational achievement

Adjusting for educational achievement

 

OR

99 % CI

N

OR

99 % CI

N

Older sister had a teenage pregnancy

3.38

2.77–4.13

5619

2.48

2.01–3.06

5163

Mother had first child before age 20

1.57

1.30–1.89

4566

1.39

1.15–1.68

4487

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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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