Exercise: Caesarean section and obesity

The data on caesarean section used in the lecture can be downloaded from caesar.sav.

Questions about these data

1. Is there any evidence that mean BMI differs between women who had caesareans and women who did not?

2. Is there any evidence that previous vaginal delivery is related to the risk of a caesarean?

3. Is there any evidence that induction of labour is related to the risk of a caesarean?

4. Carry out a logistic regression using all three predictors of caesarean section. Do any of the predictors have an effect on the risk of a caesarean which is not explained by the other two?

Check answer to question 4.

5. What is the estimated difference in risk of a caesarean between two women with no history of vaginal delivery, both induced, and differing in BMI by one Kg/m²?

Check answer to question 5.

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Last updated: 12 December, 2006.