Question: As a public health researcher, you investigate the association between cigarette smoking during pregnancy and congenital malformations in newborn infants. You include a cohort of 490 women who are followed prospectively during the entire course of their pregnancies. The resultant data are: 100 mothers smoked during their pregnancies. Of these mothers, 26 delivered malformed infants. In addition, 23 mothers who did not smoke during pregnancy delivered malformed infants. Based on the relative risk, smoking during pregnancy is a risk factor for delivering malformed infants. Question options: True False