Maternal and perinatal characteristics of the study population, children born between 1994 and 1996 in Stockholm by maternal migration status.

Bolded numbers are statistically significant Comparing immigrant with counterpart Swedish mothers (T-test or chi-square for continuous or categorical variables): * p<0.05, ** p<0.01, *** p<0.001. Bolded numbers are statistically significant. 1Standard deviation. 2Body mass index. 3Smoking during pregnancy. 4Low BW = BW<2500 gram; High BW = BW≥4000 gram; Normal BW = 2500≤BW<4000 gram. 5Preterm = delivery<38 weeks; Post term = delivery> 42 weeks; Term = delivery between 38–42 weeks of gestation. 6SGA = small for gestational age; LGA = large for gestational age; AGA = appropriate for gestational age. Maternal and perinatal characteristics of the study population, children born between 1994 and 1996 in Stockholm by maternal migration status.