Comparison of black–white disparities in preterm birth between Canada and the United States

A higher risk of preterm birth among black women than among white women is well established in the United States. We compared differences in preterm birth between non-Hispanic black and white women in Canada and the US, hypothesizing that disparities would be less extreme in Canada given the different historical experiences of black populations and Canada's universal health care system.Using data on singleton live births in Canada and the US for...