There was also a link to education, with a 19 % increase in risk for women who had some college education (compared to a high school education). Although the rate of PIH/pre-eclampsia was also higher for women with more than a college education, the difference was not significant. "These novel risks were independent of other risk factors, including adequacy of prenatal care," Dr. Moore adds.
The new information linking PIH/pre-eclampsia risk to the mother's social characteristics is an important first step to toward identifying new, nontraditional risk factors. "Although traditional risk factors for pre-eclampsia and PIH are well recognized, these diseases remain enigmatic, and there is no known effective way to reduce their incidence," says Dr. Moore. "Nontraditional risk factors may be of great importance in the design of future interventions to prevent the occurrence of PIH and pre-eclampsia, but data regarding these risk factors are scarce."
The data provided in the study were all self-reported, and are therefore subject to bias. Also, the study database did not include information on some potentially important factors, including the women's body weight and income level.
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| Contact: Shari Leventhal sleventhal@asn-online.org American Society of Nephrology Source:Eurekalert |