Is drug insurance status an effect modifier in epidemiologic database studies? The case of maternal asthma and major congenital malformations

ConclusionThe increased risk of major congenital malformation associated with asthma was significantly higher among pregnant women publicly insured with social welfare than among those privately insured. As a result of this effect modification by drug insurance status, findings from Québec observational studies using databases mainly formed of patients publicly insured with social welfare may not be generalized to the entire population. Birth Defects Research (Part A), 2015. © 2015 Wiley Periodicals, Inc.
Source: Birth Defects Research Part A: Clinical and Molecular Teratology - Category: Perinatology & Neonatology Authors: Tags: Original Article Source Type: research