Factors associated with employment status before and during pregnancy: Implications for studies of pregnancy outcomes.
Carissa M RocheleauStephen J BertkeChristina C LawsonPaul A RomittiTania A DesrosiersA J AgopianErin BellSuzanne M Gilboanull nullPublished in: American journal of industrial medicine (2017)
Employment status was significantly associated with many common risk factors for adverse pregnancy outcomes. Pregnancy outcome studies should consider adjustment or stratification by employment status. In studies of occupational exposures, these differences may cause uncontrollable confounding if non-employed women are treated as unexposed instead of excluded from analysis. Am. J. Ind. Med. 60:329-341, 2017. © 2017 Wiley Periodicals, Inc.