Low socioeconomic status is associated with a higher incidence of unintended pregnancy, despite the removal of cost barriers, a recent study found. The secondary analysis of data from the Contraceptive CHOICE project from 2007 to 2011 included 9,256 participants recruited and followed for up to 3 years. Primary outcome was unintended pregnancy with the primary exposure variable as low socioeconomic status. 4 contraceptive groups were evaluated: 1) long-acting reversible contraceptive method; 2) depot medroxyprogesterone acetate injection; 3) oral contraceptive pills, a transdermal patch, or a vaginal ring; or 4) other or no method. Researchers found:
- There were 515 unintended pregnancies among participants with low socioeconomic status during 14,001 women-years of follow-up vs 200 unintended pregnancies during 10,296 women-years among those without low socioeconomic status.
- Women with low socioeconomic status were more likely to have an unintended pregnancy (HR, 1.8).
- After adjusting for age, education level, insurance status, and history of unintended pregnancy, low socioeconomic status was associated with increased risk of unintended pregnancy (aHR, 1.4).
Iseyemi A, Zhao Q, McNicholas C, Peipert JF. Socioeconomic status as a risk factor for unintended pregnancy in the Contraceptive CHOICE project. [Published online ahead of print August 4, 2017]. Obstet Gynecol. doi:10.1097/AOG.0000000000002189.
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