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Pediatr Rep. 2015 Sep 28;7(3):6056. doi: 10.4081/pr.2015.6056. eCollection 2015 Sep 28.

Lessons from Prenatal Care Provider-Based Recruitment into the National Children's Study.

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University of Arkansas for Medical Sciences - Northwest , Fayetteville, AR, USA.


In response to recruitment difficulties experienced by the National Children's Study, alternatives to the door-to-door recruitment method were pilot tested. This report describes outcomes, successes, and challenges of recruiting women through prenatal care providers in Benton County, Arkansas, USA. Eligible women residing in 14 randomly selected geographic segments were recruited. Data were collected during pregnancy, at birth, and at 3, 6, 9, 12, 18, and 24 months postpartum. Participants were compared to non-enrolled eligible women through birth records. Of 6402 attempts to screen for address eligibility, 468 patients were potentially eligible. Of 221 eligible women approached to participate, 151 (68%) enrolled in the 21-year study. Enrolled women were similar to non-enrolled women in age, marital status, number of prenatal care visits, and gestational age and birth weight of the newborn. Women enrolled from public clinics were more likely to be Hispanic, lower educated, younger and unmarried than those enrolled from private clinics. Sampling geographic areas from historical birth records failed to produce expected equivalent number of births across segments. Enrollment of pregnant women from prenatal care providers was successful.


National Children’s Study; birth-cohort; geographic sampling; prenatal care; provider-based recruitment; retention

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