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Maternal participant experience in a South African birth cohort study enrolling healthy pregnant women and their infants
Authors:Whitney Barnett  Kirsty Brittain  Katherine Sorsdahl  Heather J. Zar  Dan J. Stein
Affiliation:1.Department of Paediatrics and Child Health, Red Cross War Memorial Children’s Hospital, and Medical Research Council Unit on Child & Adolescent Health,University of Cape Town,Cape Town,South Africa;2.Alan J. Flisher Centre for Public Mental Health, Department of Psychiatry,University of Cape Town,Cape Town,South Africa;3.Department of Psychiatry and Mental Health,University of Cape Town,Cape Town,South Africa;4.Medical Research Council Unit on Anxiety & Stress Disorders,Cape Town,South Africa
Abstract:

Background

Critical to conducting high quality research is the ability to attract and retain participants, especially for longitudinal studies. Understanding participant experiences and motivators or barriers to participating in clinical research is crucial. There are limited data on healthy participant experiences in longitudinal research, particularly in low- and middle-income countries. This study aims to investigate quantitatively participant experiences in a South African birth cohort study.

Methods

Maternal participant experience was evaluated by a self-administered survey in the Drakenstein Child Health Study, a longitudinal birth cohort study investigating the early life determinants of child health. Pregnant mothers, enrolled during the second trimester, were followed through childbirth and the early childhood years. Satisfaction scores were derived from the participant experience survey and quantitatively analyzed; associations between satisfaction scores and sociodemographic variables were then investigated using a linear regression model.

Results

Data were included from 585 pregnant mothers (median age 26.6 years), who had participated in the study for a median time of 16 months. Overall participant satisfaction was high (median score 51/60) and associated with increased attendance of study visits. Reasons for participating were a belief that involvement would improve their health, their child’s health or the health of family and friends. Potential reasons for leaving the study were inconvenience, not receiving clinical or study results, and unexpected changes in study visits or procedures. Variables associated with higher overall satisfaction scores were no prior participation in research, higher socioeconomic status, less intensive follow-up schedules and having experienced stressful life events in the past year.

Conclusions

Satisfaction scores were high and associated with increased visit attendance. Participants’ perceived benefits of study participation, most notably the potential for an improvement in the health of their child, were a significant motivator to enroll and remain in the study. The consistent theme of perceived health benefits as a motivator to join and remain in the study raises the question of whether participation in research results in actual improvements in health.
Keywords:
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