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The objective of this study is to investigate the willingness of pregnant women to participate in a randomized placebo-controlled clinical trial, and to explore the determinants of their decision making. Cross-sectional survey with semistructured interview and thematic content analysis of pregnant women in a tiertiary care obstetric outpatient clinic. Among the 50 women surveyed, 37 (74%; 95% confidence interval, 60-85%) indicated that they would be willing to participate in a randomized placebo-controlled trial of an injectable medicine given throughout pregnancy, while 5/50 (10%; 95% confidence interval, 3-22%) would decline to participate. Potential benefit to the health of the fetus was ranked as the most important determinant for willingness to participate (68%), followed by benefit to personal health (27%), and altruism (5%). A majority of pregnant women would be willing to participate in a randomized placebo-controlled clinical trial. Pregnant women appear to be willing to accept risks to themselves, if there is a chance that participation in a clinical trial would help their pregnancy and improve their baby's health.

We identified several key determinants that physicians believe influence whether and when they practice hand hygiene at work. These beliefs identify potential individual, team, and organization targets for behavior change interventions to improve physician hand hygiene compliance.