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Objective

Efficient recruitment of participants plays a crucial role in clinical trials and investigators are increasingly tempted toward new e-recruitment initiatives. The aim of this study was to compare the number of patients enrolled, the retention rate and the baseline characteristics of participants recruited using three recruitment methods (E-recruitment, professional referrals and conventional methods).

Material and Methods

The comparison data were collected as part of a bi-centric, parallel group randomized controlled trial evaluating the efficacy of physiotherapy in comparison to topical lidocaine in 212 women suffering from provoked vestibulodynia. The three recruitment methods included: 1) E-recruitment (Facebook ads and Web pages), 2) Health professional referrals (physicians, gynecologists and physiotherapists) and 3) Conventional methods (ads in local newspapers, word of mouth, posters and leaflets in clinics, university, professional schools, restaurants, gyms, etc.). Women interested in participating were screened verbally by telephone and were assessed by one of our gynecologist to confirm their diagnosis. Structured interviews were undertaken to describe their baseline characteristics (age, pain intensity, duration of symptoms, frequency of intercourse, pain at first intercourse and use of oral contraceptive). Chi-square and one-way analysis of variances were used to compare the participants according to their recruitment methods.

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