recruitment, screening, and baseline participant characteristics in the walk 2.0 study: a randomized controlled trial using web 2.0 applications to promote physical activity
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2016
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Abstract
Objective: To describe in detail the recruitment methods and enrollment rates, the screening methods, and the baseline characteristics of a sample of adults participating in the Walk 2.0 Study, an 18 month, 3-arm randomized controlled trial of a Web 2.0 based physical activity intervention.
Methods: A two-fold recruitment plan was developed and implemented, including a direct mail-out to an extract from the Australian Electoral Commission electoral roll, and other supplementary methods including email and telephone. Physical activity screening involved two steps: a validated single-item self-report instrument and the follow-up Active Australia Questionnaire. Readiness for physical activity participation was also based on a two-step process of administering the Physical Activity Readiness Questionnaire and, where needed, further clearance from a medical practitioner.
Results: Across all recruitment methods, a total of 1244 participants expressed interest in participating, of which 656 were deemed eligible. Of these, 504 were later enrolled in the Walk 2.0 trial (77% enrollment rate) and randomized to the Walk 1.0 group (n = 165), the Walk 2.0 group (n = 168), or the Logbook group (n = 171). Mean age of the total sample was 50.8 years, with 65.2% female and 79.1% born in Australia.
Conclusion: The results of this recruitment process demonstrate the successful use of multiple strategies to obtain a diverse sample of adults eligible to take part in a web-based physical activity promotion intervention. The use of dual screening processes ensured safe participation in the intervention. This approach to recruitment and physical activity screening can be used as a model for further trials in this area.
| Reference Key |
caperchione2016contemporaryrecruitment,
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| Authors | ;Cristina M. Caperchione;Mitch J. Duncan;Richard R. Rosenkranz;Corneel Vandelanotte;Anetta K. Van Itallie;Trevor N. Savage;Cindy Hooker;Anthony J. Maeder;W. Kerry Mummery;Gregory S. Kolt |
| Journal | ingenierías usbmed |
| Year | 2016 |
| DOI |
10.1016/j.conctc.2015.12.004
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| URL | |
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