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Recruitment of men to a multi-centre diabetes prevention trial: an evaluation of traditional and online promotional strategies
- Source :
- Trials, Vol 20, Iss 1, Pp 1-14 (2019), Trials
- Publication Year :
- 2019
- Publisher :
- BMC, 2019.
-
Abstract
- Background Effective interventions are required to prevent the current rapid increase in the prevalence of Type 2 diabetes. Clinical trials of large-scale interventions to prevent Type 2 diabetes are essential but recruitment is challenging and expensive, and there are limited data regarding the most cost-effective and efficient approaches to recruitment. This paper aims to evaluate the cost and effectiveness of a range of promotional strategies used to recruit men to a large Type 2 diabetes prevention trial. Methods An observational study was conducted nested within the Testosterone for the Prevention of Type 2 Diabetes (T4DM) study, a large, multi-centre randomised controlled trial (RCT) of testosterone treatment for the prevention of Type 2 diabetes in men aged 50–74 years at high risk of developing diabetes. Study participation was promoted via mainstream media—television, newspaper and radio; direct marketing using mass mail-outs, publicly displayed posters and attendance at local events; digital platforms, including Facebook and Google; and online promotions by community organisations and businesses. For each strategy, the resulting number of participants and the direct cost involved were recorded. The staff effort required for each strategy was estimated based on feedback from staff. Results Of 19,022 men screened for the study, 1007 (5%) were enrolled. The most effective recruitment strategies were targeted radio advertising (accounting for 42% of participants), television news coverage (20%) and mass mail-outs (17%). Other strategies, including radio news, publicly displayed posters, attendance at local events, newspaper advertising, online promotions and Google and Facebook advertising, each accounted for no more than 4% of enrolled participants. Recruitment promotions cost an average of AU$594 per randomised participant. The most cost-effective paid strategy was mass mail-outs by a government health agency (AU$745 per participant). Other paid strategies were more expensive: mail-out by general practitioners (GPs) (AU$1104 per participant), radio advertising (AU$1081) and newspaper advertising (AU$1941). Conclusion Radio advertising, television news coverage and mass mail-outs by a government health agency were the most effective recruitment strategies. Close monitoring of recruitment outcomes and ongoing enhancement of recruitment activities played a central role in recruitment to this RCT. Trial registration ANZCTR, ID: ACTRN12612000287831. Registered on 12 March 2012. Electronic supplementary material The online version of this article (10.1186/s13063-019-3485-2) contains supplementary material, which is available to authorized users.
- Subjects :
- Male
medicine.medical_specialty
Cost-Benefit Analysis
Psychological intervention
Medicine (miscellaneous)
Randomised controlled trials
law.invention
Newspaper
Social media
Recruitment strategies
03 medical and health sciences
0302 clinical medicine
Double-Blind Method
Randomized controlled trial
law
Advertising
Humans
Medicine
Testosterone
Pharmacology (medical)
Postal Service
030212 general & internal medicine
Diabetes prevention
Aged
Internet
lcsh:R5-920
business.industry
Patient Selection
Research
Attendance
Men’s health
Middle Aged
Clinical trial
Direct marketing
Diabetes Mellitus, Type 2
Family medicine
Observational study
business
Participant recruitment
lcsh:Medicine (General)
030217 neurology & neurosurgery
Subjects
Details
- Language :
- English
- ISSN :
- 17456215
- Volume :
- 20
- Issue :
- 1
- Database :
- OpenAIRE
- Journal :
- Trials
- Accession number :
- edsair.doi.dedup.....449ad8f89ecd1f09620ffeb06a66b9c3
- Full Text :
- https://doi.org/10.1186/s13063-019-3485-2