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Related Experiment Video

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'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake
04:46

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Published on: September 18, 2018

A practical, cost-effective method for recruiting people into healthy eating behavior programs.

Paul W McDonald1

  • 1Department of Health Studies and Gerontology, University of Waterloo, Waterloo, ON, N2L 3G1, Canada. pwmcdona@healthy.uwaterloo.ca

Preventing Chronic Disease
|March 17, 2007
PubMed
Summary

Classified newspaper ads are a cost-effective way to recruit participants for healthy eating programs. Tailoring messages to different motivation stages successfully engaged diverse individuals.

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Area of Science:

  • Public Health
  • Health Behavior Change
  • Health Communication

Background:

  • Limited reach and high costs hinder the population impact of healthy eating programs.
  • Current recruitment relies on mass media or clinic-based methods with restricted outreach.
  • There is a need for cost-efficient strategies to promote healthy eating initiatives.

Purpose of the Study:

  • To evaluate the effectiveness and efficiency of classified newspaper advertising for recruiting participants into healthy eating programs.
  • To assess if segmenting recruitment messages by transtheoretical stage of change improves engagement across motivation levels.

Main Methods:

  • Three distinct advertisements, tailored to different stages of change, were placed in a Canadian newspaper over five days in 1997.
  • Participant responses were analyzed to determine recruitment numbers and cost-effectiveness.
  • The correlation between message type and respondent's stage of change was examined.

Main Results:

  • 282 eligible participants were recruited at a cost of Can $1.11 (U.S. $0.72) per individual.
  • This recruitment cost is highly favorable compared to mass media and direct mail.
  • Message tailoring demonstrated success, with message type correlating to the respondent's stage of change.

Conclusions:

  • Classified newspaper advertisements represent a highly cost-efficient recruitment method for healthy eating programs.
  • This strategy effectively recruits a diverse range of participants for both programs and research.
  • Targeted messaging based on stages of change enhances engagement in health behavior initiatives.