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Psychol Sport Exerc. 2010 May 1;11(3):246-249.

Cost Analysis of Internet vs. Print Interventions for Physical Activity Promotion.

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  • 1University of Minnesota, School of Kinesiology, 209 Cooke Hall, 1900 University Avenue SE, Minneapolis, MN 55455, USA.



The objective of this study was to compare the costs associated with Internet and print-based physical activity interventions.


The costs associated with delivering tailored print and Internet-based interventions were estimated from a randomized controlled physical activity trial (n=167). The estimates were based on research assistant time sampling surveys, web development invoices, and other tracking procedures.


Web-development costs for the Internet intervention were $109,564. Taken together with the website hosting fees and staff costs, the cost per participant per month was $122.52 The cost of the print intervention was $35.81 per participant per month. However, in a break-even analysis, the Internet intervention became more cost-efficient, relative to the print intervention, when the total number of participants exceeded 352.


Relative to print-based interventions, Internet-based interventions may be a more cost efficient way to reach a large number of sedentary individuals.

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