Using Online Computer Tailoring to Promote Physical Activity: A Randomized Trial of Text, Video, and Combined Intervention Delivery Modes

Using Online Computer Tailoring to Promote Physical Activity: A Randomized Trial of Text, Video, and Combined Intervention Delivery Modes

Website-delivered interventions are increasingly used to deliver physical activity interventions, yet problems with engagement and retention result in reduced effectiveness. Hence, alternative modes of online intervention delivery need to be explored. Therefore, this study aimed to evaluate the acce...

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Bibliographic Details
Published in:Journal of health communication Vol. 19; no. 12; pp. 1377 - 1392
Main Authors: Soetens, Katja C. M., Vandelanotte, Corneel, de Vries, Hein, Mummery, Kerry W.
Format: Journal Article
Language:English
Published: Philadelphia, PA Taylor & Francis Group 02-12-2014
Taylor & Francis
Taylor & Francis Ltd
Subjects:
Adult
Aged
Aged, 80 and over
Australia
Behavior modification
Biological and medical sciences
Clinical outcomes
Communication
Delivery. Postpartum. Lactation
Digital video
Effectiveness studies
Female
Follow-Up Studies
Gynecology. Andrology. Obstetrics
Health behavior
Health care
Health Promotion - methods
Health technology assessment
Humans
Internet
Interventionism
Male
Medical sciences
Middle Aged
Miscellaneous
Motor Activity
Physical activity
Physical fitness
Program Evaluation
Public health. Hygiene
Public health. Hygiene-occupational medicine
Text Messaging
Videotape Recording
Websites
Young Adult
Australia
Physical exercise
Human
Health promotion
Customization
Text
Video recording
Randomization
Computer
Clinical trial
Delivery
Computer aid
Public health
Communication
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Summary:Website-delivered interventions are increasingly used to deliver physical activity interventions, yet problems with engagement and retention result in reduced effectiveness. Hence, alternative modes of online intervention delivery need to be explored. Therefore, this study aimed to evaluate the acceptability and effectiveness of a computer-tailored physical activity intervention delivered on the Internet in 3 delivery modes: video, text, or both. Australian adults (N = 803), recruited through e-mail, were randomized into the three delivery modes and received personal physical activity advice. Intervention content was identical across groups. Repeated measures analyses of variance were used to compare the three groups regarding acceptability, website usability, and physical activity. Participants in the video group accepted the content of the physical activity advice significantly better (F = 5.59; p < .01), and spent significantly more time on the website (F = 21.19; p < .001) compared with the text and combination groups. Total physical activity improved significantly over time in all groups (F = 3.95; p < .01). Although the combination group increased physical activity the most, few significant differences between groups were observed. Providing video-tailored feedback has advantages over the conventional text-tailored interventions; however, this study revealed few behavioral differences. More studies, examining alternative delivery modes, that can overcome the limitations of the present study, are needed.
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ISSN:1081-0730
1087-0415
DOI:10.1080/10810730.2014.894597