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Article

Usability and Engagement Evaluation of an Unguided Online Program for Promoting a Healthy Lifestyle and Reducing the Risk for Eating Disorders and Obesity in the School Setting

1
FernFH Distance Learning University of Applied Sciences, Ferdinand Porsche Ring 3, 2700 Wiener Neustadt, Austria
2
Department for Child and Adolescent Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
*
Author to whom correspondence should be addressed.
Both authors contributed equally to this work.
Nutrients 2019, 11(4), 713; https://doi.org/10.3390/nu11040713
Received: 17 February 2019 / Revised: 22 March 2019 / Accepted: 24 March 2019 / Published: 27 March 2019
(This article belongs to the Special Issue Eating Disorders and Obesity: The Challenge for Our Times)
Implementing integrated online prevention to reduce the risk of both obesity and eating disorders, in the school setting, is a promising approach. The challenge is to develop highly user-friendly and motivating programs, to foster adherence and effectiveness. The purpose of this study was to evaluate the usability of such a universal prevention program for students aged 14–19 years, and to address engagement issues. A mixed-methods approach was chosen, consisting of a think-aloud task, a semi-structured interview, and a questionnaire including items on sociodemographic characteristics and the System Usability Scale (SUS). Usability tests were conducted in two rounds, with five adolescents participating per round. Mean score in the SUS was 92.5 of 100 points (range 85–100), in the second round, after some adaptations from the participants’ feedback. In the course of the think-aloud tasks and interviews, five major themes emerged—visual design, navigation, mode of transfer, content, and engagement conditions. Interesting headlines, gamification, and monitoring tools are crucial for engagement. Apart from the importance of using the program during school hours, the study showed that problems currently perceived as important by the target group, need to be considered and addressed, prior to offering them prevention programs, which highlights the importance of a user-centered design. View Full-Text
Keywords: usability study; online health intervention; adolescents; school setting; eating disorders; overweight; prevention; engagement; E-Mental Health usability study; online health intervention; adolescents; school setting; eating disorders; overweight; prevention; engagement; E-Mental Health
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MDPI and ACS Style

Nitsch, M.; Adamcik, T.; Kuso, S.; Zeiler, M.; Waldherr, K. Usability and Engagement Evaluation of an Unguided Online Program for Promoting a Healthy Lifestyle and Reducing the Risk for Eating Disorders and Obesity in the School Setting. Nutrients 2019, 11, 713. https://doi.org/10.3390/nu11040713

AMA Style

Nitsch M, Adamcik T, Kuso S, Zeiler M, Waldherr K. Usability and Engagement Evaluation of an Unguided Online Program for Promoting a Healthy Lifestyle and Reducing the Risk for Eating Disorders and Obesity in the School Setting. Nutrients. 2019; 11(4):713. https://doi.org/10.3390/nu11040713

Chicago/Turabian Style

Nitsch, Martina, Tanja Adamcik, Stefanie Kuso, Michael Zeiler, and Karin Waldherr. 2019. "Usability and Engagement Evaluation of an Unguided Online Program for Promoting a Healthy Lifestyle and Reducing the Risk for Eating Disorders and Obesity in the School Setting" Nutrients 11, no. 4: 713. https://doi.org/10.3390/nu11040713

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