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A Facebook-Based Obesity Prevention Program for Korean American Adolescents: Usability Evaluation

 Bu Kyung Park  ;  Eun-Shim Nahm  ;  Valerie E. Rogers  ;  Mona Choi  ;  Erika Friedmann  ;  Marisa Wilson  ;  Gunes Koru 
 Journal of Pediatric Health Care, Vol.31(1) : 57-66, 2017 
Journal Title
 Journal of Pediatric Health Care 
Issue Date
Adolescent ; Adolescent Behavior*/psychology ; Adolescent Health Services*/trends ; Adolescent Health Services*/utilization ; Asian Americans*/psychology ; Cultural Competency ; Female ; Health Education/methods* ; Health Promotion*/trends ; Humans ; Internet ; Male ; Pediatric Obesity/epidemiology ; Pediatric Obesity/prevention & control* ; Program Development ; Program Evaluation* ; Social Media*/utilization ; United States/epidemiology ; User-Computer Interface
Facebook ; Pediatric obesity ; Web-based learning ; social media ; usability evaluation
INTRODUCTION: Adolescent obesity is one of the most serious global public health challenges. Social networking sites are currently popular among adolescents. Therefore, the obesity prevention program for Korean American adolescents was developed on the most popular social networking site, Facebook. The purpose of this study was to evaluate the usability of a culturally tailored Facebook-based obesity prevention program for Korean American adolescents (Healthy Teens). METHOD: An explorative descriptive design of usability testing was used. Usability testing employing one-on-one observation, the think-aloud method, audio taping, screen activity capture, and surveys was performed. Twenty participants were recruited from two Korean language schools (mean age, 15.40 ± 1.50 years). Recruitment and user testing was performed between February and April 2014. Content analysis, using the inductive coding approach, was performed by three coders to analyze transcriptions. Descriptive statistics were used to analyze quantitative data including demographic characteristics, perceived usability, eHealth literacy, and health behaviors. RESULTS: Testing revealed several usability issues in content, appearance, and navigation. Participants' comments regarding content were positive. Although the Facebook platform provided limited flexibility with respect to building the site, participants described the program's appearance as appropriate. Most participants did not experience difficulty in navigating the program. DISCUSSION: Our preliminary findings indicated that participants perceived the Healthy Teens program as usable and useful. This program could be used as a robust platform for the delivery of health education to adolescents. Further research is required to assess the effects of Facebook-based programs on adolescent obesity prevention.
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3. College of Nursing (간호대학) > Dept. of Nursing (간호학과) > 1. Journal Papers
Yonsei Authors
최모나(Choi, Mona) ORCID logo https://orcid.org/0000-0003-4694-0359
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