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Testing a Web-Based Interactive Comic Tool to Decrease Obesity Risk Among Racial and Ethnic Minority Preadolescents: Randomized Controlled Trial

Testing a Web-Based Interactive Comic Tool to Decrease Obesity Risk Among Racial and Ethnic Minority Preadolescents: Randomized Controlled Trial

The primary purpose of this pilot study was to assess the feasibility and participant acceptability of Intervention INC (Interactive Nutrition Comics for Urban, Minority Preadolescents), an interactive, web-based health promotion tool. In addition, this study aimed to explore tool effectiveness by determining if it improved attitudes, beliefs, and behaviors related to obesity.

May May Leung, Katrina F Mateo, Marlo Dublin, Laura Harrison, Sandra Verdaguer, Katarzyna Wyka

JMIR Form Res 2025;9:e58460

Passive Sensing of Preteens’ Smartphone Use: An Adolescent Brain Cognitive Development (ABCD) Cohort Substudy

Passive Sensing of Preteens’ Smartphone Use: An Adolescent Brain Cognitive Development (ABCD) Cohort Substudy

Screen use, including a myriad of behaviors displayed using or in front of a digital device, may relate to cognitive and neurodevelopmental outcomes even in young children and preadolescents, especially among those who report high use (5 or more hours per day of screen use; [4,5]). For example, previous research suggests that childhood screen use may be associated with both positive and negative neurodevelopmental correlates, depending on individual differences [6].

Natasha E Wade, Joseph M Ortigara, Ryan M Sullivan, Rachel L Tomko, Florence J Breslin, Fiona C Baker, Bernard F Fuemmeler, Katia Delrahim Howlett, Krista M Lisdahl, Andrew T Marshall, Michael J Mason, Michael C Neale, Lindsay M Squeglia, Dana L Wolff-Hughes, Susan F Tapert, Kara S Bagot, ABCD Novel Technologies Workgroup

JMIR Ment Health 2021;8(10):e29426

Preadolescent Students’ Engagement With an mHealth Intervention Fostering Social Comparison for Health Behavior Change: Crossover Experimental Study

Preadolescent Students’ Engagement With an mHealth Intervention Fostering Social Comparison for Health Behavior Change: Crossover Experimental Study

The aim of this study is to strengthen the empirical evidence on the impact of one specific technique (ie, social comparison) for engaging a specific target group—in our case, preadolescents (ie, 10- to 13-year-olds). We have chosen to target preadolescents because application of interventions at this stage in life will likely also impact health at a later stage, particularly because newly adopted lifestyle behaviors will track into adulthood [3].

Raoul Ceasar Yannic Nuijten, Pieter Van Gorp, Tom Borghouts, Pascale Le Blanc, Pauline Van den Berg, Astrid Kemperman, Ehsan Hadian, Monique Simons

J Med Internet Res 2021;23(7):e21202