Antonio Chaves, Sandra Arnáez, Gemma García-Soriano
The Effectiveness of a Cell Phone eHealth App in Changing Knowledge, Stigmatizing Attitudes, and Intention to Seek Help Associated With Obsessive-Compulsive Disorder: Pilot Questionnaire Study
JMIR mHealth and uHealth
annually us schools screen millions students body mass index bmi report results parents little experimental evidence potential benefits harms determine impact schoolbased bmi reporting weight status adverse outcomes weight stigmatization weightrelated perceptions behaviors among diverse student population cluster randomized clinical trial fit study 20142017 randomized 79 california schools bmi screening reporting group 1 bmi screening group 2 control bmi screening reporting group 3 grades 3 8 setting california elementary middle schools students grades 3 7 baseline participated 3 years modified intenttotreat protocol used data analysis conducted april 13 2017 march 26 2020 school staff assessed bmi spring among students groups 1 2 parents students group 1 sent bmi report fall 2 years changes bmi z score adverse outcomes based surveys conducted fall among students grades 4 8 baseline 1 2 years followup total 28 641 students 14 645 511 male grades 3 7 baseline participated study 3 years among 6534 16 622 students baseline bmi 85th percentile higher 393 bmi reporting effect bmi z score change 0003 95 ci 002 001 1 year 001 95 ci 002 003 2 years weight dissatisfaction increased among students bmi screened school 8694 students groups 1 2 among control participants 5674 students group 3 results effect bmi reporting adverse outcomes mixed compared control group 3 among students weighed school groups 1 2 weight satisfaction declined 2 years 011 95 ci 018 005 peer weight talk increased 1 year 005 95 ci 001009 however concerning weight control behaviors declined 1 year 006 95 ci 010 002 body mass index reports alone improve childrens weight status may decrease weight satisfaction improve student health schools consider investing resources evidencebased interventions clinicaltrialsgov identifier nct02088086