Results of a multi-media multiple behavior obesity prevention program for adolescents.
BACKGROUND
This study reports on effectiveness trial outcomes of Health in Motion, a computer tailored multiple behavior intervention for adolescents.


METHODS
Using school as level of assignment, students (n=1800) from eight high schools in four states (RI, TN, MA, and NY) were stratified and randomly assigned to no treatment or a multi-media intervention for physical activity, fruit and vegetable consumption, and limited TV viewing between 2006 and 2007.


RESULTS
Intervention effects on continuous outcomes, on movement to action and maintenance stages, and on stability within action and maintenance stages were evaluated using random effects modeling. Effects were most pronounced for fruit and vegetable consumption and for total risks across all time points and for each behavior immediately post intervention. Co-variation of behavior change occurred within the treatment group, where individuals progressing to action or maintenance for one behavior were 1.4-4.2 times more likely to make similar progress on another behavior.


CONCLUSIONS
Health in Motion is an innovative, multiple behavior obesity prevention intervention relevant for all adolescents that relies solely on interactive technology to deliver tailored feedback. The outcomes of the effectiveness trial demonstrate both an ability to initiate behavior change across multiple energy balance behaviors simultaneously and feasibility for ease of dissemination.
Mauriello
Leanne M
LM
Pro-Change Behaviors Systems, Inc., P. O. Box 755, West Kingston, RI 02892, USA. lmauriello@prochange.com
Ciavatta
Mary Margaret H
MM
Paiva
Andrea L
AL
Sherman
Karen J
KJ
Castle
Patricia H
PH
Johnson
Janet L
JL
Prochaska
Janice M
JM
D000293:Adolescent; D001521:Behavior Therapy / Q000379:methods*; D015992:Body Mass Index; D003194:Computer-Assisted Instruction; D004032:Diet; D006293:Health Promotion / Q000379:methods*; D006801:Humans; D008297:Male; D009043:Motor Activity; D019212:Multimedia; D009765:Obesity / Q000517:prevention & control*; D015397:Program Evaluation; D012574:Schools; D014481:United States
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