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Randomized Controlled Trial
. 2015 Dec;85(12):861-70.
doi: 10.1111/josh.12342.

Twelve-Month Effects of the COPE Healthy Lifestyles TEEN Program on Overweight and Depressive Symptoms in High School Adolescents

Bernadette M Melnyk  1 , Diana Jacobson  2 , Stephanie A Kelly  3 , Michael J Belyea  4 , Gabriel Q Shaibi  5 , Leigh Small  6 , Judith A O'Haver  7 , Flavio F Marsiglia  8
Affiliations
Randomized Controlled Trial

Twelve-Month Effects of the COPE Healthy Lifestyles TEEN Program on Overweight and Depressive Symptoms in High School Adolescents

Bernadette M Melnyk et al. J Sch Health. 2015 Dec.

Abstract

Background: We evaluated the 12-month effects of the COPE (Creating Opportunities for Personal Empowerment) Healthy Lifestyles TEEN (Thinking, Emotions, Exercise, Nutrition) program versus an attention control program (Healthy Teens) on overweight/obesity and depressive symptoms in high school adolescents.

Methods: A cluster randomized controlled trial was conducted. Participants were 779 culturally diverse adolescents in the US Southwest. COPE is a cognitive-behavioral skills-building intervention with 20 min of physical activity integrated into a health course and taught by teachers once a week for 15 weeks. Outcome measures included body mass index (BMI) and depressive symptoms.

Results: COPE teens had a significantly lower BMI at 12 months (F(1,698) = 11.22, p = .001) than Healthy Teens (24.95 versus 25.48). There was a significant decrease in the proportion of overweight and obese COPE teens from baseline to 12 months (χ(2) = 5.40, p = .02) as compared with Healthy Teens. For youth who began the study with extremely elevated depressive symptoms, COPE teens had significantly lower depression at 12 months compared with Healthy Teens (COPE M = 42.39; Healthy Teens M = 57.90); (F(1 ,12) = 5.78, p = .03).

Conclusions: COPE can improve long-term physical and mental health outcomes in teens.

Keywords: depression; health behavior; health beliefs; mental health outcomes; obesity.

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Figures

Figure 1
Figure 1
Flow Diagram Lost to Follow up= any participant who does not participate in the final data collection (T3); *By definition, all missing data at the final time point are considered to be lost to follow up regardless of the reason.
Figure 2
Figure 2. Proportion of Overweight Adolescents at 12 Months Post-intervention
Covariates included race, weight, acculturation, and hours of television watched on a school day. -- -- -- COPE Teens ——— Healthy Teens
See this image and copyright information in PMC

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