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Long-Term Predictors of Blood Pressure Among Adolescents During an 18-Month School-Based Obesity Prevention Intervention
- Long-Term Predictors of Blood Pressure Among Adolescents During an 18-Month School-Based Obesity Prevention Intervention
- Kim, Nayoung; Seo, Dong-Chul; King, Mindy H.; Lederer, Alyssa M.; Sovinski, Danielle
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- JOURNAL OF ADOLESCENT HEALTH
- 1054-139X; 1879-1972
- vol. 55, no. 4, pp. 521 - 527
- Blood pressure; School health; Longitudinal cohort; Obesity intervention
- ELSEVIER SCIENCE INC
- SCI; SCIE; SSCI; SCOPUS
- Purpose: To evaluate the effectiveness of the HEROES (Healthy, Energetic, Ready, Outstanding, Enthusiastic Schools) initiative, a multicomponent school-based obesity prevention intervention based on the Centers for Disease Control and Prevention's coordinated school health approach, on the improvement of blood pressure (BP) and to determine long-term predictors of systolic and diastolic BP changes among high school students who were exposed to the intervention. Methods: Biometric and behavioral data from high school students were analyzed at baseline, 6, 12, and 18 months (N = 847, three schools). The attrition rate at 18 months was 26.1%. Sequential generalized estimating equation models were fit to the data using SAS 9.3, taking into account clustering effects within the same school and correlations within repeated measures. Results: A significant downward trend was observed in systolic BP (p = .0006) and diastolic BP (p < .0001) among the students who were exposed to the HEROES initiative. The prevalence of hypertension decreased from 17.1% at baseline to 12.8% at 6 months (p < .0001), 12.0% at 12 months (p < .0001), and 15.0% (p = .0024) at 18 months. Baseline body mass index, increases in body mass index percentiles, and increases of television-viewing hours were associated with BP increases. Increases in frequencies of eating french fries or chips, skipping breakfast, and consuming supersize meals when eating fast food were predictive of systolic BP changes, not of diastolic BP changes. Conclusions: An 18-month multicomponent school-based obesity intervention program may be effectively used to decrease rates of high BP among adolescents. (C) 2014 Society for Adolescent Health and Medicine. All rights reserved.
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