Cardiovascular risk factors in multi-ethnic middle school students

The HEALTHY primary prevention trial

S. M. Willi, Kathryn Hirst, R. Jago, J. Buse, F. Kaufman, L. El Ghormli, S. Bassin, D. Elliot, Daniel Hale

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Objective: The objective of this study was to examine the effects of an integrated, multi-component, school-based intervention programme on cardiovascular disease (CVD) risk factors among a multi-ethnic cohort of middle school students. Methods: HEALTHY was a cluster randomized, controlled, primary prevention trial. Middle school was the unit of randomization and intervention. Half of the schools were assigned to an intervention programme consisting of changes in the total school food environment and physical education classes, enhanced by educational outreach and behaviour change activities and promoted by a social marketing campaign consisting of reinforcing messages and images. Outcome data reported (anthropometrics, blood pressure and fasting lipid levels) were collected on a cohort of students enrolled at the start of 6th grade (∼11-12 years old) and followed to end of 8th grade (∼13-14 years old). Results: Forty-two middle schools were enrolled at seven field centres; 4363 students provided both informed consent and CVD data at baseline and end of study. The sample was 52.7% female, 54.5% Hispanic, 17.6% non-Hispanic Black, 19.4% non-Hispanic White and 8.5% other racial/ethnic combinations, and 49.6% were categorized as overweight or obese (body mass index ≥ 85th percentile) at baseline. A significant intervention effect was detected in the prevalence of hypertension in non-Hispanic Black and White males. The intervention produced no significant changes in lipid levels. Conclusions: The prevalence of some CVD risk factors is high in minority middle school youth, particularly males. A multi-component, school-based programme achieved only modest reductions in these risk factors; however, promising findings occurred in non-Hispanic Black and White males with hypertension.

Original languageEnglish (US)
Pages (from-to)230-239
Number of pages10
JournalPediatric obesity
Volume7
Issue number3
DOIs
StatePublished - Jun 1 2012

Fingerprint

Primary Prevention
Students
Cardiovascular Diseases
Social Marketing
Hypertension
Lipids
Physical Education and Training
Random Allocation
Informed Consent
Hispanic Americans
Fasting
Body Mass Index
Blood Pressure
Food

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health
  • Health Policy
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health

Cite this

Willi, S. M. ; Hirst, Kathryn ; Jago, R. ; Buse, J. ; Kaufman, F. ; El Ghormli, L. ; Bassin, S. ; Elliot, D. ; Hale, Daniel. / Cardiovascular risk factors in multi-ethnic middle school students : The HEALTHY primary prevention trial. In: Pediatric obesity. 2012 ; Vol. 7, No. 3. pp. 230-239.
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Willi, SM, Hirst, K, Jago, R, Buse, J, Kaufman, F, El Ghormli, L, Bassin, S, Elliot, D & Hale, D 2012, 'Cardiovascular risk factors in multi-ethnic middle school students: The HEALTHY primary prevention trial', Pediatric obesity, vol. 7, no. 3, pp. 230-239. https://doi.org/10.1111/j.2047-6310.2012.00042.x

Cardiovascular risk factors in multi-ethnic middle school students : The HEALTHY primary prevention trial. / Willi, S. M.; Hirst, Kathryn; Jago, R.; Buse, J.; Kaufman, F.; El Ghormli, L.; Bassin, S.; Elliot, D.; Hale, Daniel.

In: Pediatric obesity, Vol. 7, No. 3, 01.06.2012, p. 230-239.

Research output: Contribution to journalArticle

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T1 - Cardiovascular risk factors in multi-ethnic middle school students

T2 - The HEALTHY primary prevention trial

AU - Willi, S. M.

AU - Hirst, Kathryn

AU - Jago, R.

AU - Buse, J.

AU - Kaufman, F.

AU - El Ghormli, L.

AU - Bassin, S.

AU - Elliot, D.

AU - Hale, Daniel

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N2 - Objective: The objective of this study was to examine the effects of an integrated, multi-component, school-based intervention programme on cardiovascular disease (CVD) risk factors among a multi-ethnic cohort of middle school students. Methods: HEALTHY was a cluster randomized, controlled, primary prevention trial. Middle school was the unit of randomization and intervention. Half of the schools were assigned to an intervention programme consisting of changes in the total school food environment and physical education classes, enhanced by educational outreach and behaviour change activities and promoted by a social marketing campaign consisting of reinforcing messages and images. Outcome data reported (anthropometrics, blood pressure and fasting lipid levels) were collected on a cohort of students enrolled at the start of 6th grade (∼11-12 years old) and followed to end of 8th grade (∼13-14 years old). Results: Forty-two middle schools were enrolled at seven field centres; 4363 students provided both informed consent and CVD data at baseline and end of study. The sample was 52.7% female, 54.5% Hispanic, 17.6% non-Hispanic Black, 19.4% non-Hispanic White and 8.5% other racial/ethnic combinations, and 49.6% were categorized as overweight or obese (body mass index ≥ 85th percentile) at baseline. A significant intervention effect was detected in the prevalence of hypertension in non-Hispanic Black and White males. The intervention produced no significant changes in lipid levels. Conclusions: The prevalence of some CVD risk factors is high in minority middle school youth, particularly males. A multi-component, school-based programme achieved only modest reductions in these risk factors; however, promising findings occurred in non-Hispanic Black and White males with hypertension.

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