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Daniel Clark MD/PhD/MPH/RN/BS/GED/Promotoro/CHW and Kuei Lee. Childhood Obesity. Increasing in prevalence (1976-1980 vs 2003-2006) 6-11 yrs old: from 6.5% to 17.0% 12-19 yrs old: from 5.0% to 17.6% 1 of 10 key health indicators for Healthy People 2010 15% of American children are overweight
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Daniel Clark MD/PhD/MPH/RN/BS/GED/Promotoro/CHW and Kuei Lee
Childhood Obesity • Increasing in prevalence (1976-1980 vs 2003-2006) • 6-11 yrs old: from 6.5% to 17.0% • 12-19 yrs old: from 5.0% to 17.6% • 1 of 10 key health indicators for Healthy People 2010 • 15% of American children are overweight • Inactivity and poor diet cause 300,000 deaths/year in U.S. • Obesity-related diseases cost over $100 billion/year in U.S. Kuei Dan Source: http://www.cdc.gov/obesity/childhood/prevalence.html http://www.sph.uth.tmc.edu/catch/cns.htm
School-Based Interventions • 3 Basic Approaches: • Nutrition - Guidelines - Price Interventions - Product regulation • Physical Activity • Environmental - Community and Family Interventions Source: http://www.cdc.gov/obesity/childhood/prevalence.html
School-Based Interventions • Meta-analysis • “Do School Based Food and Nutrition Policies Improve Diet and Reduce Obesity?” • Published and unpublished literature • U.S. and Europe • 18 studies met inclusion criteria Source: Jaime, Patricia C. & Lock, Karen. “Do School Based Food and Nutrition Policies Improve Diet and Reduce Obesity?” Preventive Medicine, Vol. 48, 1; 2009; p. 45-53.
School-Based Nutrition Interventions: Meta-Analysis Nutritional guidelines • Decreased total and saturated fat • Increased fruit & vegetable availability • Improved students’ dietary intake Source: Jaime, Patricia C. & Lock, Karen. “Do School Based Food and Nutrition Policies Improve Diet and Reduce Obesity?” Preventive Medicine, Vol. 48, 1; 2009; p. 45-53.
School-Based Nutrition Interventions: Meta-Analysis Price Interventions • Increased fruit & vegetable sales • No negative effect on profits Source: Jaime, Patricia C. & Lock, Karen. “Do School Based Food and Nutrition Policies Improve Diet and Reduce Obesity?” Preventive Medicine, Vol. 48, 1; 2009; p. 45-53.
School-Based Nutrition Interventions: Meta-Analysis Product regulation • Decreased sale of foods with minimal nutritional value • Unintended negative consequences Source: Jaime, Patricia C. & Lock, Karen. “Do School Based Food and Nutrition Policies Improve Diet and Reduce Obesity?” Preventive Medicine, Vol. 48, 1; 2009; p. 45-53.
Physical Inactivity • Independent risk factor for CHD • 30% CV deaths • 30% DM deaths • 60% of cancer deaths Source: Stone et. al., Am J Prev Med 1998;15(4).
CATCH PROGRAM • First initiated as a research study involving the University of • California at San Diego, University of Minnesota, Tulane University • and the University of Texas Health Science Center – Houston • Purpose: to develop an elementary school-based program to • reduce the risk factors related to cardiovascular disease. • Four Components: • Eat Smart school nutrition program • K-5 and 6-8 Classroom curriculum • Physical Education Program • Family Programs
CATCH: Follow Up from 1991-1997 Nader et al. Arch Pediatr Adolesc Med. 1999;153:695-704
CATCH: Follow Up from 1991-1997 Nader et al. Arch Pediatr Adolesc Med. 1999;153:695-704
CATCH: Follow Up from 1991-1997 Nader et al. Arch Pediatr Adolesc Med. 1999;153:695-704
CATCH: Follow Up from 1991-1997 Nader et al. Arch Pediatr Adolesc Med. 1999;153:695-704
CATCH: Follow Up from 1991-1997 Nader et al. Arch Pediatr Adolesc Med. 1999;153:695-704
CATCH: Follow Up Conclusions • Intervention group demonstrated significantly healthier behaviors • as compared to the control group. • Behavioral differences between both groups persisted for 3 years • after intervention. • The difference between experimental and control groups, though • still statistically different over time, are narrowing over time. • More research needs to be done to develop the best modalities for • maintaining intervention effects beyond elementary school level. • Programs to alter environments for elementary, middle, junior, and • high schools are warranted.
Acknowledgements • Laredo • Roger Perales • Kelsey Vaughn • Sylvia Arellano • All the Speakers • La Bestia Blanca • Harlingen • Pat Bortoni • Noe Garza • Beatriz Tapia