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Non-family Environmental Issues that Influence How Pediatricians Address Obesity with Families. William H. Dietz, MD, PhD Director of the Division of Nutrition and Physical Activity CDC. Factors Related to the Onset of Obesity. Altered dietary intake Decreased physical activity
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Non-family Environmental Issues that Influence How Pediatricians Address Obesity with Families William H. Dietz, MD, PhD Director of the Division of Nutrition and Physical Activity CDC
Factors Related to the Onset of Obesity • Altered dietary intake • Decreased physical activity • Increased inactivity
Shifts in Food Practices in the United States • Fast food consumption • Reduced frequency of family meals • Restrained eating, meal skipping • Consumption of soft drinks-increased from 27 to 44 gal/y from 1972-1992 • 30,000 products in supermarkets • Increased portion size
Factors Related to the Onset of Obesity • Altered dietary intake • Decreased physical activity • Increased inactivity
Daily Physical Education Classes in School (9-12th graders) Year 1991 1999 % 42% 29% Source: YRBS
Disconnected Network/ Connected Network Source: Frank Speilberg
Factors Related to the Onset of Obesity • Altered dietary intake • Decreased physical activity • Increased inactivity
Daily Television Viewing by Children and Youth by Hours Source: Kids and Media at the New Millennium, Kaiser Family Foundation, 1999
(0-1) (1-2) (2-3) (3-4) (4-5) (>5) Prevalence of Obesity by Hours of TV per Day:NHES Youth Aged 12-17 in 1967-70 and NLSY Youth Aged 10-15 in 1990 TV Hours Per Day (Youth Report)
CDC Funded States for Nutrition & Physical Activityto Prevent Obesity and Other Chronic Diseases Basic Implementation Capacity Building
STEPS Awardees Representing 41 Communities State-coordinated Small Cities/Rural Communities Tribes/Tribal Entities Large Cities/Urban Communities Santa Clara County, CA Dekalb County, GA Hillsborough County, FL Intertribal Council of Michigan Cherokee Nation Health Services Group (Oklahoma) Southeast Alaska Regional Consortium Seattle-King County, WA Salinas-Monterey County, CA Austin-Travis County, TX New Orleans, LA St. Petersburg-Pinellas County, FL Boston, MA Philadelphia, PA San Antonio, TX Cleveland, OH WA – 4 counties AZ – 3 counties CO – 4 counties NY – 4 counties AL – 2 areas MN – 4 areas PA – 3 counties
Behavior Change Strategies • Increase physical activity • Reduce television viewing in children and adolescents • Promote breastfeeding
Promising Interventions • Increase fruit and vegetable consumption • Reduce soft drink consumption • Reduce portion size
Intervention Sites to Prevent or Treat Obesity • Medical Settings • School • Work Site • Community
Chronic Care Model Environment Medical System Patient Self-Management Family School Worksite Community Information Systems Decision Support Delivery System Design Self Management Support
Intervention Sites to Prevent or Treat Obesity • Medical Settings • School • Work Site • Community
School-based Approaches to Prevent or Treat Obesity • Physical education classes • Walk to school programs • Media curricula and TV turnoffs • Competitive foods and pouring contracts • Comprehensive school-based interventions
Effective Interventions to Promote Physical Activity • Informational • Community-wide education • Point of decision prompts • Behavioral and social • School-based PE • Non-family social support • Individually adapted behavior change • Environmental and policy • Enhanced access with outreach • Urban design and land use
School-based Approaches to Prevent or Treat Obesity • Physical education classes • Walk to school programs • Media curricula and TV turnoffs • Competitive foods and pouring contracts • Comprehensive school-based interventions
Increase daily physical activity of children • Improve pedestrian safety • Educate and empower communities to create safe routes to school
School-based Approaches to Treat or Prevent Obesity • Physical education classes • Walk to school programs • Media curricula and TV turnoffs • Competitive foods and pouring contracts • Comprehensive school-based interventions
Effects of an 18-Lesson Elementary School Curriculum on Hours Spent Using Television, Videotapes, and Video Games n = 192 third- and fourth-grade students; self-reported data Source: Robinson TN. JAMA 1999;282:1561-7
Effects of an 18-Lesson Elementary School Media Use Reduction Curriculum on Body Mass index p=.002; n = 192 third- and fourth-grade students Source: Robinson TN. JAMA 1999;282:1561-7
School-based Approaches to Treat or Prevent Obesity • Physical education classes • Walk to school programs • Media curricula and TV turnoffs • Competitive foods and pouring contracts • Comprehensive school-based interventions
Baseline Intervention Follow-up Effects of Increased Choices and Reduced Price on Fruit and Vegetable Consumption Fruits (#/day) Vegetables (lbs/day) Jeffery et al, Prev Med 1994; 23:788
School-based Approaches to Treat or Prevent Obesity • Physical education classes • Walk to school programs • Media curricula and TV turnoffs • Competitive foods and pouring contracts • Comprehensive school-based interventions
Intervention Sites to Prevent or Treat Obesity • Medical Settings • School • Work Site • Community
Community-based Approaches • Communications • Community programs • Environmental change
General Market Tween TV Ad: “Swing” (click camera to view video – broadband recommended)
Community-based Approaches • Communications • Community programs • Environmental change
Changes in the Physical Environment to Promote Physical Activity ChangeEffect Sidewalks Increased safety Traffic calming Increased safety On street parking Increased safety Grid design Increased connectivity Increased density Decreased distance Mixed use Decreased distance
1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 Adult per Capita Cigarette Consumption and Major Environmental and Policy Changes in the US 1900-1990 Thousands per year Fairness Doctrine messages on radio and television Nonsmoker’s rights movement begins First Medical reports linking smoking and cancer US Surgeon General’s first report Broadcast advertising ban Federal cigarette tax doubles End of WW II Great Depression Year
Role of the Pediatrician in Childhood Obesity Prevention and treatment - reimbursement - effective strategies for primary care Partnerships and coalitions Communication Advocacy
Division of Nutrition and Physical Activity and VERB Websites • cdc.gov/nccdphp/dnpa • cdc.gov/nccdphp/dash • cdc.gov/youthcampaign • VERBnow.com • VERBparents.com • healthierus.gov/steps