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Research on School-Based Health Education
  • Carmen Aldinger
  • International Symposium on School Health Education and Promotion
  • November 25-26, 2005, Beijing
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My Background
  • Project Director at Education Development Center (EDC), an international NGO with about 800 employees, and more than 335 projects in 50 countries
  • EDC’s division of Health and Human Development Programs fosters healthy lifestyles and healthy environments
  • We are a WHO Collaborating Center to Promote Health through Schools and Communities
  • Ph.D. student at Lesley University
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Outline
  • The link between health and education
  • Research on school-based health education
    • Multi-component interventions
    • Health education interventions
      • Success factors
      • Limitations/Challenges
      • Systems for identifying effective health education interventions
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The Link
between Health and Education
  • Research over many years has shown:
  • Improvements in health are linked to improvements in learning



  • Improvements in general education are associated with improvements in health
  • School-based health education is associated with improvements in health
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Research on
School-Based Health Education
  • Several studies have shown that school-based health education programs can have long-term effects
  • School-based programs that address specific health issues have shown changes in knowledge, attitudes, intentions, behaviors and/or biomedical risk factors, though sometimes not in all of these aspects or only in the short term
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Example: Bayne-Smith et al. (2004)
  • Target population: 442 multi-ethnic urban teenage girls in the United States
  • Intervention: School-based intervention on cardiovascular disease: 12-week program of vigorous exercises integrated with heart health-related lectures and discussions on diet, exercise, stress, and smoking
  • Evaluation: Controlled design: Experimental and control group, pre- and post-test
  • Results: Significant differences in body fat, blood pressure, heart health knowledge, and eating breakfast
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Example: Bayne-Smith et al. (2004)
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Research on
School-Based Health Education
  • Some school-based programs have not shown long-term effects on health outcomes
  • Some school-based programs have shown positive changes in knowledge or attitudes, but not in behavior or health status
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Example: Lytle et al. (2004)
  • Target population: 16 middle schools in the United States
  • Intervention: Teens Eating for Energy and Nutrition at School (TEENS), a multi-level behavioral intervention involving classroom curricula, school environment, policy, and family components to increase fruit, vegetable and low fat food consumption
  • Evaluation: Randomized design
  • Results: Despite positive interim results, the positive effects for the intervention were not seen for primary outcomes at end of second year. Positive effects were seen for food choice scores (suggesting students choosing lower versus higher fat foods), but not for measures of food intake
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Research on
School-Based Health Education
  • Multi-component interventions
  • Concepts such as the “health-promoting school” and “coordinated school health” call for multiple coordinated interventions
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Uncoordinated School Health Programs
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Coordinated School Health Programs
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Research on
School-Based Health Education
  • Health education interventions
  • Evaluations of school-based curricular health interventions


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Health Education Interventions: Success Factors
  • Gaining commitment
  • Theoretical underpinnings
  • Relevant content
  • Participatory teaching methods



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Health Education Interventions: Success Factors
  • Timing and Sequence
  • Multiple strategies for maximum outcomes
  • Teacher training and professional development
  • Relevance
  • Participation
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Health Education Interventions: Limitations/Challenges
  • Fidelity of implementation
  • Length and quality of the intervention
  • Validity of the questionnaire
  • Limitations of self-reported behavior
  • Attrition of students most at risk
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Systems for identifying effective health education interventions
  • National Registry of Evidence-Based Programs and Practices (NREPP) of the
  • U.S. Department of Health and Human Services
  • Substance Abuse and Mental Health Services Administration (SAMHSA)
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National Registry of Evidence-Based Programs and Practices (NREPP)
  • http://modelprograms.samhsa.gov/
  • Content Focus
  • Academic Achievement, Alcohol Use/Abuse, Antisocial/Aggressive Behavior, HIV/AIDS, Illegal Drugs, Psychological Trauma, Social and Emotional Competency, Tobacco, Violence, others (not specifically addressing substances)


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National Registry of Evidence-Based Programs and Practices (NREPP) - Example
  • Program: Lions-Quest Skills for Adolescence
  • Description: A comprehensive positive youth development and prevention program designed for schoolwide and classroom implementation.
  • Target Population/Setting: 10 to 14 years olds, in rural, suburban, and urban middle schools
  • Key Outcomes: Deter initiation of regular cigarette smoking, experimental marijuana use, monthly use of alcohol and binge drinking; delay progression of regular cigarette smoking and marijuana use among students who had initiated alcohol use
  • Key Program Strategies: Classroom curriculum, Parent and family involvement, positive school climate, community involvement
  • Cost Estimates: contract workshop (2 days) $4,500-4,500 for 12 participants; regional workshop $425-500 per person; Materials $5.95 per student
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Systems for identifying effective health education interventions
  • Cochrane Review
  • The Cochrane Collaboration is an international non-profit and independent organization, dedicated to making up-to-date, accurate information about the effects of healthcare readily available worldwide.


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Cochrane Reviews
  • http://www.cochrane.org/index1.htm
  • Content includes:
  • Many clinical interventions, but also some prevention and behavioral interventions for:
    • Drugs and Alcohol Abuse
    • HIV/AIDS
    • Injuries
    • Tobacco Addiction


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Cochrane Reviews - Example
  • School-based programs for preventing smoking (Thomas, 2005)
  • Objectives: To review all randomized controlled trials (RCTs) of behavioral interventions in schools to prevent children (5-12 yrs) and adolescents (13-18 yrs) starting smoking
  • Search Strategy: 13 databases, bibliographies, MEDLINE searches of 133 authors
  • Selection Criteria: By types of studies, types of participants, types of interventions, types of outcome measures
  • Data collection and analysis: Assessed quality of design and execution, narrative systematic review, no meta-analysis
  • Main results: Of 76 RCTs, 16 were “most valid.” 15 of them were social influences interventions. Of these, 8 showed some positive effect on smoking prevalence, 7 failed to do so
  • Author’s conclusions: There is little evidence that information alone is effective. There are well-conducted RCTs of social influences interventions: half of them showed less smoking in intervention group. There is a lack of high-quality evidence of combinations of interventions and multi-modal programs that include communities.
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Systems for identifying effective health education interventions
  • Leeds Health Education Effectiveness Database: Evaluations of health education programs in developing countries
  • By Dr. John Hubley, independent consultant, principal lecturer at Leeds Metropolitan University, UK


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Leeds Health Education Effectiveness Database
  • http://www.hubley.co.uk/listing.htm
  • http://www.hubley.co.uk/1schools.htm
  • Content includes:
    • AIDS and STDs; Family Planning; Breastfeeding Promotion; Immunization; Oral rehydration; Nutrition; Infectious diseases; Water, sanitation and hygiene education; Oral Health; Eye Health; Chronic diseases, substance abuse and mental health; Miscellaneous health topics, safety education
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Leeds Health Education Effectiveness Database - Example
  • Evaluation of a comprehensive school-based AIDS education program in rural Uganda (Kinsman et al., 2001)
  • Target group: Schoolchildren in primary and secondary school in southwest Uganda
  • Intervention methodology: Curriculum adapted from WHO/UNESCO School Health Education Resource Package; training workshop for teachers; 12-month intervention, based on a model closely related to Theory of Reasoned Action
  • Evaluation method: More than 2,000 students from 20 intervention schools and 11 control schools completed baseline and follow-up questionnaires; 93 students in 12 focus group discussions
  • Impact achieved: Data from questionnaires suggest overall program effect was minimal and not statistically significant. Data from focus groups suggest that the program was incompletely implemented and key activities such as condoms and role play exercises were covered only superficially.


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Leeds Health Education Effectiveness Database - Conclusion
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Contact Information
  • Carmen Aldinger
  • Education Development Center, Inc.
  • 55 Chapel Street
  • Newton, MA 02458 USA
  • Tel. +1-617-618-2362
  • Fax +1-617-527-4096
  • Email caldinger@edc.org