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RTC: Randomized Community Trial

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RTC: Randomized Community Trial Community-Based Tobacco Control Program Comprehensive Intervention Mass Media Campaign Legacy truth Campaign School Curriculum ... – PowerPoint PPT presentation

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Title: RTC: Randomized Community Trial


1
RTC Randomized Community Trial
  • Community-Based Tobacco Control Program

2
Comprehensive Intervention
  • Mass Media Campaign
  • Legacy truth Campaign
  • School
  • Curriculum
  • School-wide Policy
  • Family Involvement
  • Community Mobilization
  • Youth Access
  • Smoke-free environments
  • Other policy changes

3
RTC with Matched Pairs
  • 6-12 matched pairs (need power analysis)
  • Community Defined Media Markets
  • Matched pairs or strata
  • Use existing data to match
  • Population, smoking rates, media reach
  • Possible use of baseline data to match
  • Youth smoking survey

4
Randomization
  • Each member of each pair agrees to randomization
    after baseline data collected
  • OR
  • Randomize to conditions, then recruit

5
Design Elements
  • O OxxxxOxxxxOxxxxOxxxxOxxxxO O
  • R
  • O O O O O O O O O
  • Improve Power
  • Multiple baseline measures
  • Multiple control groups per intervention group

6
Steps
  • Baseline studies
  • Tobacco use prevalence and survey
  • Qualitative of appropriateness of messages
  • Second or more baselines
  • Implement all components of intervention
  • Monitoring of intervention implementation
  • Follow-up surveys
  • Awareness of campaign components
  • Of intermediate changes - e.g., prices,
    availability
  • Youth tobacco use attitudes and behaviors

7
Specific Measures Process
  • Pre-intervention measure of readiness
  • Implementation
  • Exposure to media campaign
  • youth involved in empowerment programs
  • Community organizational structures/involvement
  • Post-study sustainability of intervention

8
Measures Intermediate
  • Policy Change
  • School tobacco-free policies
  • Tobacco prices (and change in prices)
  • Community smoke-free policies
  • Enforcement of tobacco-free policies
  • School
  • Community

9
Specific Measures Outcomes
  • Tobacco use by adolescents 13-15
  • ever used
  • use currently
  • of youth susceptible to initiation
  • Exposure to 2nd hand smoke
  • children, nonsmoking adolescents/young adults
  • Per capita sales of tobacco products
  • Cigarettes
  • Other tobacco products
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