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Table 1 Phased, evaluated development plan for intervention to reduce child exposure to tobacco smoke

From: Development, design, and conceptual issues of project zero exposure: A program to protect young children from tobacco smoke exposure

Phase Activity
I. Program development  
  Systematic review of the professional literature (with meta-analysis)
  Comprehensive search for intervention materials available online,
  Consultation with experts
  Creation of initial version of website
  Development of research instruments (questionnaires and Interview Guides
  Focus groups and in-depth interviews with parents about attitudes and practices regarding child tobacco smoke exposure
Qualitative evaluation
  Focus groups with parents on measurement of exposure
Qualitative evaluation
  Design workshops to get feedback from parents on all elements of program.
Qualitative evaluation
II. Pilot Pilot all elements of intervention and research materials on 5-10 groups of 10 parents each.
Qualitative and quantitative evaluation
III. Cluster randomized RCT Randomize 18 clinics to early or late intervention, with 30 participants per clinic.
Quantitative evaluation of primary and secondary endpoints, qualitative and quantitative process evaluation.