Table 1 Stage of development of the Baltimore healthy carry-outs trial
Stage 1 | Stage 2 | Stage 3 |
|---|---|---|
Formative research | Development of intervention strategies | Implementation of pilot study |
Apr 2009 – Dec 2010 | Dec 2010- Apr 2011 | Feb 2011- Sep 2011 |
• In–depth interviews | • Multi-component intervention strategies | • Selection of intervention and matched comparison carry-outs |
• Semi-structured questionnaires | • Materials development | • Three phase program: |
• Direct observations |   - Promoted foods |   - Phase 1: Modified menu boards & menu labeling |
• Focus groups |   - Audience selection |   - Phase 2: Healthy sides & beverages |
• Conjoint analysis |   - Target behaviors |   - Phase 3: Affordable healthy combination meals |
|  |  | • Process evaluation |