This study tests various interventions to increase fruit and vegetable consumption. Callers to the Cancer Information Service (CIS) receive a brief educational message delivered by an informational specialist while on the phone, followed by mailed untailored and tailored print materials.
Aim 1. Design, implement, and evaluate a proactive psychoeducational intervention to promote fruit and vegetable consumption.
Aim 2. Determine which subgroups of callers benefit most from the interventions.
Aim 3. Test for the efficacy and cost-effectiveness of tailored print materials to promote behavior change.
3,402 individuals who called NCI's Cancer Information Service.