Intervention to reduce secondhand smoke exposure among children with cancer: a controlled trial.

Objective: This randomized controlled trial tested the efficacy of parent-based behavioral counseling for reducing secondhand smoke exposure (SHSe) among children with cancer. It also examined predictors of smoking and SHSe outcomes.

Methods: Participants were 135 parents or guardians of nonsmoking children with cancer, <18 years, at least 30 days postdiagnosis, and living with at least one adult smoker.