Effect of Web-Based Messages on Girls’ Knowledge and Risk Perceptions Related to Cigarette Smoke and Breast Cancer: 6-Month Follow-Up of a Randomized Controlled Trial

Jennifer Schwartz   ¹ , MPH, PhD ;   Joan L Bottorff   ² , FAAN, FCAHS, RN, PhD ;   Pamela A Ratner   ³ , FCAHS, RN, PhD ;   Carolyn Gotay   ⁴ , PhD ;   Kenneth C Johnson   ⁵ , PhD ;   Jasmina Memetovic   ⁴ , MSc ;   Chris G Richardson   ⁴ , PhD

¹ Yale University, School of Medicine, Center for Outcomes Research & Evaluation (CORE), New Haven, CT, United States

² University of British Columbia, School of Nursing, University of British Columbia, Kelowna, BC, Canada

³ University of British Columbia, School of Nursing, University of British Columbia, Vancouver, BC, Canada

⁴ University of British Columbia, School of Population & Public Health, University of British Columbia, Vancouver, BC, Canada

⁵ University of Ottawa, Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, ON, Canada