Relationships between smoking duration, smoking intensity, hypothetical tobacco price increases, and smoking habit change intention among current smokers in Shanghai

Objectives We conducted a cross-sectional study to explore the effect of a hypothetical tobacco retail price increase on smoking habit change intention, and the role of smoking duration and intensity in smoking change intention. Methods In 2016 and 2017, we collected questionnaire data from 36,698 residents aged over 18 years in Songjiang district, Shanghai. Chi-square tests and weighted logistic regression were used for data analyses. Results...