RESULTS
REGRESSION, PMT
We screened 780 smokers and randomly assigned 722 (92.6%) to the intervention or control group, all of whom were Chinese. Both groups were well-balanced in their baseline characteristics Figure S1 and Table S2 in the We found that 32.3% (n = 93) of baseline daily smokers in the intervention and 20.0% (n = 60) in the control group changed to weekly smokers during the follow-up period (Changing smoking behaviour and reducing smoking amount between the two groups of current smokers. *We found no statistically significant differences in any of the seven PMT construct scores between the two groups at baseline (The point-to-point comparison of protection motivation theory construct scores.In the last GEE regression (Generalised estimating equations for changing smoking behaviour and reducing smoking amount on protection motivation theory subconstructs. We adjusted the analysis for living area, educational level, monthly income, and nicotine dependence at baseline.