Conclusions
Further research to explain different smoking cessation patterns between people with low behavioral health symptoms scores and high behavioral health symptoms scores is needed. Qualitative evidence may provide further insight into what aspects of the specialized intervention were particularly beneficial for people who smoke with better mental well-being and functioning and less efficacious for people who smoke with worse mental well-being and functioning. Understanding the nuances in cessation patterns among people who smoke with mental health diagnoses will inform cost-effective, evidence-based public health decisions.