Some people who stop smoking experience improved mood, but few studies have examined this relationship after hospitalization or accounted for concomitant substance use and psychological factors. We examined associations between smoking abstinence after a hospital discharge and change in depression and anxiety symptoms.
Methods
We conducted a secondary analysis of data from the Helping HAND 4 smoking cessation trial, which enrolled people who used tobacco when admitted to three academic medical center general hospitals. Participants (n = 986) were categorized as continuously abstinent (CA) or not. We used linear and logistic regression to model continuous and binary measures of depression (Patient Health Questionnaire [PHQ-8] ≥/