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Changes in Veteran Tobacco Use Identified in Electronic Medical Records.

Barnett PG, Chow A, Flores NE, Sherman SE, Duffy SA. Changes in Veteran Tobacco Use Identified in Electronic Medical Records. American journal of preventive medicine. 2017 Jul 1; 53(1):e9-e18.

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INTRODUCTION: Electronic medical records represent a new source of longitudinal data on tobacco use. METHODS: Electronic medical records of the U.S. Department of Veterans Affairs were extracted to find patients' tobacco use status in 2009 and at another assessment 12-24 months later. Records from the year prior to the first assessment were used to determine patient demographics and comorbidities. These data were analyzed in 2015. RESULTS: An annual quit rate of 12.0% was observed in 754,504 current tobacco users. Adjusted tobacco use prevalence at follow-up was 3.2% greater with alcohol use disorders at baseline, 1.9% greater with drug use disorders, 3.3% greater with schizophrenia, and lower in patients with cancer, heart disease, and other medical conditions (all differences statistically significant with p < 0.05). Annual relapse rates in 412,979 former tobacco users were 29.6% in those who had quit for < 1 year, 9.7% in those who had quit for 1-7 years, and 1.9% of those who had quit for > 7 years. Among those who had quit for < 1 year, adjusted relapse rates were 4.3% greater with alcohol use disorders and 7.2% greater with drug use disorders (statistically significant with p < 0.05). CONCLUSIONS: High annual cessation rates may reflect the older age and greater comorbidities of the cohort or the intensive cessation efforts of the U.S. Department of Veterans Affairs. The lower cessation and higher relapse rates in psychiatric and substance use disorders suggest that these groups will need intensive and sustained cessation efforts.

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