The impact of cigarette smoking on life expectancy in schizophrenia, schizoaffective disorder and bipolar affective disorder: An electronic case register cohort study.

ABSTRACT: Severe mental disorders are associated with a life expectancy that is 10-20 years shorter than the general population's. The prevalence of cigarette smoking in these populations is very high. We examined the effect of smoking on life expectancy and survival in patients with a diagnosis of schizophrenia, schizoaffective disorder or bipolar affective disorder from 2007 to 2018 in South East London, UK. Smoking status was determined using unstructured text data extracted from electronic health records. A total of 21,588 patients were identified of which 16,717, (77.4%) were classified as current smokers and 3438 (15.9%) as non-smokers. In female participants, life expectancy at birth was 67.6 years in current smokers (95% CI: 66.4-68.8) and 74.9 years in non-smokers (95% CI: 72.8-77.0), a dif

SUBMITTER: Chesney E 

PROVIDER: S-EPMC8653908 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature