Cited by 158Smoking Behavior and CessationSchizophrenia research and treatmentSuicide and Self-Harm Studies

Cigarette smoking and mortality risk in people with schizophrenia

Open access
Kelly, D. L., McMahon, R. P., Wehring, H. J., Liu, F., Mackowick, K. M., Boggs, D. L., Warren, K. R., Feldman, S. +3 more·2011·Schizophrenia Bulletin

Abstract

This study examined effects of cigarette smoking on mortality risk in 1213 persons aged 19-69 years with schizophrenia-related psychotic disorders admitted to State of Maryland Hospitals between 1994 and 2000. Inpatient medical records from 7 hospitals were reviewed to obtain demographic information, diagnosis, medication use, as well as smoking and other substance use. Social Security Death Index data were used to identify deaths in the study group between 1994 and 2004. Death records were reviewed to obtain manner of death and underlying disorders. Of the 1213, 55% were smokers and 71% abused substances. There was an age × smoking interaction (χ(2) = 14.6, df = 1, P = .0001) for mortality, with estimated hazard ratios (HRs) for smokers vs nonsmokers of 2.1 among 35- to 54-year olds and HR of 0.7 among those aged 55-69 years. Five- and 10-year mortality rates for smokers aged 35-54 years were 7.0% and 14.2%, compared with 3.3% and 10.0% for nonsmokers, respectively (χ(2) = 5.53, df = 1, P = .019). Cardiac causes were identified in 43% of deaths in smokers but only 19% of deaths in nonsmokers (P < .006). For those aged 35-54 years, the odds of cardiac related death was increased by 12 fold in smokers relative to nonsmokers (HR = 12.4, χ(2) = 12.0, df = 1, P = .0005). Among people aged 35-54 years, those smoking greater than one pack daily have a significantly increased total mortality risk (HR = 2.7) vs nonsmokers. Cigarette smoking, particularly in people aged 35-54 years, contributes to an increased risk of death. Greater smoking severity significantly increases this risk. Smoking cessation in people with schizophrenia deserves significant attention.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1093/schbul/sbp152

Cites

39 of 39 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • There was no difference in mortality risk between BME and white British groups beyond what would be expected by chance.

    “Although mortality risk was slightly lower in cases from the BME compared with the white British group, in contrast to earlier research,23,24 we found no difference beyond what would be expected by chance.”
  • The absence of systematic differences across ethnic groups may be accounted for by social and health disparities in BME populations being offset through greater attention to medical treatment of physical health problems in patients in the care of mental health services.

    “the absence of systematic differences across ethnic groups or, as has been reported earlier, an even lower mortality risk in BME groups,23,24 may be accounted for by social and health disparities in BME populations being offset through the, relatively speaking, greater attention to medical treatment of physical health problems in patients in the care of mental health services.”

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Research works printed but not linked: 1

  1. [15]15. and Support Service in Victoria. Aust N Z J Public Health . 2008;32:479-481.

Cited by

Sorted by citations

Authors
Kelly, D. L., McMahon, R. P., Wehring, H. J., Liu, F., Mackowick, K. M., Boggs, D. L., Warren, K. R., Feldman, S., Shim, J.-C., Love, R. C., & Dixon, L.
Affiliations
  • University of Maryland, Baltimore (US)
  • Inje University (KR)
Venue
Schizophrenia Bulletin
Published
2009-12-17
Volume
37
Issue
4
Pages
832-838
ISSN
  • 0586-7614 (ISSN-L)
  • 1745-1701
OpenAlex
W2140909692
Cited by
158
References
39
Citations by year
2026: 2 · 2025: 3 · 2024: 5 · 2023: 7 · 2022: 3 · 2021: 7 · 2020: 9 · 2019: 8 · 2018: 6 · 2017: 16 · 2016: 11 · 2015: 16 · 2014: 11 · 2013: 21 · 2012: 17
FWCI
7.09
Type
journal article
Language
en
Open access
Locations
  • Schizophrenia Bulletin (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5p50mh040279-05)
  • National Institute of Mental Health (R03MH076985, P50 MH 40279)
Topics
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
Keywords
cigarette smoking, mortality risk
MeSH terms
Adult, Age Factors, Aged, Cause of Death, Coronary Disease, Female, Humans, Male, Maryland, Middle Aged, Regression Analysis, Risk, Schizophrenia, Smoking, Antipsychotic Agents, Comorbidity, Proportional Hazards Models, Odds Ratio, Substance-Related Disorders, Young Adult

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review