Key result
Public smoking bans show no association with short-term reductions in MI admissions or mortality.
Observational
Yes
Finds no significant short-term declines in mortality or hospital admissions following smoking bans in the United States, indicating previous regional findings may reflect sampling variability.
U.S. state and local governments have increasingly adopted restrictions on smoking in public places. This paper analyzes nationally representative databases, including the Nationwide Inpatient Sample, to compare short-term changes in mortality and hospitalization rates in smoking-restricted regions with control regions. In contrast with smaller regional studies, we find that smoking bans are not associated with statistically significant short-term declines in mortality or hospital admissions for myocardial infarction or other diseases. An analysis simulating smaller studies using subsamples reveals that large short-term increases in myocardial infarction incidence following a smoking ban are as common as the large decreases reported in the published literature.
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Shetty et al. (2010) conducted an observational in Myocardial infarction or other diseases. Smoking bans vs. Control regions was evaluated on Mortality and hospital admissions for myocardial infarction or other diseases. Smoking bans in public places were not associated with statistically significant short-term declines in mortality or hospital admissions for myocardial infarction compared to control regions.
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