Author:
Page Lisa A.,Hajat Shakoor,Kovats R. Sari,Howard Louise M.
Abstract
BackgroundClimate change is expected to have significant effects on human health,
partly through an increase in extreme events such as heatwaves. People
with mental illness may be at particular risk.AimsTo estimate risk conferred by high ambient temperature on patients with
psychosis, dementia and substance misuse.MethodWe applied time-series regression analysis to data from a nationally
representative primary care cohort study. Relative risk of death per 1°
increase in temperature was calculated above a threshold.ResultsPatients with mental illness showed an overall increase in risk of death
of 4.9% (95% CI 2.0–7.8) per 1° increase in temperature above the 93rd
percentile of the annual temperature distribution. Younger patients and
those with a primary diagnosis of substance misuse demonstrated greatest
mortality risk.ConclusionsThe increased risk of death during hot weather in patients with
psychosis, dementia and substance misuse has implications for public
health strategies during heatwaves.
Publisher
Royal College of Psychiatrists
Subject
Psychiatry and Mental health
Cited by
131 articles.
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