Obstructive sleep apnoea is more prevalent in men with schizophrenia compared to general population controls: results of a matched cohort study

Hannah Myles, Andrew Vincent, Nicholas Myles, Robert Adams, Madhu Chandratilleke, Dennis Liu, Jeremy Mercer, Andrew Vakulin, Gary Wittert, Cherrie Galletly

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Objectives: Obstructive sleep apnoea (OSA) may be more common in people with schizophrenia compared to the general population, but the relative prevalence is unknown. Here, we determine the relative prevalence of severe OSA in a cohort of men with schizophrenia compared to representative general population controls, and investigate the contribution of age and body mass index (BMI) to differences in prevalence. Methods: Rates of severe OSA (apnoea–hypopnoea index > 30) were compared between male patients with schizophrenia and controls from a representative general population study of OSA. Results: The prevalence of severe OSA was 25% in the schizophrenia group and 12.3% in the general population group. In subgroups matched by age, the relative risk of severe OSA was 2.9 (p = 0.05) in the schizophrenia subjects, but when adjusted for age and BMI, the relative risk dropped to 1.7 and became non-significant (p = 0.17). Conclusions: OSA is prevalent in men with schizophrenia. Obesity may be an important contributing factor to the increased rate of OSA.

Original languageEnglish
Pages (from-to)600-603
Number of pages4
JournalAustralasian Psychiatry
Volume26
Issue number6
DOIs
Publication statusE-pub ahead of print - 2018

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