Prevalence and Correlates of Poor Sleep Quality among Patients Attending an Early Psychosis Intervention Programme

Mythily Subramaniam1, Shazana Shahwan1, Pratika Satghare1, Restria Fauziana1, Lye Yin Poon2, Jagan S/O Rama Sendran2, Edimansyah Abdin1, Sujatha Rao2, Swapna Verma2, Siow Ann Chong1; 1Research Division, Institute of Mental Health, 2Early Psychosis Intervention Programme, Institute of Mental health

People with schizophrenia frequently report chronically disturbed sleep. Poor sleep quality has been associated with both morbidity and mortality and leads to a lowered quality of life. The current study aimed to establish the prevalence and correlates of poor sleep quality among patients attending an early psychosis intervention programme (EPIP) in Singapore. 222 consecutive patients with FEP aged between 15 and 40 years and no current history of substance abuse, were recruited into the study. Participants were assessed at baseline (within 3 months of being accepted in EPIP) using the the Alcohol Use Disorders Identification Test (AUDIT), Pittsburgh Sleep Quality Index (PSQI) and WHOQOL-BREF. The PSQI measures sleep quality across seven components including subjective sleep quality, sleep latency, duration, disturbances and use of sleeping medications over the last month. The WHOQOL-BREF comprising 4 domains: Physical Health, Psychological, Social Relationships and Environment was used to measure the quality of life. Socio-demographic data was collected from all patients. Using a PSQI cut off of 5, 71% (n=158) of FEP patients reported poor sleep quality. Males as compared to females (OR = 2.4) and those with harmful alcohol use (scoring >8 on AUDIT) (OR=4.5) were more likely to have poor quality of sleep. Those who had poor quality of sleep were more likely to report a poor quality of life in all four domains even after adjusting for sociodemographic variables. Quality of sleep is significantly affected among FEP patients, early identification and treatment could help avoid long term sequelae of this comorbidity.

Topic Area: Epidemiology

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