Figure 2: Types of serious illness by age and sex, 2009 to 2021
Mental illness includes conditions with relatively low prevalence and potentially severe consequences, such as psychotic illnesses (Department of Health and Ageing 2010). Psychotic illnesses may be characterised by symptoms including disordered thinking, hallucinations, delusions and disordered behaviour, although individual experiences vary greatly. Diagnoses include Schizophrenia, Schizoaffective disorder and Delusional disorder.
The 2010 National Psychosis Survey estimated that 64,000 Australians aged 18–64 experienced a psychotic illness and were in contact with public specialised mental health services each year. This equates to 5 cases per 1,000 population.
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