A Detailed Analysis of Mental Health Prevalence in Australia

This presentation provides an overview of mental health issues in Australia, highlighting the prevalence of various mental disorders among different age groups. It notes that Australia is experiencing a significant outbreak of mental illness, evidenced by the doubling of antidepressant use. Key statistics reveal that approximately 4 million Australians experienced mental disorders in 2015, with anxiety, depression, and substance use being common among adults, and depressive and conduct disorders prevalent among children and adolescents. The presentation further discusses the impact of these issues, including their severity, early onset, contribution to disability, association with homelessness, and links to physical health problems like heart disease and diabetes. It concludes by emphasizing that mental disorders affect individuals on personal, economic, and social levels, with the 16-24 age bracket being particularly vulnerable. The presentation references studies and data from the Australian Institute of Health and Welfare and the Department of Health.

Mental Health Issues in Australia
Presented by:

Prevalence of Mental Issues In
Australia
 Several studies have been done on mental
health in Australia (Harvey et al., 2017; Shen et al.,
2018).
 Research shows Australia is at the apex of an
outbreak of mental illness (Harvey et al., 2017).
 The use of antidepressants in Australia has
doubled (Olfson& Marcus, 2009).
 Statistics show that mental health problems are
on the rise in Australia.

Prevalence of Mental Issues In
Australia…
 Approximately 4 million people had experienced
mental disorders in 2015
 1 in 5 (20%) (16-85yrs) persons had
experienced prevalent mental disorders
– Equivalent to 3.8 million people in est.2016
population.
 1 in 7 (13.9%) children and teenagers (4-17yrs)
had mental health disorders
– Equivalent to 886,000 in est.2016 population
(AIHW, 2018)

Common Mental Disorders: Adult
Population (16-85 yrs)
 Anxiety Disorders: Social Phobia
– Affected 14.4% of all aged16-85
– Women most affected (18%) than men (11%)
– Women aged 16-54 most affected (21%) compared to
women(6.3%) of 65-85yrs
 Affective Disorders: Depression
– Affected 6.2% of all aged 16-85
– Women most affected (7.1%) than men (3.3%)
– Women aged 16-44 (7.6%) was higher compared to
women (3.3%) aged 55-85 (AIHW, 2018)

Common Mental Disorders: Adult
Population (16-85 yrs)…
 Substance use Disorders: Alcohol
Dependence
– Affected 5.1% of all aged 16-85
– Prevalent in men than women
– Most common in men (13%) of 16-24 yrs
(AIHW, 2018)

Common Mental Disorders:
Children and Adolescents (4-17
yrs.)…
 Depressive Disorder
– Third most prevalent (2.8%) among all children and
adolescents
– Represents 118,000 based on 2016 population est.
 Conduct Disorders
– Fourth most prevalent (2.1%)
– Represents 89,000 based on 2016 population est.
N/B. 1/3 or 4.2% of all the 4-17 yr olds diagnosed with
mental disorder had over 2 cases of mental disorders
within the last 12 months (AIHW, 2018)

Prevalence of Mental Disorders by
Age Group
(The Department of Health, 2009)

Impact of Mental Issues
 Severity
– Approx. 3% of Australian adults have severe mental diseases
– Translates to 730,000 people
– Approx. 50% have psychotic disorders (e.g. schizophrenia or
bipolar affective disorder)
 Moderate Disorders
– 6% of the total population
– Represents 1.5 million based on 2016 population est.
(AIHW, 2018)
 Mild Disorders
– 12% of the total population
– Represents 2.9 million

Impact of Mental Issues: Onset Age for
Prevalent Mental Illnesses
 Most of mental diseases
undergone in adulthood
began in childhood
– 2/3 of those with affective
or anxiety disorders had
the first experience at
age 21
(The Department of Health,
2009)

Impact of Mental Issues: Disability
 Mental disorders impact one’s involvement in
occupational, family, social and learning
activities
 Triggered by the early onset of mental illnesses
 Mental disorders leading cause of disability in
Australia (24%)
 Significantly affects the productivity of adults
during their working years
(The Department of Health, 2009)

Impact of Mental Issues:
Homelessness
 75% of homeless Australian adults have
mental disorders
– 1/3 of them have severe disorders
– Translating to 29,000 people
 40% of all prisoners are diagnosed with
mental sickness
– 20% of them are cases of severe disorders
(The Department of Health, 2009)

Impact of Mental Issues: Physical
Health
 Circulatory/heart sickness- 27% of study
participants
 Diabetes – 21%
 Epilepsy- 7%
 Severe Migraines – 25%
(AIHW, 2018)