4817.0.55.001 - Information Paper: Use of the Kessler Psychological Distress Scale in ABS Health Surveys, Australia, 2007-08  
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 12/07/2012   
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Contents >> Results >> Mental Health Conditions and medication usage

MENTAL HEALTH CONDITIONS AND MEDICATION USAGE
The following analyses examine the presence of selected mental health disorders or experiences for people with moderate, high or very high levels of psychological distress.

Mental health disorders
In the SMHWB, the presence of a mental health disorder at some time in a person's lifetime was diagnosed by the World Health Organization (WHO) Composite International Diagnostic Interview (CIDI). Disorders were classified as having symptoms in the last 30 days and the last 12 months. The NHS collected current, self-reported mental or behavioural conditions that had lasted or were expected to last six months or more. In both surveys, people with moderate, high or very high levels of psychological distress in the past four weeks were far more likely to have an affective, anxiety or substance use disorder than people with low distress.

In the 2007 SMHWB, around 66% of people who experienced very high levels of distress in the last four weeks were diagnosed by the CIDI to have a mental disorder with symptoms in the last 30 days, and almost four out of every five people with very high levels of distress had a mental disorder with symptoms in the last 12 months (79%). For people with high levels of distress in the past four weeks, 42% had a current mental disorder (30 day symptoms), and 58% had experienced symptoms in the last 12 months (see datacube table 12a and 12b for more detail).

People with very high levels of distress were the most likely to have anxiety (54%), affective (34%) or substance use disorders (9.4%) with symptoms in the previous 30 days, followed by people with high levels of distress (32%, 15% and 6.6% respectively). Graph 6 shows levels of psychological distress by the presence of these mental health disorders (see datacube tables 13a to 15b for more detail).


In 2007, around 66% of people who experienced very high levels of distress in the last four weeks were diagnosed by the CIDI to have a mental disorder with symptoms in the last 30 days.

In the 2007-08 NHS, people with moderate, high and very high levels of psychological distress were also far more likely to self-report a mental or behavioural disorder than people with low levels of distress. Around 21% of people with very high levels of distress reported an anxiety disorder, 63% reported an affective disorder, and 5.4% reported a substance use disorder (see graph 7 below and datacube table 16 for more detail).

In 2007/08, around 21% of people with very high levels of distress reported an anxiety disorder, 63% reported an affective disorder, and 5.4% reported a substance use disorder.

Suicidal thoughts or behaviour
In 2007, there were over 360,000 people who had suicidal thoughts or had planned or attempted suicide in the last 12 months (see datacube table 17). People with very high levels of psychological distress were over ten times more likely to have had suicidal thoughts or behaviours in the last 12 months than the national average (25% compared with 2.3%), and people with high levels of distress were over five times more likely (13%).

Services and strategies used for mental health
In 2007, 1.8 million people accessed services for mental health in the past 12 months (including treatment in a hospital), 1.8 million consulted a health professional, and over 2 million people sought support from family or friends. Other services and strategies for mental health collected in the SMHWB include:
    - being admitted overnight or longer to hospital;
    - using internet group/chat room/self-help sites;
    - participating in group/phone counselling;
    - increasing level of exercise or physical activity; and
    - using alcohol or drugs.

Around 44% of people with high or very high levels of distress accessed services or saw a health professional for mental health in the past 12 months. While 27% of people with high or very high distress levels increased their physical activity to improve their mental health in this time, 18% used alcohol or drugs (see datacube tables 18a and 18b for more detail).

Medication usage
In general, people high or very high levels of psychological distress were more likely to take medication for mental health than the general population (47% compared with 12%). People with very high levels of distress were the most likely to take medication (see datacube table 19 for more detail). The most common types of medication taken by people with high or very high levels of distress were anti-depressants and sleeping pills.

Unmet need
People whose need for mental health services were only partially met in the last 12 months were more likely to have high or very high levels of psychological distress than people whose needs were fully met (46% compared with 25%)(see datacube table 20 for more detail).



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