The construction and validation of the Assessment of Mental Health Related Quality of Life (PsyQoL) instrument

Funded Activity Summary

Mental Health is one of the national health priority areas as well as one of the largest contributors to burden of disease. WHO projections suggest that by 2020 the burden of depression alone will be second only to cardiovascular disease. New treatments for mental disorders are being developed which must be evaluated. Current research methods do not allow an accurate comparison of the cost effectiveness of these therapies with the cost effectiveness of other medical services as this requires the measurement of 'utility' or 'quality of life'. The small number of 'generic' 'quality of life instruments' developed to date vary significantly in their 'sensitivity' to different illnesses-their ability to detect change-and none is very sensitive to changes in mental health states. The present project is to overcome this deficit. This will be achieved by refining and expanding an instrument developed in Australia, the Assessment of Quality of Life (AQoL) instrument. This is the only instrument to date which was both constructed using correct psychometric principles of instrument construction and which describes health states in terms of the effect upon a patient's ability to function in a social environment. The new instrument called the PsyQoL will increase instrument sensitivity by including a mental health 'module' to the existing instrument and revising existing items. The methods used will include several methodological innovations in the description of health states and the derivation of utility scores. The project will include a large scale 'validation' study which will include the construction of population 'norms' and also the creation of 'exchange rates' between the PsyQoL and other instrument scores. The significance of the project is that the PsyQoL will allow valid and reliable measurement of health states in a way that creates a 'level playing field' between mental and other health related interventions.

Funded Activity Details

Start Date: 01-01-2004

End Date: 01-01-2006

Funding Scheme: NHMRC Project Grants

Funding Amount: $539,450.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Inorganic green chemistry

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

anxiety disorders | depression | economic evaluation in mental health | health related quality of life assessment | instrument development for HRQoL in mental health | post traumatic stress disorder | psychotic disorders | quality of life assessment in mental health | substance abuse disorders

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