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Reliability

Validity

Minimal Clinically Significant Difference

References

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World Health Organization Quality of Life assessment instrument (WHOQOL-100)

Name of Questionnaire

Description

The WHOQOL-100 is a generic, patient-completed measure of health-related quality of life that was simultaneously developed in 15 sites worldwide. It is focused around the definition of quality of life advocated by the World Health Organization, which includes the culture and context which influence an individual's perception of health.

Developer

WHOQOL Group

Address

WHOQOL Group
Programme of Mental Health
Division of Mental Health and Prevention of Substance Abuse
World Health Organization
CH-1211 Geneva 27
Switzerland
tel 41.22.791.3610/4739/3634
fax 41.22.791.4160

E-mail

whoqol@who.ch

Administration

Self

Number of items

100

Domains & categories

6 domains

25 facets

Name of categories/domains

Domains: physical health, psychological health, level of independence, social relationships, environment, spirituality/religion/personal beliefs

Facets: 24 facets, each consisting of 4 items, distributed across domains plus a general facet (overall quality of life and general health)

Scaling of items

5-point Likert scales

Scoring

Scores available for domains, facets, and overall.

Higher scores indicate lower quality of life.

3 facets (pain & discomfort, negative feelings, dependence on medication or treatments) must be reverse-scored.

Reliability

Internal consistency: Reported²

Minimally important difference

Not determined.

Language

Developed concurrently at 15 sites. Available in over 20 languages.

Comments

A short version (WHOQOL-BREF) also exists. It has 26 items. Scores for 4 domains (physical, psychological, social relationships, and environment) as well as an overall score are available. Full information is available from the WHO.

Disease-specific and population-specific modules are being developed for the WHOQOL-100.

References

WHOQOL Group. Field Trial WHOQOL-100. February 1995: facet definitions and questions. Geneva: WHO (MNH/PSF/95.1.B), 1995.
De Vries J, Van Heck GL. The World Health Organization Quality of Life assessment instrument (WHOQOL-100): Validation study with the Dutch version. Eur J Psychol Assess 1997;13;164-78.

Date of information

April 2002