EuroQol Five Dimensions (EQ-5D)
Psychology: Health & SleepReliability: established for utility weighting5 sample items
About this scale
A 5-item generic preference-based measure of health-related QoL covering mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Outputs a utility index for cost-effectiveness analysis.
Sample item(s)
“Mobility (no problems / some / unable)”
“Self-care”
“Usual activities”
“Pain/discomfort”
“Anxiety/depression”
Reliability
Reported internal consistency: established for utility weighting. As a rule of thumb, Cronbach’s α ≥ .70 is considered acceptable, ≥ .80 good, and ≥ .90 excellent for established measures.
Notes
Licensing required from EuroQol; EQ-5D-5L is the modern version.
Source & citation
EuroQol Group (1990): EuroQol — a new facility for the measurement of health-related quality of life. Health Policy, Vol. 16, No. 3, pp. 199–208.
Source. Scale details are summarised from the publication cited above. Always consult the original source for the full item set, scoring, and permission to use.
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