Instrument

Factor 1

Factor 2

Factor 3

Total variance explained (%)

EQ-5D

49.5

Mobility

0.727

Self-care

0.740

Usual activities

0.745

Pain/discomfort

0.718

Anxiety/depression

0.575

ADDQoL**

64.3

Leisure activities

0.673

0.401

Working life *

Journeys

0.707

Holidays

0.656

Physical health

0.705

Family life

0.732

Friendship and social life

0.824

Personal relationship

0.762

Sex life *

Physical appearance

0.798

Self-confidence

0.843

Motivation

0.776

People’s reaction

0.598

Feelings about future

0.701

Financial situation

0.696

Living conditions

0.768

Dependence on others

0.680

Freedom to eat

0.500

Freedom to drink

0.806