Application of participation in clinical practice: Key issues.

Background: Rehabilitation services are increasingly targeting involvement in daily life. In the International Classification of Functioning, Disability and Health this is referred to as "participation". How-ever, questions have arisen regarding the conceptualization of participation, and consensus is lacking.

Measuring participation as defined by the World Health Organization in the International Classification of Functioning, Disability and Health. Psychometric properties of the Ghent Participation Scale.

Objective: To examine the internal consistency, test-retest reliability, construct validity, discriminant validity and responsiveness of the Ghent Participation Scale.

Design: Cross-sectional study with a test-retest sample.

Setting: Six outpatient rehabilitation centres in Belgium.