Reproducibility and validity of the Dutch Life Habits Questionnaire (LIFE-H 3.0) in older adults.

Objective: To examine the reproducibility, the discriminant and convergent validity and feasibility of the Dutch translation of the self-administered Life Habits Questionnaire (LIFE-H).

Design: Three cross-sectional community-based studies on clinimetric properties of a measurement instrument.

Subjects: Older adults (n=85) with functional limitations due to various chronic illnesses and healthy older adults (n=40).