Development and psychometric testing of an instrument designed to measure chronic pain in dogs with osteoarthritis.
Dorothy Cimino Brown, Raymond C Boston, James C Coyne, John T Farrar
Am J Vet Res | Published : 2007
OBJECTIVE: To develop and psychometrically test an owner self-administered questionnaire designed to assess severity and impact of chronic pain in dogs with osteoarthritis. SAMPLE POPULATION: 70 owners of dogs with osteoarthritis and 50 owners of clinically normal dogs. PROCEDURES: Standard methods for the stepwise development and testing of instruments designed to assess subjective states were used. Items were generated through focus groups and an expert panel. Items were tested for readability and ambiguity, and poorly performing items were removed. The reduced set of items was subjected to factor analysis, reliability testing, and validity testing. RESULTS: Severity of pain and interferen..View full abstract