Validity and Reliability of the Dutch Adaptation of the Actinic Keratosis Quality of Life Questionnaire (AKQoL)

Background: The Actinic Keratosis Quality of Life Questionnaire (AKQoL) is a disease-specific instrument to measure the impact of actinic keratosis (AK) on patients' lives. Objective: To validate and test the psychometric properties of the AKQoL translated into the Dutch language (AKQoL-NL). Methods: All new patients ≥50 years of age with untreated AK in a university medical center and a general hospital between August 2014 and August 2015 were eligible. The AKQoL was obtained and repeated after 2 weeks. The feasibility was tested by missing responses and response distribution. The internal co... Mehr ...