Comparison of a video versus paper questionnaire on functional limitation in lower limb osteoarthritis

The video Animated Activity Questionnaire (AAQ) was developed to assess the impact of lower limb osteoarthritis (OA) on daily functional activities. The objective of the study was to compare the video and the HOOS/KOOS paper questionnaires and to assess the effect of order of administration.Patients recruited in the KHOALA cohort were randomized in two groups: AAQ questionnaire first (AAQ-first group) and HOOS (hip)/KOOS (knee) questionnaire...