Comparison of Physical Activity Using Questionnaires (Leisure Time Physical Activity Instrument and Physical Activity at Home and Work Instrument) and Accelerometry in Fibromyalgia Patients: The Al-Ándalus Project

The LTPAI and PAHWI and the accelerometer differ greatly when assessing PA. Furthermore, the LTPAI and PAHWI did not show good levels of test-retest reliability. Therefore, the self-administered LTPAI and PAHWI show questionable usefulness to assess PA in populations with fibromyalgia.