The International Physical Activity Questionnaire – Short Form (IPAQ-SF) is not valid for assessing physical activity in Chronic Fatigue Syndrome Vrije Universiteit Brussel
PURPOSE: To evaluate the criterion validity and internal consistency of the International Physical Activity Questionnaire-short form (IPAQ-sf) in Chronic Fatigue Syndrome (CFS) patients.
METHOD: Fifty-six CFS patients completed the IPAQ-sf after they wore a tri-axial accelerometer and filled out activity diaries during 1 week. Spearman rank correlation coefficients and Cronbach's Alpha were calculated.
RESULTS: The IPAQ-sf ...
METHOD: Fifty-six CFS patients completed the IPAQ-sf after they wore a tri-axial accelerometer and filled out activity diaries during 1 week. Spearman rank correlation coefficients and Cronbach's Alpha were calculated.
RESULTS: The IPAQ-sf ...