Abstract
BackgroundThis study aimed to evaluate the reliability and validity of two self-report physical activity (PA) questionnaires - the AQuAA (Activity Questionnaire for Adults and Adolescents) and PASE (Physical Activity Scale for the Elderly) - in cancer patients.MethodsTest-retest reliability was determined by administering the questionnaires twice within 5 days. Intraclass correlation coefficient (ICC), standard error of measurement (SEM) and smallest detectable difference (SDD) were calculated. Construct validity was determined by comparing the questionnaire results with ActiGraph accelerometer scores using Spearman correlation coefficients (rs) and ICCs. Content validity was examined using the Three-Step Test-Interview (TSTI).ResultsReliability for the AQuAA scores were fair to excellent (ICC = 0.57 to 0.78). Reliability for the PASE scores ranged from good to excellent (ICC = 0.67 to 0.90). Correlations between the ActiGraph and the AQuAA and the PASE were low (rs = 0.05 and 0.16 respectively, and ICC = -0.001 to 0.44). The TSTI showed that participants experienced difficulties with the examples provided with the questions, the perceptions of intensity level of PA, and with recalling the time spent on PA.ConclusionsBoth questionnaires showed good to excellent test-retest reliability for most scores. Construct validity of both questionnaires was low, as indicated by the low correlations with the ActiGraph. Except for a few difficulties that participants perceived when filling out the questionnaires, the content validity of both questionnaires was good.
Highlights
This study aimed to evaluate the reliability and validity of two self-report physical activity (PA) questionnaires - the AQuAA (Activity Questionnaire for Adults and Adolescents) and PASE (Physical Activity Scale for the Elderly) - in cancer patients
One study showed that the Physical Activity Recall (PAR) had superior validity compared to the International Physical Activity Questionnaire (IPAQ) [13]
Study Sample Patients were recruited from the departments of Hematology, Oncology, Radiotherapy and Gynaecology of Academic Medical Centre (AMC) and the VU University Medical Center (VUmc) in Amsterdam from January to April 2010
Summary
This study aimed to evaluate the reliability and validity of two self-report physical activity (PA) questionnaires - the AQuAA (Activity Questionnaire for Adults and Adolescents) and PASE (Physical Activity Scale for the Elderly) - in cancer patients. Cancer and its treatment are associated with considerable long-term psychosocial and physical symptoms, including an increased risk of developing anxiety and depression, reduced physical fitness and cancer-related fatigue [3,4]. This may negatively impact a patient’s quality of life (QoL) [3]. Used questionnaires to evaluate PA levels in cancer patients are the Godin Leisure Time Exercise Questionnaire (GLTEQ) [9], the 7-day Physical Activity Recall (PAR) [10] and the PA measure of the Women’s Health Initiative (WHI) [11]. Another study found comparable validity between the PA measure of the Women’s Health Initiative PA questionnaire (WHI) and the PAR [14]
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