Bosch, L.M. (2015) Reliability and convergent validity of the adjusted SQUASH and a sedentary behavior questionnaire among adults with a physical disability or chronic disease. thesis, Human Movement Sciences.
Full text available on request.Abstract
Introduction: People with a physical disability or chronic disease are often limited in performing everyday activities, which may lead to decreased levels of activity. Moreover, this group is expected to spend more time in sedentary behavior than the healthy population. To help better assess the physical activity levels of people with a physical disability or chronic disease, the adjusted SQUASH (Short QUestionnaire to ASsess Health enhancing physical activity) and a new questionnaire on sedentariness (SEBEQ) were developed. The aim of this study was to investigate the test-retest reliability and the convergent validity of the adjusted SQUASH and SEBEQ among adults with a physical disability or chronic disease. The Actiheart, a combined activity- and heart rate monitor, was used as golden standard for total MET-min, total counts per week (CPW) and the minutes of sedentary behavior. Method: 32 participants (58.9 ± 12.0 years), diagnosed with among others heart failure, cerebrovascular accident (CVA) and other brain injuries, were asked to wear the Actiheart for seven consecutive days. Upon that period, the participants completed the adjusted SQUASH and the SEBEQ twice within two weeks, retrospectively. Results: The ICC for the test-retest reliability of the total adjusted SQUASH was 0.61 (p<0.001, N=28). For the light, moderate and vigorous intensity categories, the ICC were respectively 0.62 (p<0.001, N=28), 0.18 (p=0.18, N=28) and 0.71 (p<0.001, N=28). The ICC for the test-retest reliability of the SEBEQ was 0.45 (p=0.02, N=22). The Spearman correlation for the validity of the adjusted SQUASH score and the Actiheart was 0.19 (p=0.47, N=17). The Pearson correlation for the validity of the SEBEQ and the Actiheart was 0.13 (p=0.65, N=15). Conclusion: The test-retest reliability of the total adjusted SQUASH and the SEBEQ can be considered as fair to good among this population. The validity of the adjusted SQUASH was insufficient to assess the physical activity among adults with a physical disability or chronic disease. Further analysis with an objective tool that accurately measures the physical activity in this population is needed to validate the adjusted SQUASH. The validity of the SEBEQ was insufficient in this population, so a better approach to measure sedentary behavior with accelerometer data has to be developed for this population. keywords: physical activity, lifestyle, sedentariness behavior, physically disabled.
| Item Type: | Thesis (UNSPECIFIED) |
|---|---|
| Supervisor name: | Alingh, R.A. and Woude, prof. dr. L.H.V. van der |
| Faculty: | Medical Sciences |
| Date Deposited: | 08 Apr 2022 11:31 |
| Last Modified: | 08 Apr 2022 11:31 |
| URI: | https://umcg.studenttheses.ub.rug.nl/id/eprint/3069 |
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