The burden of this disease on individuals and the healthcare system is typically a result of fragility fractures that may result in immobility and hospitalization. Osteoporosis is characterized by low bone mass and deterioration of bone tissue. Upon further validation it is expected that this measure might be used to develop more client-centered exercise programs, and potentially improve adherence. Using an iterative approach, the development and evaluation of the PEQ demonstrated high item-content validity for assessing the facilitators, barriers, and preferences to exercise in people with osteoporosis. There are 35 categorical questions and 3 open-ended items. The 6 domains are: 1) support network 2) access 3) goals 4) preferences 5) feedback and tracking and 6) barriers. The tool consists of 6 domains and 38 questions. Through qualitative methods, items were improved until saturation was achieved. Preliminary versions of this tool showed high content validity of individual items (I-CVI range: 0.50 to 1.00) and moderate to high overall content validity of the PEQ (S-CVI/UA = 0.63 S-CVI/Ave = 0.91). There are two kinds of CVI: Item-CVI (I-CVI) and Scale-level CVI (S-CVI).
Content Validity Index (CVI) is the most commonly used method to calculate content validity quantitatively. A panel of 42 experts was used to validate the instrument through quantitative (content validity) and qualitative (cognitive interviewing) methods. This study comprises two phases, instrument design and judgmental evidence. The purpose of this study was to develop the Personalized Exercise Questionnaire (PEQ) to identify these facilitators, barriers, and preferences to exercise in people with osteoporosis. Understanding exercise facilitators, barriers, and preferences may provide an opportunity to personalize exercise prescription and improve adherence. Despite the widely known benefits of exercise and physical activity, adherence rates to these activities are poor.
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