Abstract
Summary
Individuals with HIV are at increased risk for osteoporosis and fracture. Using the Health Beliefs Model, we identified key relationships between knowledge, self-efficacy and health beliefs pertaining to physical activity and dietary calcium intake, two key modifiable preventive measures for osteoporosis.
Purpose
Individuals with HIV are at increased risk for osteoporosis and fracture. Few studies have systematically explored concerns related to osteoporosis prevention among this group. Applying the Health Beliefs Model (HBM), we examined associations between osteoporosis-related preventive health behaviors (i.e., physical exercise and dietary intake) and knowledge, self-efficacy and health beliefs in a large cohort of Chinese individuals with HIV.
Methods
We conducted a cross-sectional study with participants from an ongoing multi-center trial. Volunteers completed a questionnaire consisting of the International Physical Activity Questionnaire (IPAQ), a calcium and vitamin D intake assessment, the Osteoporosis Knowledge Test, Osteoporosis Self-Efficacy Scale, Osteoporosis Health Beliefs Scale, and relevant sociodemographic and clinical risk factors.
Results
A total of 263 of 297 eligible participants enrolled in this study. Mean age of participants was 38.4 ± 9.8 years, average BMI was 21.6 ± 2.6 kg/m2, and 76 % were men. About 30 % of the sample reported low physical activity. Consumption of foods from each calcium and vitamin D-rich category averaged between multiple times per month to weekly. Knowledge regarding osteoporosis was universally low and self-efficacy correlated directly with engagement in preventive behaviors. Women and individuals with lower education perceived greater barriers to adopting preventive behaviors. Multivariate logistic regression adjusted for age, sex and BMI showed that calcium and vitamin D intake was directly correlated with knowledge and self-efficacy, whereas physical activity correlated with manual labor occupation, perceived barriers to exercise and health motivation.
Conclusions
Behavioral frameworks such as the HBM may provide important insight into promoting adoption and maintenance of osteoporosis-related preventive behaviors among individuals with HIV.
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Acknowledgements
We recognize deep gratitude to all the study participants and to the participating centers of the original parent study for their efforts: The Infectious Disease Hospital of Henan Province (Yun He and Hong Li); Shanghai Public Health Clinical Center, Fudan University (Li Liu and Lin Pan); Fuzhou Infectious Diseases Hospital, Fujian Medical University (Hanhui Ye and Aiqiong Huang); Guangzhou No.8 People's Hospital (Xiaoping Tang and Jiansheng Zhang); Shenzhen Third People's Hospital (Boping Zhou and Hui Wang); Beijing You’an Hospital, Capital Medical University (Tong Zhang and Wei Xia); Beijing Ditan Hospital, Capital Medical University (Hongxin Zhao and Guiju Gao); Yunnan AIDS Care Center (Huiqin Li and Shizhen Huang); The First People's Hospital of Honghe State (Xinhua Wu); Tangdu Hospital, Xi’an Fourth Military Medical University (Yongtao Sun, Qin Liu); Kunming Third People's Hospital (Jinsong Bai, Bo Tian). We would also like to acknowledge Phyllis Gendler (Grand Valley State University Kirkof College of Nursing, Grand Rapids, Michigan) and YuPing Chen (Zhujiang Hospital, Nanfang University, Guangzhou) for permission to use the OKT, OSES, and OHBS tools in English and Mandarin respectively, and Qian Zhang (National Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing) and Wei Chen (Department of Parenteral and Enteral Nutrition, PUMCH, Beijing) for their input during development of the Dietary Intake assessment tool, and Michael T. Yin (Columbia University Medical Center, New York, New York) for his advice regarding sociodemographic and clinical risk factor measures. We also thank the team at the PUMCH HIV/AIDS Center for Treatment and Diagnosis for their help piloting the questionnaire and preparing study materials: Shanshan Du, Xiaojing Song, and Yanling Li, Jing Xie, Ling Luo, Lixia Zhang and Yijia Li.
Preliminary data from this study was previously presented as an abstract at the 2014 European Workshop for Rheumatology Research in Lisbon, Portugal [49]. This study was funded by the China National Key Technologies R&D Program for the 12th Five-year Plan (2012ZX10001-003). E.H. is funded by the Rheumatology Research Foundation Scientist Development Award. L.F. is supported by NIAMS K24 AR060231-01.
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Ethical standards
This study was reviewed and approved by the institutional review board of PUMCH and the human investigations committee of Yale School of Medicine prior to initiation, and was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
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An abstract based upon a preliminary analysis of the dataset was published in a supplement to Annals of Rheumatic Diseases: http://ard.bmj.com/content/73/Suppl_1.toc; http://ard.bmj.com/content/73/Suppl_1/A62.2.abstract?sid=dd1f3954-9a23-47d6-b826-5b9e4d39dd88
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Hsieh, E., Fraenkel, L., Bradley, E.H. et al. Osteoporosis knowledge, self-efficacy, and health beliefs among Chinese individuals with HIV. Arch Osteoporos 9, 201 (2014). https://doi.org/10.1007/s11657-014-0201-4
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DOI: https://doi.org/10.1007/s11657-014-0201-4