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Effects of having usual source of care on preventive services and chronic disease control: a systematic review
Min Young Kim1, Ju Heon Kim, Il-Kwon Choi
1Department of Family Medicine, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.
Background:
Having usual source of care has been associated with improved receipt of preventive services and control of chronic diseases (such as hypertension, diabetes, and hypercholesterolemia). The objective of this study was to examine whether having usual source of care is associated with improved receipt of preventive services and control of chronic diseases.
Methods:
We searched MEDLINE, EMBASE, Cochrane, CINAHL, KMbase, KoreaMed, RiSS4U, National Assembly Library, and KISS for studies released through May 31st 2011. Two authors independently extracted the data. We manually searched the references and twenty recent related articles on PubMed. To assess the risk of bias RoBANS tool was used.
Results:
We identified 10 studies. Most having usual source of care were associated with improved receipt of preventive services (cervical cancer screening, clinical breast exam, mammogram, prostate cancer screening, and flu shot) compared with no usual source of care. However, gastric cancer and colon cancer screening were difficult to conclude and blood pressure checkup showed mixed results. Overall there was no association between having usual source of care and smoking behaviors and the effect on chronic disease control was difficult to conclude.
Conclusion:
Having usual source of care was associated with improved receipt of preventive services and overall the results were consistent. So, the results suggested that having usual source of care may help to receive preventive services. Hereafter, cohort studies are needed to evaluate casual relationships and more studies are needed in various countries and systems.
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