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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

The influence of local area physician supply on the dispersion of care among Medicare patients with a consistent diagnosis

Fu, An-Chen 01 December 2009 (has links)
Background: With healthcare costs increasing faster than inflation in the United States. it is expected that fewer people will be able to afford health care in the future without changes to the healthcare system. It has been argued that much of the healthcare utilization presently observed is unnecessary and that a large portion of this wasteful spending can be attributed to the characteristics of local area physician supply and specialty mix. These arguments are based on observed positive correlations between local area health utilization and the local area supply of physicians and physician specialists. Commentators suggest that greater physician supply leads to the use of more physicians by patients resulting in diffuse, uncoordinated, and wasteful care. There have been calls for modifying the physician training system in the United States based on these correlations. However, we have found no studies demonstrating direct relationships between local area physician supply and the use of physicians by individual patients. Studies in physician-induced demand theory have examined the relationships between physician supply and healthcare utilization, whereas studies of physician referrals have only investigated the effects of local supply on referral rates not the number of physicians used by patients. Method: We isolated a set of patients with a consistent diagnosis and course of treatment (stage III colorectal cancer Medicare patients receiving surgery and chemotherapy but not radiation therapy) and investigated whether local area physician supply leads to the use of more physicians by these patients and more diffuse care across physicians during their first treatment course. Result: Our results show that not only the specialists' characteristics but also the market level variable as local physician supply affect the care dispersion in terms of numbers and specialty mix of physicians treating colorectal cancer patients with the same condition. Discussion: According to these findings, it is suggested that local physician supply has the causal relationship between the patterns of care dispersion. Supply of primary care physicians and oncology specialists tend to spur the physician utilization across four specialty groups which are more likely to have discretionary utilization.
2

Social engagement as a predictor of health services use in baby-boomers and older adults

McArthur, Jennifer Meghan 28 August 2013 (has links)
Purpose: To examine the relationship between social engagement (SE) and health care use (HCU) in baby-boomers (age 45-64) and older adults (65+). Methods: Data from the Wellness Institute Services Evaluation Research III was used. SE was assessed using measures of formal, informal, and civic activities. HCU was assessed using administrative health care records (hospital use and length of stay, overall general and family physician use). Results: Higher formal SE indicated higher contact with physicians in general, higher hospital visits, and longer lengths of stay in hospital. Higher informal SE indicated shorter lengths of stay. Results were found while controlling for demographic variables, chronic conditions, and self-rated health. Older adults had higher HCU overall, compared to baby-boomers. Conclusion: While further research is necessary, this study has implications in determining the impact that certain types of SE can have on the health care system for different age groups.
3

Social engagement as a predictor of health services use in baby-boomers and older adults

McArthur, Jennifer Meghan 28 August 2013 (has links)
Purpose: To examine the relationship between social engagement (SE) and health care use (HCU) in baby-boomers (age 45-64) and older adults (65+). Methods: Data from the Wellness Institute Services Evaluation Research III was used. SE was assessed using measures of formal, informal, and civic activities. HCU was assessed using administrative health care records (hospital use and length of stay, overall general and family physician use). Results: Higher formal SE indicated higher contact with physicians in general, higher hospital visits, and longer lengths of stay in hospital. Higher informal SE indicated shorter lengths of stay. Results were found while controlling for demographic variables, chronic conditions, and self-rated health. Older adults had higher HCU overall, compared to baby-boomers. Conclusion: While further research is necessary, this study has implications in determining the impact that certain types of SE can have on the health care system for different age groups.

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