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Full-Text Articles in Biostatistics
Social Ecological Factors Affecting Substance Abuse In Ghana (West Africa) Using Photovoice, Ahmed Kabore, Evans Afriyie-Gyawu, James Awuah, Andrew R. Hansen, Ashley Walker, Melissa Hester, Moussa Aziz Wonadé Sié, Dhruv Medarametla, Nicolas Meda
Social Ecological Factors Affecting Substance Abuse In Ghana (West Africa) Using Photovoice, Ahmed Kabore, Evans Afriyie-Gyawu, James Awuah, Andrew R. Hansen, Ashley Walker, Melissa Hester, Moussa Aziz Wonadé Sié, Dhruv Medarametla, Nicolas Meda
Department of Biostatistics, Epidemiology, and Environmental Health Sciences Faculty Publications
Introduction: substance abuse is an important public health issue affecting West Africa; however, there is currently a dearth of literature on the actions needed to address it. The aim of this study was to assess the risks and protective factors of substance abuse in Ghana, West Africa, using the photovoice method.
Methods: this study recruited and trained 10 participants in recovery from substance abuse and undergoing treatment in the greater Accra region of Ghana on the photovoice methodology. Each participant received a disposable camera to take pictures that represented the risk and protective factors pertinent to substance abuse …
Use Of Complementary And Alternative Medicine Among People With Cardiovascular Diseases In Southeast Georgia, Chimuanya Okoli, Stacy Carswell, Sewuese Akuse, Kelly L. Sullivan
Use Of Complementary And Alternative Medicine Among People With Cardiovascular Diseases In Southeast Georgia, Chimuanya Okoli, Stacy Carswell, Sewuese Akuse, Kelly L. Sullivan
Department of Biostatistics, Epidemiology, and Environmental Health Sciences Faculty Publications
Background: Heart disease is a leading cause of death in the United States. Proper treatment of patients with cardiovascular disease is essential and can be challenged by non-disclosed use of complementary or alternative treatments. The objective of this study was to assess which demographics were associated with complementary and alternative medicine (CAM) use and if education affects the use of CAM.
Methods: A cross-sectional survey was conducted among a stratified random sample of residents of Southeastern Georgia. Sampling was stratified by urban/rural residence in order to reach sufficient rural residents. Participants that indicated they had been diagnosed with hypertension or …
Quasi-Likelihood Ratio Tests For Homoscedasticity Of Variance In Linear Regression, Lili Yu, Varadan Sevilimedu, Robert Vogel, Hani Samawi
Quasi-Likelihood Ratio Tests For Homoscedasticity Of Variance In Linear Regression, Lili Yu, Varadan Sevilimedu, Robert Vogel, Hani Samawi
Department of Biostatistics, Epidemiology, and Environmental Health Sciences Faculty Publications
Two quasi-likelihood ratio tests are proposed for the homoscedasticity assumption in the linear regression models. They require few assumptions than the existing tests. The properties of the tests are investigated through simulation studies. An example is provided to illustrate the usefulness of the new proposed tests.