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Journal of Biostatistics and Epidemiology، جلد ۲، شماره ۴، صفحات ۱۷۳-۱۷۹
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عنوان انگلیسی Comparing Bayesian regression and classic zero-inflated negative binomial on size estimation of people who use alcohol
چکیده انگلیسی مقاله Background & Aim: Nowadays, we have some data in different sciences which number of zeros is more than expected, such data are called zero-inflated which can be modeled by regressions for count data. Many researches have been conducted in the field of classical method on count data. Most of Bayesian analysis which is conducted for these data used zero-inflated Poisson regression. Therefore, the main purpose of this research is comparison of Bayesian and classic approaches in regression of zero-inflated negative binomial (NB) on data for determining the size estimation of people who have used alcohol more than once in last year. Methods & Materials: This research had been in two provinces of Fars and Kerman in 2011, a sample size of each province was formed proportional to people of that province, and totally the calculated sample size was 700. Zero-inflated NB regression was fitted to the data in two Bayesian and classical methods, and then two methods have been compared. Results of Bayesian method were extracted in OpenBUGS software and through related codes in R and results of classical method were extracted in R software too. Results: After fitting classical method, variables of province, gender, age groups, and education had been effective on identifying number of alcoholics, but in Bayesian method, three variables of gender, age groups, and education have become significant. In this research, it was specified that obtained probability intervals from Bayesian method are much Widder than classical method. Conclusion: Results of this research indicate that Bayesian method has better function than the classic
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نویسندگان مقاله سپیده روحی | sepideh roohi
modeling in health research center, institute for futures studies in health and department of biostatistics and epidemiology, school of public health, kerman university of medical sciences kerman, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (Kerman university of medical sciences)

محمدرضا بانشی | mohammad reza baneshi
psychiatrist, iranian national center for addiction studies and department of neuroscience and addiction, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

علیرضا نوروزی | alireza noroozi
department of psychiatric, research center of addiction and risky behavior, iran university of medical sciences, tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (Iran university of medical sciences)

احمد حاجبی | ahmad hajebi
department of biostatistics and epidemiology, modeling in health research center, institute for futures studies in health, kerman university of medical sciences, kerman, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (Kerman university of medical sciences)

عباس بهرامپور | abbas bahrampour


نشانی اینترنتی http://jbe.tums.ac.ir/index.php/jbe/article/view/130
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/362/article-362-472325.pdf
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article(s)
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