Volume 11, Issue 3 (10-2015)
J Health Syst Res 2015, 11(3): 613-626 |
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Haddad Khoshkar A, Jafari-Koshki T, Mahaki B. A Comparative Study on Ecological Regression Models in Breast Cancer Risk in Iran, 2005- 2008. J Health Syst Res 2015; 11 (3) :613-626
URL: http://hsr.mui.ac.ir/article-1-791-en.html
URL: http://hsr.mui.ac.ir/article-1-791-en.html
1- Department of Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
2- Department of Biostatistics, School of Health, Qom University of Medical Sciences, Qom, Iran
3- Assistant Professor, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
2- Department of Biostatistics, School of Health, Qom University of Medical Sciences, Qom, Iran
3- Assistant Professor, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
Abstract: (1263 Views)
Background: Breast cancer is the leading cancer among women in Iran with standardized incidence rate of 28.25. With regard to the aging, increasing cancer trends in Iranian population, the importance, and geographical variations of this cancer, it is necessary to identify regions with high breast cancer incidence. This information on geographical patterns can determine the breat cancer risk factors using advanced statistical methods.Methods: In the present ecological study, the breast cancer registry data in Iran from 2005 to 2008 was used. We assessed the effect of cigarette smoking, fruit and vegetable consumption, physical activity, overweightness, and socioeconomic status on breast cancer incidence using gamma-poisson, log-normal and Besag, York, and Mollie (BYM) models.Findings: Total number of registered new breast cancer cases was 25152. Among the fitted models, unadjusted BYM had the best performance. In this model, Isfahan, Yazd, and Tehran had the highest and Sistan-Baluchestan and Chaharmahal- Bakhtiyari had the lowest incidence rate. After confounder’s adjustment, the incidence was the highest in Khorasan-Razavi, Lorestan, and Hamadan and the lowest in Ardebil and Kohgiluyeh-Boyerahmad. More results showed that there was positive significant association between the human development index (HDI) and the breast cancer incidence.Conclusion: The BYM model as the best fitted model in this paper, can use as more applicable model in future. The incidence is generally high in central provinces of Iran. Due to significant relationsip between the human development index (HDI) and breast cancer, it is recommended to take it into account as a risk factor in advanced researches. Key Words: Disease Mapping, Breast Cancer, Human Development Index, BYM Model
Type of Study: Research |
Subject:
education health and promotion
Received: 2020/07/16 | Accepted: 2015/10/15 | Published: 2015/10/15
Received: 2020/07/16 | Accepted: 2015/10/15 | Published: 2015/10/15
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