Medical Journal of the Islamic Republic Of Iran
مجله پزشکی جمهوری اسلامی ایران
Med J Islam Repub Iran
Medical Sciences
http://mjiri.iums.ac.ir
2
journal2
1016-1430
2251-6840
8
10.18869/mjiri
14
8888
13
en
jalali
1397
11
1
gregorian
2019
2
1
33
1
online
1
fulltext
en
Determination of effective factors on geographic distribution of the incidence of colorectal cancer in Tehran using geographically weighted Poisson regression model
Epidemiology
Epidemiology
Original Research
Original Research
<strong>Background: </strong>This study aimed to determine effective factors on geographic distribution of the Incidence of Colorectal Cancer (CRC) in Tehran, Iran using Geographically Weighted Poisson Regression Model.<br>
<strong>Methods:</strong> This ecological study was carried out at neighborhood level of Tehran in 2017-2018. Data for CRC incidence was extracted from the population-based cancer registry data of Iran. The socioeconomic variables, risk factors and health costs were extracted from the Urban HEART Study in Tehran. Geographically weighted Poisson regression model was used for determination of the association between these variables with CRC incidence. GWR 4, Stata 14 and ArcGIS 10.3 software systems were used for statistical analysis.<br>
<strong>Results: </strong>The total number of incident CRC cases were 2815 in Tehran from 2008 to 2011, of whom, 2491 cases were successfully geocoded to the neighborhood. The median IRR for local variables were : unemployed people over 15 year old (median IRR: 1.17), women aged 17 years or older with university education (median IRR: 1.17), women head of household (median IRR: 1.06), people without insurance coverage (median IRR: 1.10), households without daily consumption of milk (median IRR: 0.85), smoking households (median IRR: 1.07), household’s health expenditure (median IRR: 1.39), disease diagnosis costs (median IRR: 1.03), medicines costs of households (median IRR: 1.05), cost of the hospital (median IRR: 1.09), cost of medical visits (median IRR: 1.27).<br>
<strong> Conclusion:</strong> The spatial variability was observed for most socioeconomic variables, risk factors and health costs that had effects on CRC incidence in Tehran. Spatial variability is necessary when interpreting the results and utterly helpful for implementation of prevention programs.
Spatial epidemiology, Colorectal cancer, Socioeconomic, Risk factors, Health expenditures
133
142
http://mjiri.iums.ac.ir/browse.php?a_code=A-10-2255-4&slc_lang=en&sid=1
Kamyar
Mansori
kamyarmansori@yahoo.com
200319475328460062813
200319475328460062813
No
1. Social Determinants of Health Research Center, Semnan University of Medical Sciences, Semnan, & Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
Masoud
Solaymani-Dodaran
kamyarmansori@yahoo.com
200319475328460062814
200319475328460062814
No
Minimally Invasive Surgery Research Center, Rasoul Akram Hospital, Iran University of Medical Science, Tehran, Iran
دان
Alireza
Mosavi-Jarrahi
kamyarmansori@yahoo.com
200319475328460062815
200319475328460062815
No
Department of Health and Community Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Ali
Ganbary Motlagh
kamyarmansori@yahoo.com
200319475328460062816
200319475328460062816
No
Department of Radiotherapy, Shahid Baheshti University of Medical Sciences, Tehran Iran
Masoud
Salehi
kamyarmansori@yahoo.com
200319475328460062817
200319475328460062817
No
Department of Biostatistics, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
Alireza
Delavari
kamyarmansori@yahoo.com
200319475328460062818
200319475328460062818
No
Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
Ali
Hosseini
a.hosseini@ut.ac.ir
200319475328460062819
200319475328460062819
No
Department of Geography and Urban Planning, University of Tehran, Tehran, Iran
Mohsen
Asadi-Lari
kamyarmansori@gmail.com
200319475328460062820
200319475328460062820
Yes
Department of Epidemiology, School of Public Health, & Oncopathology Research Centre, Iran University of Medical Sciences, Tehran, Iran