TY - JOUR JF - MJIRI JO - Med J Islam Repub Iran VL - 34 IS - 1 PY - 2020 Y1 - 2020/2/01 TI - Indirect estimation of student marijuana consumers population in Hamadan using PRM and NSU methods TT - N2 - Background: Finding social causes of a particular disease or specific health problem in groups or hidden illnesses, such as drug misuse is difficult. To estimate the population size, it should be taken into account that under enumeration usually occurs in direct estimation of population of certain high-risk groups. The present study used indirect methods to accurately estimate the population of students who have once experienced marijuana abuse. Methods: This cross sectional research was conducted on 461 students in Hamadan. Two indirect methods, the Network Scale-up (NSU) and proxy respondent method (PRM), were used. Data were analyzed by statistical tests and SPSS version 16 and Excel. Results: The mean age (standard deviation) was 22.51 (4.19 years), and the prevalence of marijuana misuse was 1.94%, 4.12%, and 2.6%, respectively, in girls and 14.57%, 12.58%, and 10.4% in boys using NSU, PRM, and direct method. Conclusion: Direct and NSU methods had higher bias than PRM, the frequency of PRM was closer to reality, and the once use prevalence of marijuana was higher in the young male population than in the female. SP - 1092 EP - 1098 AU - Halimi, Leyla AU - Babamiri, Mohammad AU - Hamidi, Yadollah AU - Majdzadeh, Reza AU - Soltanian, Ali Reza AD - Department of Biostatistics & Epidemiology and Research Center for Health Sciences, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran KW - Social network KW - Indirect estimation KW - Marijuana consumer KW - Network scale-up (NSU) KW - Proxy respondent method (PRM) UR - http://mjiri.iums.ac.ir/article-1-6263-en.html DO - 10.47176/mjiri.34.160 ER -