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Comparison of the Prevalence and Risk Factors of Hepatitis a in 10 to 18-Year-Old Adolescents of Sixteen Iranian Provinces: The Caspian-Iii Study Publisher



Mostafavi N1 ; Kelishadi R1 ; Kazemi E2 ; Ataei B3 ; Yaran M4 ; Motlagh ME5 ; Qorbani M6, 7 ; Heshmat R7 ; Tajadini MH8 ; Hoseini SG2
Authors
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Authors Affiliations
  1. 1. Pediatrics Department Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Nosocomial Infection Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Acquired Immunodeficiency Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  5. 5. Pediatrics Department, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  6. 6. Department of Community Medicine, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
  7. 7. Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  8. 8. Applied Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Hepatitis Monthly Published:2016


Abstract

Background: Hepatitis A is a common health concern both in developing and developed countries. Hygienic and socioeconomic parameters deeply impact the prevalence and transmission of this disease. Evaluating the epidemiological distribution and risk factors for Hepatitis A virus (HAV) is necessary for policy makers to improve local and national preventive measures. Objectives: The aim of this study was to compare the prevalence of hepatitis A infection in a sample of Iranian adolescents living in different provinces of Iran and to assess its family- and community-related risk factors. Methods: In this cross-sectional study, serum samples of 10 to 18-year-old adolescents, who were studied in a national health survey, were examined for anti-HAV antibodies. A total of 2,494 subjects were included from 16 provinces by multistage random cluster sampling. Demographic and socioeconomic factors related to HAV transmission were extracted by valid questionnaires. A multilevel analysis using mixed-effects logistic regression (melogit) was used to evaluate the association of risk factors with HAV infection. Results: The weighted prevalence of HAV varied significantly across the studied provinces (P = 0.001), ranging from 50.43% in the Fars province to 78.81% in Markazi province. HAV was significantly more prevalent in children whose mothers worked outside of the home (OR, 1.73; 95% CI, 1.14-2.62; P = 0.009). Conclusions: The risk of symptomatic HAV infection is considerable in adolescents of all studied provinces; thus, universal HAV vaccination is recommended for all adolescents, regardless of their socioeconomic level. However, the risk is higher in some provinces, which seem to be transitioning from intermediate to low endemicity. © 2016, Kowsar Corp.
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