Background: Smokeless tobacco use is a public health problem in some parts of the world. The major objective of this study was to investigate the reasons and factors of consumption. Methods: A content analysis was conducted on articles for the past thirty years (1989-2019). We reviewed and selected 400 abstracts of original articles from PubMed databases by the search strategy, and reviewed one by one. Among these, 45 abstracts were selected, in which the patterns of use, the reasons for using, and the determinants and predictors were described. Eleven papers were selected based on the results and related to the research objectives. The results of these articles were evaluated precisely word by word and phrase by phrase with content analysis method and inductive approach. Results: The reasons for the use of smokeless tobacco fell in two main themes: socio-cultural structure; and, beliefs, each contained Sub-themes such as "culture and living conditions", "laws", "family and peer relationships", "beliefs related to psychological" and "beliefs related to physical influences", "beliefs", "The role of harm perceptions ". Conclusion: There was a difference between beliefs, cultures and social conditions among the people about using of smokeless tobacco and the association of these factors is investigated in future studies. We also suggest for the prevention and control of smokeless tobacco use, cultural norms and beliefs will need to address adequately.

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The purpose of this study was to determine the prevalence of types of smokeless tobacco use between students in the city of Chabahar. A total of 105 students were selected from the schools of Chabahar city. The sample size was calculated using the G*Power software. For a questionnaire by the test-retest exam for knowledge and attitude structures, the reliability of the test (Pearson correlation coefficient's) was 98% and 94%. The Cronbach alpha of these structures was about 74%. The CVR for these structures was 93% for knowledge and 88% for the structure of the attitude. Data was analyzed using the SPSS16 software. In this study, 14 students (13%) had a history of previous use and 48 students (45.7%) reported having had tobacco use at least once, 30 days before studying. The Pearson Correlation Test indicated a significant relationship between smokeless tobacco use with the family number (-0.224), mother's literacy (0.219), and father's literacy (0.224). The number of smokeless tobacco users who had consumed at least once in the last month of the study were Pan 26 (24.8%), Gutkah 9 (8.6%), and Biti 5 (4.8%). The results of the study show that the prevalence of smokeless tobacco use in students around the city of Chabahar is high.

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