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This study was conducted to estimate the prevalence and associated factors of STIs among non-injecting methamphetamine (MA) users in Eastern China.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A cross-sectional survey was conducted among 632 MA users in Eastern China in 2017. Demographic characteristics, sexual behaviors, behaviors of MA use and sexual health knowledge were collected through questionnaire. First pass urine specimens were collected and detected for deoxyribonucleic acid (DNA) of Neisseria gonorrhoeae (NG) and Chlamydia trachomatis (CT) with Nucleic Acid Amplification Technology (NAAT), while blood specimens were collected and detected for antibodies of Human immunodeficiency virus (HIV), Herpes simplex virus type-2 (HSV-2), and syphilis with enzyme-linked immune sorbent assay (ELISA).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Among the 632 MA users, 464 (73.42%) were males, 60.92% were &lt;\u200935\u00a0years of age, 546 (86.39%) were Shandong residents. 317 (50.16%, 95% CI 46.26\u201354.06%) participants were tested positive for at least one kind of STIs, including 242 (38.29%, 95% CI 34.50\u201342.08%) for HSV-2, 107 (16.93%, 95% CI 14.01\u201319.85%) for active syphilis, 46 (7.28%, 95% CI 5.25\u20139.31%) for treated syphilis, 40 (6.33%, 95% CI 4.43\u20138.23%) for CT, 6 (0.95%, 95% CI 0.19\u20131.71%) for HIV, and 3 (0.47%, 95% CI 0.06\u20131.00%) for NG infection. 99 (15.66%, 95% CI 12.83\u201318.49%) participants were co-infected with two kinds of STIs, including 91 (14.40%, 95% CI 11.66\u201317.14%) participants were co-infected with HSV-2 and syphilis. 14 (2.22%, 95% CI 1.07\u20133.37%) participants were co-infected with three kinds of STIs, and 4 HIV positive participants were co-infected with both syphilis and HSV-2. In the multiple logistic regression analysis, the results showed that females (adjusted OR [AOR]\u2009=\u20097.30, 95% CI 4.34\u201312.30) and individuals \u2265\u200935\u00a0years of age (AOR\u2009=\u20092.97, 95% CI 2.04\u20134.32) were more likely to test positive for STIs among MA users, whereas participants who acquired sexual health knowledge primarily from the Internet (AOR\u2009=\u20090.57, 95% CI 0.40\u20130.82) and those whose regular partners did not use drugs (AOR\u2009=\u20090.59, 95% CI 0.37\u20130.94) were less likely.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This study found that the prevalence of HSV-2 and syphilis are alarming high among non-injecting MA users in Shandong Province in Eastern China. The prevention and control intervention of STIs among MA users in Shandong were needed, especially on females and MA users \u2265\u200935\u00a0years of age.<\/jats:p><\/jats:sec>","DOI":"10.1186\/s12879-021-06987-8","type":"journal-article","created":{"date-parts":[[2022,1,4]],"date-time":"2022-01-04T10:08:03Z","timestamp":1641290883000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Prevalence and associated factors of sexually transmitted infections among methamphetamine users in Eastern China: a cross-sectional study"],"prefix":"10.1186","volume":"22","author":[{"given":"Xing","family":"Ye","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fu-Rong","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qing","family":"Pan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhen","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gong-Qi","family":"Yu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jian","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peng-Cheng","family":"Huai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fu-Ren","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,1,4]]},"reference":[{"key":"6987_CR1","unstructured":"United Nations Office on Drugs and Crime. 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Ethical approval was obtained from the Ethics Committee of Shandong Provincial Institute of Dermatology and Venereology. Participants may refuse to answer sensitive questions or provided untruthful information in the sexual and drug abuse section of the questionnaire, if they signed informed consent. Therefore, the oral informed consent was obtained from all the participants instead of written consent to improve the accuracy of the information collected. This procedure was approved by the ethics committee.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declared that they have no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"7"}}