en اپيدميولوژي Epidemiology پژوهشي Original Article <div style="text-align: justify;"><span style="font-family:Times New Roman;"><span style="font-size:11pt"><span style="line-height:normal"><span sans-serif=""><b><i><span style="font-size:12.0pt"><span new="" roman="" times="">Background and Purpose</span></span></i></b><b><i><span style="font-size:12.0pt"><span new="" roman="" times="">:</span></span></i></b> <span style="font-size:12.0pt"><span new="" roman="" times="">This study aimed to estimate the p</span></span><span style="font-size:12.0pt"><span new="" roman="" times="">revalence</span></span><span style="font-size:12.0pt"><span new="" roman="" times=""> of </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">sexual behaviors </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">and sexting</span></span><span style="font-size:12.0pt"><span new="" roman="" times=""> among students of medical science universities in </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">southeast of</span></span><span style="font-size:12.0pt"><span new="" roman="" times=""> Iran by indirect method. </span></span></span></span></span><br> <span style="font-size:12pt"><span new="" roman="" times=""><span style="color:black"><b><i>Materials and Methods:</i></b> In this cross-sectional study, using a multistage non-random sampling method, we recruited 3900 students from eight universities of medical sciences from Kerman and Sistan and Baluchestan provinces, Iran, in 2019. The data were collected using indirect (NSU: Network Scale-up) methods. Statistical analysis was performed using the Chi-square test.</span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span sans-serif=""><b><i><span style="font-size:12.0pt"><span new="" roman="" times="">Results</span></span></i></b><b><span style="font-size:12.0pt"><span new="" roman="" times="">:</span></span></b> <span style="font-size:12.0pt"><span new="" roman="" times="">Out of 3900 students (mean (SD) age of 22.5 (3.3) years), 48&shy;% were male and 41% were from Sistan and Baluchestan Province. </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">The prevalence of watching porn, masturbation, sexting (</span></span><span style="font-size:12.0pt"><span new="" roman="" times="">text, photo and video</span></span><span style="font-size:12.0pt"><span new="" roman="" times="">), extramarital heterosexual intercourse by nonpayment, sex in return for payment, homosexuality, child abuse (sexual and behavioral), and abortion was 22.6% </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">(95% CI: 21.3 &ndash; 24.0)</span></span><span style="font-size:12.0pt"><span new="" roman="" times="">, 19.5% </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">(95% CI: 18.2 &ndash; 20.7)</span></span><span style="font-size:12.0pt"><span new="" roman="" times="">, 8.8% </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">(95% CI: 7.9 &ndash; 9.7)</span></span><span style="font-size:12.0pt"><span new="" roman="" times="">, 11.7% </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">(95% CI: 10.7 &ndash; 12.7)</span></span><span style="font-size:12.0pt"><span new="" roman="" times="">, 5.7 </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">(95% CI: 5.0 &ndash; 6.5)</span></span><span style="font-size:12.0pt"><span new="" roman="" times="">%, 3.0% </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">(95% CI: 2.5 &ndash; 3.5), 0.9% (95% CI: 0.6 &ndash; 1.2) </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">and 1.01% </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">(95% CI: 0.7 &ndash; 1.3),&nbsp; </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">respectively.&nbsp; </span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span sans-serif=""><b><i><span style="font-size:12.0pt"><span new="" roman="" times="">Conclusion</span></span></i></b><b><span style="font-size:12.0pt"><span new="" roman="" times="">:</span></span></b> <span style="font-size:12.0pt"><span new="" roman="" times="">According to the results, watching porn, masturbation, </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">extramarital heterosexual intercourse by nonpayment and </span></span><span style="font-size:12.0pt"><span new="" roman="" times="">sexting were more common sexual behaviors among university students. Repetition and addiction to these behaviors can harm physical and psychological health of young people especially in Iranian custom, religion and cultural context. Therefore, the youth should be given appropriate training to correctly react to sexual situations. </span></span></span></span></span><br> &nbsp;</span></div> Sexual behaviors, Watching Porn, Masturbation, Sexting 32 43 http://jhs.mazums.ac.ir/browse.php?a_code=A-10-870-1&slc_lang=en&sid=1 Mohadeseh Balvardi محدثه بلوردی mbalvardi_biostat90@yahoo.com 10031947532846008856 10031947532846008856 No Instructor of Biostatistics, Sirjan School of Medical Sciences, Sirjan, Iran Instructor of Biostatistics, Sirjan School of Medical Sciences, Sirjan, Iran Nasim Dehdashti نسیم دهدشتی n.dehdashti90@gmail.com 10031947532846008857 10031947532846008857 No Instructor of Biostatistics, Jiroft University of Medical Sciences, Jiroft. Iran. Instructor of Biostatistics, Jiroft University of Medical Sciences, Jiroft. Iran. Zahra Imani Ghoghary زهرا ایمانی گوغری imanigoghary@yahoo.ca 10031947532846008858 10031947532846008858 Yes Assistant professor of Nursing, Sirjan School of Medical Sciences, Sirjan, Iran. Assistant professor of Nursing, Sirjan School of Medical Sciences, Sirjan, Iran. Hamideh Bashiri حمیده بشیری Hamideh Bashiry bashiry_h@yahoo.com 10031947532846008859 10031947532846008859 No Department of Physiology and Pharmacology, Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; Sirjan School of Medical Sciences, Sirjan, Iran. Department of Physiology and Pharmacology, Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; Sirjan School of Medical Sciences, Sirjan, Iran. Fatemeh Alavi Arjas فاطمه علوی ارجاس alavimidwifery@gmail.com 10031947532846008860 10031947532846008860 No Department of Midwifery and Reproductive Health, School of Nursing and Midwifery Department of Midwifery, Sirjan School of Medical Sciences, Sirjan, Iran.