Background Homosexual behaviour is prone to many sexual transmitted diseases (STDs) and many social problems. The aim of this study is to assess the knowledge, source, the reliability and accuracy of information resources and to assess the seropositivity for some STDs.

Method A questionnaire was prepared for the STDs including these; to learn their demographic and economical characteristics, having any chronic disease or, experienced any disease, use of any illegal drug, their sense for acceptability in public, number of partner in one year, main transmission route, prevention and source of their information about this diseases in gay people. In additional these, Another questions were to learn their to join an education programme for prevention of STDs and to give blood samples for the serologic investigation against hepatitis B, hepatitis C, syphilis and HIV. Voluntary people defined himself as gay, was entered to the study.

Results The questionnaire was replied by 94 people. Mean age was 23.32 ± 4.6 year and 80.4% defined himself as gay. Of these, 72.6% was graduated from high school or university, 5.9% had a chronic disease and 3.9% had receiving any medicine. 29.4% had no any health insurance. Using one of these; cigarette, alcohol, heroin or cocaine were at percentage of 62.8, 46.8, 10.6 and1.1 respectively. 23.4% had multiple partners and 76.7% single partners. Majority people knew the transmission of HIV/AIDS by sexual intercourse (88.3%) or blood/blood products (77.7%). 69.1% had a history of unprotected sexual relation. Major source of their knowledge about STDs was internet or other media. Blood samples could be taken from 39, one was positive for HIV. An education programme was used as a small group after questionnaire.

Conclusion This is a first basic study on homosexual group, summarising their problems in our region.