Survey of the frequency percentage of doping drugs among the male-body building athletes and rate of knowledge to side-effects

Introduction: Increasing the body building sport in young people, using various drugs to enhance the body efficiency is beeing increased. However, they play the temporary roles in body-building, but they cause the irreparable poisionings and bad effects on them. Materials and Methods: 337 body-building athletes from among 70 clubs in Semnan province were chosen randomly and they were given a questionnaire, containing the demographic questions, in which the rate of using drugs and their knowledge about the side-effects of these drugs had been considered, was filled out via interview. To analyse the data, chi-square and ratio tests were used . Results: 27.3% of samples used the doping drugs (95% CI: 22.5%- 32.1%). The most common drugs were food supplements (20.8%), anabolic steroide (14.2%) and vitamins (7.1%). The people who used doping drugs were at the ages of 20 (35.4%), 20-25 (26.1%) and higher than 20 (21.1%). 31.7% of cases were with under highschool diploma.Using these drugs were more than those who had diploma degree or higher (23.3%) and showing a significant relationship (P=0.0418). Also, the percentage of using the doping drugs among the cases under 20 (35.4%) was significantly (P=0.0294) higher than cases with more than 20 year-old (24.7%). Among the athletes, only 4.7% of them had knowledge about the side-effects of doping drugs, and there was a significant relationship between the knowledge of bad effects and level of educations (P