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Mahya Okhli , Sadeghali Taziki , Mahsa Jansooz , Ebrahim Paknahad , Mojtaba Okhli

Abstract

The present study was an attempt to investigate the epidemiological characteristics of people with obsessive-compulsive disorder(OCD). It also examined the relationship between this variable and demographic variables and some infectious factors. The present study is an applied study in terms of objective and cross-sectional in terms of time and descriptive-analytical in terms of data collection. By a convenience sampling method, 48 patients were diagnosed with OCD based on DSM-V diagnosis and interview, were included in the study. Then, the checklist was completed and sampling was done. Results revealed that washing OCD with a frequency of 37 (77.1%) was the most common type and slowness OCD with a frequency of 6 (12.5%) was the least common type of OCD and checking OCD and obsessional thinking were ranked next, respectively with frequency of 20 (41.7) and 19 (39.6). There was a significant relationship between slowness OCD and family history of the disease (p.value = 0.03), but no significant relationship was observed between washing, checking, slowness obsessive compulsive disorder and obsessional thinking with other variables of the study. Thus, washing obsessive compulsive disorder is very prevalent among OCD patients and family history can be involved in this disease. 21 of patients had toxoplasma gondii infection and 27 cases had no infection in their blood sample and it showed no significant relation between infection and the incidence of OCD. Based on results of this study, some demographic factors are good prognosis for obsessive-compulsive disorder, and screening and monitoring people at risk can prevent the disorder‎.