Nestadt 2000 nwm weird genetics study

Question 1

aim

Answer 1

investigate the role of genetics in Obsessive-Compulsive Disorder (OCD) by examining the prevalence of OCD in first-degree relatives of individuals with the disorder.

Question 2

participants

Answer 2

overall 343 diagnosed participants and 300 control participants

80ppl living with ocd chosen from 5 different ocd clinics

and 73 control cases chosen by random digit dialling within the same communities

+ their relatives

Question 3

procedure

Answer 3

first degreee relatives were evaluated by a psychiatrist using semi - structured interviews (Conduxted blindly to control for reaserch biases)

Question 4

results

Answer 4

First-degree relatives of OCD patients were five times more likely to develop OCD