Compared mental patients with a sample of the general non-patient population; Used the Index of Social Position to measure social class (V classes- see table 6-1); Compared to lower class people, the higher class people (I-III) were more likely to associate personal problems with mental health; High class people were more vulnerable to anxiety disorders, whereas lower class people were more vulnerable to schizophrenia; Established that social factors can be correlates with the prevalence and types of mental illness.
