According to hollinghead and redlich's research, the prevalence of schizophrenia is times greater in the lower classes than in the upper class.

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.

Explanation:

balearic sea - is a body of water in the mediterranean sea around the balearic islands. baltic sea - is a mediterranean sea of the atlantic which is enclosed by scandinavian and baltic countries. barents sea - is a marginal sea in the artic ocean located off the northern coast of norway and russia.