Prevalence of disorders
Prevalence rates are not simply statistical accounts of how many people suffer from a specific disorder. We sometimes see that there is a difference in the prevalence rates of a disorder in men and women. Or different cultures have different levels of a disorder. For example, McGrath et al (2003) found that the prevalence of schizophrenia varies significantly among cultures, with a median value of 15.2 per 100 000,...