<unk>  is estimated to occur in 0.2% to 2% of females, and 0.2% of males. There are cultural differences in the prevalence of<unk> . For example,<unk>  and symptoms were found to be significantly more common in Puerto Rico. In addition the diagnosis is also more prevalent among African Americans and those with less than a high school education or lower socioeconomic status. There is usually co-morbidity with other psychological disorders, particularly mood disorders or anxiety disorders. Research also showed comorbidity between<unk>  and personality disorders, especially antisocial, borderline, narcissistic, histrionic, avoidant, and dependent personality disorder. About 10-20 percent of female first degree relatives also have<unk>  and male relatives have increased rates of alcoholism and sociopathy.
Somatization disorder
Conversion disorder
Generalized anxiety disorder
Separation anxiety disorder
Somatic symptom disorder
Adjustment disorder
Functional somatic syndrome
Stress-related disorders