Common risk factors in the development of<unk>  disorder are family history of paranoid personality disorder, sensory impairment, age, subtle brain abnormality, social isolation, personality (sensitivity; narcissistic traits), immigration, lower socioeconomic status.
Delusional disorder risk factors
Acute stress disorder risk factors
Bipolar disorder risk factors
Clinical depression risk factors
Major depressive disorder risk factors
Generalized anxiety disorder risk factors
Schizophrenia risk factors
Post traumatic stress disorder risk factors