<prompt> A Bad prognostic indicator of Schizophrenia is -Late onsetFamily history of SchizophreniaPositive precipitating factorsProminent affective symptoms  <response>: Poor prognostic factors:Insidious onset, early onset before 20 years of age; absence of precipitating stressor; poor premorbid adjustment; hebephrenic subtype worst prognosis, simple, undifferentiated and chronic catatonic subtype; long duration chronic course 2 years; single divorced; Negative symptoms; absence of depression; family history of schizophrenia; past history of schizophrenia; asthenic thin physique; male sex; poor treatment compliance poor response to treatment; poor social support; flat or blunted affect; ventricular enlargement on brain CT scan; hospitalization indoor treatment. 