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Table 2 Subject demographic and diagnostic information for subjects with schizophrenia

From: Ethnicity and suicide attempt: analysis in bipolar disorder and schizophrenia

  All Suicide Attempters Non-Attempters
Schizophrenia* (N) 566 192 374
  White** (N) 401 145 256
  Age (X, SD) 39.28+/-11.45 41.34 +/- 11.06 38.23+/-11.52
  Females (N): Males (N) 179:387 72:120 107:267
  AAO (X, SD) 21.79+/-6.66 21.40 +/- 6.20 21.99+/-6.91
  DOI (X, SD) 17.46 +/-11.43 19.92 +/- 11.11 16.18+/-11.41
  Substance abuse (N) 266 99 167
  Alcohol abuse (N) 174 62 112
  Family History (N) 232 94 138
  Tobacco Use (N) 311 109 202
  Affective (N) 58 34 24
  High Hospitalizations (N)*** 266 120 146
  1. Demographic and diagnostic characteristics in life time suicide attempters and non-attempters in subjects with SCZ. AAO = Age at Onset, DOI = Duration of illness. *Subjects with schizoaffective depressive type were grouped with those with schizophrenia in analyses. **White refers to White Europeans. ***Dichotomized according to the median in our sample (median = 4); 4 and above is considered high number of hospitalization.