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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: J Psychiatr Res. 2013 Feb 27;47(6):783–790. doi: 10.1016/j.jpsychires.2013.01.015

Table 3. Demographic and Clinical Characteristics of AA and DE Groups in Study 2.

Diminished Expressivity Avolition Apathy Test Statistic and Significance
Demographics
 Age 38.0 (12.48) 41.69 (12.25) F = 3.52, p = n.s.
 Education 11.75 (2.73) 11.65 (2.63) F = 0.06, p = n.s.
 % Male 74.3% 87.5% χ2 = 4.23, p = 0.05
 % Caucasian 50.5% 65.6% χ2 = 5.27, p = 0.04
 % Never Married 82.9% 82.8% χ2 = 2.29, p = n.s.
Clinical
 Age of Onset 21.78 (7.67) 20.88 (4.91) F = 2.29, p = n.s.
 Type of Onset χ2 = 3.85, p = 0.05
  Gradual with no clear date of onset of psychosis 52% 44%
  Gradual onset of psychosis over a 12-month period 20% 41%
  Clear and abrupt onset of psychosis 28% 15%
 Number of Previous Hospitalizations 2.49 (4.22) 2.23 (2.49) F = 0.10, p = n.s.
 % with any Family Member Hospitalized for Psych. 31% 52% χ2 = 3.88, p = 0.05
SAPS Positive Symptom Severity
 Global Hallucinations 1.69 (1.77) 1.86 (1.97) F = 0.14, p = n.s.
 Global Delusions 1.81 (1.57) 2.32 (1.74) F = 1.80, p = n.s.
 Global Bizarre Behavior 0.73 (1.08) 1.29 (1.48) F = 3.64, p = n.s.
 Global Thought Disorder 0.77 (1.13) 1.46 (1.73) F = 4.69, p = 0.03
 SAPS Total 18.54 (19.94) 26.57 (24.35) F = 2.43, p = n.s.
MIMS EPS Severity
 Dyskinesia 1.39 (1.39) 1.62 (1.44) F = 0.93, p = n.s.
 Parkinsonism 0.88 (1.43) 0.77 (1.69) F = 0.18, p = n.s.
 Akathesia 0.52 (1.72) 0.29 (0.94) F = 0.77, p = n.s.
Premorbid Adjustment
 CH Social 1.99 (1.40) 2.79 (1.50) F = 8.45, p = 0.01
 CH Academic 1.98 (1.29) 2.25 (1.26) F = 1.27, p = n.s.
 EA Social 2.20 (1.51) 2.45 (1.60) F = 0.72, p = n.s.
 EA Academic 2.35 (1.52) 2.61 (1.30) F = 0.91, p = n.s.
 LA Social 2.71 (1.78) 3.02 (1.67) F = 0.86, p = n.s.
 LA Academic 2.81 (1.79) 2.75 (1.47) F = 0.04, p = n.s.
 AD Social 3.21 (1.67) 3.58 (1.44) F = 1.00, p = n.s.
Functional Outcome
 Duration of Hospitalization 2.09 (1.84) 2.73 (1.69) F = 4.01, p = 0.05
 Frequency of Social Contacts 1.43 (1.42) 1.38 (1.25) F = 0.05, p = n.s.
 Quality of Social Relations 1.28 (1.47) 1.04 (1.20) F = 1.04, p = n.s.
 Usefully Employed 0.68 (0.91) 0.24 (0.52) F = 9.80, p = 0.01
 Quality of Useful Work 0.80 (0.95) 0.36 (0.66) F = 8.32, p = 0.01
 Symptoms 1.66 (1.18) 1.67 (1.18) F = 0.01, p = n.s.
 Ability to Meet Own Basic Needs 2.96 (1.03) 3.09 (1.01) F = 0.61, p = n.s.
 Fullness of Life 1.26 (0.67) 1.34 (0.55) F = 0.56, p = n.s.
 Overall Level of Function 1.11 (0.86) 1.06 (0.84) F = 0.12, p = n.s.