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. 2021 Jun 4;44(11):zsab140. doi: 10.1093/sleep/zsab140

Table 1.

Sample characteristics

Clinical
(n = 98)
Mean (SD)
or n (%)
Healthy Control
(n = 22)
Mean (SD)
or n (%)
Age (years) 43.67 (12.23) 42.91 (12.02)
Education (years) 12.59 (2.29) 14.64 (2.37)
Sex
 Male 57 (58.2) 17 (77.3)
 Female 41 (41.8) 5 (22.7)
Race
 African American 65 (66.3) 16 (72.7)
 White 24 (24.5) 4 (18.2)
 Asian 2 (2.0) 2 (9.1)
 More than one race 6 (6.1) -
Not reported 1 (1.0) -
Ethnicity
 Non-Hispanic or Latino 88 (89.8) 21 (95.5)
 Hispanic or Latino 9 (9.2) 1 (4.5)
 Unknown 1 (1.0) -
Current Employment
 Yes 24 (27.6) 11 (50.0)
 No 71 (72.4) 11 (50.0)
Diagnosis
 Schizophrenia 39 (32.5%)
 Schizoaffective bipolar type 17 (14.2%)
 Schizoaffective depressive type 19 (15.8%)
 Delusional sisorder 1 (.8%)
 BP I with psychotic features 13 (10.8%)
 MDD w/ psychotic features 10 (8.3%)
Antipsychotic medication
 Atypical 64 (53.3%)
 Typical 11 (9.2%)
 Combined (typical and atypical) 10 (8.3%)
 Neither typical nor atypical 12 (10.0%)
 Unknown 1 (.8%)

Note: BP = bipolar; MDD = major depressive disorder