Table 1.
Sociodemographic and Clinical Characteristics of Participants.
| Characteristic | Mean (SD) or Ratio (%) |
|---|---|
| Age (years) | 59.77 (3.32) |
| BDNF (ng/ml) | 24.36 (6.02) |
| Male | 21/30 (70%) |
| Current smoker | 17/30 (57%) |
| Past smoker | 8/30 (27%) |
| Never smoker | 5/30 (16%) |
| Psychiatric symptoms, PANSS subscale | |
| Total | 78.87 (24.82) |
| Positive symptoms | 17.00 (8.16) |
| Negative symptoms | 14.10 (5.52) |
| Depressed/anxious symptoms | 10.33 (3.84) |
| Disorganized symptoms | 9.23 (4.17) |
| Excited symptoms | 7.43 (2.75) |
| Other symptoms | 20.77 (7.89) |
Note. N = 30. BDNF = brain-derived neurotrophic factor; PANSS = Positive and Negative Syndrome Scale.