Table 1.
Demographic and clinical characteristics of participants
| Characteristics | FEDN (N = 100) | NC (N = 100) | t/χ 2 | p |
|---|---|---|---|---|
| Age (years) | 29.46 ± 9.34a | 29.59 ± 10.33 | −0.09 | .93b |
| Gender (F/M) | 34/66 | 41/59 | 1.05 | .31c |
| Education (years) | 12.46 ± 3.22a | 12.88 ± 2.77 | −0.09 | .32b |
| Duration (months) | 8.64 ± 10.86a | NA | NA | NA |
| HDRS‐17 | 22.15 ± 3.18a | NA | NA | NA |
Abbreviations: FEDN, first‐episode drug‐naive major depressive disorder; HDRS‐17, 17‐item Hamilton Depression Rating Scale; NC, normal control.
a
Mean ± SD.
b
The p values were obtained by two‐sample t test.
c
The p value was obtained by a chi‐square test.