Table 1.
Comparison of the demographic information between MDD and HC groups.
| MDD | HC | t | p value | |
|---|---|---|---|---|
| n = 48 | n = 33 | |||
| Gender | / | 0.81a | ||
| Male | 13 (27.1%) | 10 (30.3%) | ||
| Female | 35(72.9%) | 23(69.7%) | ||
| Smoking habits | / | 1.00a | ||
| Non-smoker | 34 (70.8%) | 24 (72.7%) | ||
| Ex-smoker | 14 (29.2%) | 9 (27.3%) | ||
| Age(y) | 35.5 ± 11.8 | 33.9 ± 10.3 | 0.63 | 0.53 |
| Education level(y) | 11.9 ± 3.2 | 13.0 ± 3.6 | 1.41 | 0.16 |
MDD: major depressive disorder;. HC: healthy control;. mean (±SD) for the normal distribution data and number plus rate (n,%) for the qualitative data;. ap was calculated by fisher’s exact test.