Table 1.
Demographics and clinical characteristics of participants.
| DA (n = 18) | NDA (n = 24) | HCs (n = 60) | P value | |
|---|---|---|---|---|
| Age (years) | 53.61 ± 9.08∗ | 50.58 ± 10.57 | 45.78 ± 14.49 | 0.051a |
| Gender (male/female) | 9/9 | 9/15 | 24/36 | 0.688b |
| Education (years) | 11.89 ± 2.56 | 11.75 ± 2.64 | 12.42 ± 3.57 | 0.639a |
| Duration of asthma (years) | 22.86 ± 20.19 | 21.42 ± 19.27 | — | 0.815c |
| HDRS-17 scores | 11.06 ± 4.40∗∗†† | 2.21 ± 1.47# | 0.93 ± 1.34 | <0.001a |
| ACT scores | 15.00 ± 4.38 | 19.58 ± 4.31 | — | 0.002c |
Note: data are expressed as mean ± standard deviation. aOne-way ANOVA; bChi-square test; cIndependent-sample t-test. DA versus HC, ∗P < 0.05, ∗∗P < 0.001; DA versus NDA, ††P < 0.001; NDA versus HC, #P < 0.05. DA: depressed asthma; NDA: nondepressed asthma; HCs: healthy controls; HDRS-17: 17-item Hamilton Depression Rating Scale; ACT: asthma control test.