Table 1.
Demographics and clinical characteristics of participants.
| DA (n = 18) | NDA (n = 24) | HC (n = 57) | P-value | |
|---|---|---|---|---|
| Age (years) | 53.61 ± 9.08* | 50.58 ± 10.57 | 45.63 ± 14.70 | 0.05a |
| Gender (male/female) | 9/9 | 9/15 | 23/34 | 0.723b |
| Education (years) | 11.89 ± 2.56 | 11.75 ± 2.64 | 12.42 ± 3.60 | 0.643a |
| Duration of asthma (years) | 22.86 ± 20.19 | 21.41 ± 19.27 | – | 0.815c |
| HDRS-17 scores | 11.06 ± 4.40**†† | 2.21 ± 1.47# | 0.89 ± 1.35 | <0.001a |
| ACT scores | 15.00 ± 4.38 | 19.58 ± 4.31 | – | 0.002c |
Data are expressed as mean ± standard deviation.
a
One-way ANOVA;
b
Chi-square test;
c
Independent-sample t-test.
DA vs. HC,
*
P < 0.05,
**
P < 0.001; DA vs. NDA,
††
P < 0.001; NDA vs. HC,
#
P < 0.05. DA, depressed asthma; NDA, non-depressed asthma; HC, healthy controls; HDRS-17, 17 items Hamilton Depression Rating Scale; ACT, asthma control test.