Table 1 Demographic and clinical characteristics of the sample.
Characteristic | MDD (n = 146) | Controls (n = 138) | Test statistic | p-value |
|---|---|---|---|---|
Age (years), M (SD) | 37.6 (12.1) | 36.8 (11.5) | t = 0.57 | .569 |
Sex (% female) | 64.4 | 63.0 | χ2 = 0.06 | .812 |
Education (years), M (SD) | 14.3 (2.8) | 14.7 (2.6) | t = 1.27 | .206 |
HAM-D score, M (SD) | 21.8 (4.7) | 2.6 (1.9) | t = 45.91 | < .001 |
BDI-II scores, M (SD) | 27.6 (8.4) | 3.8 (3.1) | t = 32.06 | < .001 |
MCQ-30 total, M (SD) | 68.4 (12.6) | 47.9 (9.8) | t = 15.27 | < .001 |
Positive beliefs, M (SD) | 11.9 (4.2) | 9.6 (3.1) | t = 5.24 | < .001 |
Negative beliefs, M (SD) | 17.2 (3.8) | 9.4 (2.9) | t = 19.54 | < .001 |
Cognitive confidence, M (SD) | 14.8 (4.5) | 10.9 (3.8) | t = 7.89 | < .001 |
Need for control, M (SD) | 13.6 (4.1) | 9.5 (3.0) | t = 9.62 | < .001 |
Cognitive self-consciousness, M (SD) | 15.7 (3.9) | 13.1 (3.7) | t = 5.76 | < .001 |
CFQ total, M (SD) | 49.8 (13.9) | 30.6 (9.7) | t = 13.52 | < .001 |
Verbal memory composite, z-score, M (SD) | −0.37 (0.96) | 0.42 (0.87) | t = −7.26 | < .001 |
Visual memory composite, z-score, M (SD) | −0.41 (1.04) | 0.46 (0.82) | t = −7.89 | < .001 |
Executive function composite, z-score, M (SD) | −0.43 (1.14) | 0.49 (0.73) | t = −8.11 | < .001 |
