Table 1 Clinical and demographic characteristics of study participants.
Controls | MDD | Test statistic | p valuea | |
|---|---|---|---|---|
Age (years), range (min-max) | 16.2 (1.9), 11.2–18.8 | 16.1 (1.4), 12.8–18.7 | U = 553.5 | 0.425 |
Sex (males), No. (%) | 10 (30%) | 10 (33%) | χ2(1) = 0.07 | 0.796 |
Handedness (right), No. (%) | 32 (97%) | 28 (93%) | χ2(1) = 0.46 | 0.500 |
In-scanner movement (FD, mm) | 0.16 (0.06) | 0.17 (0.06) | t(61) = 0.69 | 0.492 |
CD-RISC | 72.9 (10.1) | 38.6 (15.6) | t(58) = 10.16 | <0.001 |
CDI | 8.4 (6.6) | 29.6 (9.3) | U = 38.0 | <0.001 |
Anhedonia | 2.3 (2.2) | 10.5 (2.8) | U = 13.5 | <0.001 |
Negative mood | 2.2 (2.0) | 6.4 (2.4) | U = 88.0 | <0.001 |
Negative self-esteem | 1.0 (1.2) | 5.0 (1.7) | U = 42.0 | <0.001 |
Ineffectiveness | 1.2 (1.2) | 5.0 (1.9) | U = 54.5 | <0.001 |
Interpersonal problems | 1.1 (1.2) | 3.7 (1.5) | U = 74.5 | <0.001 |
Stomach | 0.6 (0.6) | 1.1 (0.8) | U = 301.5 | 0.018 |
RIAS IQ | 104.5 (6.9) | 108.0 (8.7) | t(60) = −1.75 | 0.079 |
PSS | 22.4 (6.6) | 28.8 (7.7) | t(57) = −3.44 | 0.001 |
SDQ | 8.8 (5.3) | 16.3 (5.6) | t(56) = −5.26 | <0.001 |
WISC-IV Digitspan (forward) | 8.9 (2.1) | 8.8 (2.0) | t(60) = 0.32 | 0.747 |
WISC-IV Digitspan (backward) | 8.6 (1.6) | 9.4 (2.0) | t(60) = −1.70 | 0.094 |
WISC-IV Mosaic | 57.0 (5.7) | 59.0 (6.2) | t(56) = −1.27 | 0.208 |
Current Medication, No. (%) | ||||
No medication | 33 (100%) | 10 (33%) | NA | NA |
SSRI | 0 | 18 (60%) | NA | NA |
Dual-action antidepressantb | 0 | 2 (7%) | NA | NA |
NERI | 0 | 2 (7%) | NA | NA |
Antipsychoticc | 0 | 2 (7%) | NA | NA |
Methylphenidate | 0 | 2 (7%) | NA | NA |
