Table 1.
Participant demographic and clinical characteristics
| All participants; mean ± SD (range)* | Female participants; mean ± SD (range)* | |||||
|---|---|---|---|---|---|---|
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|
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| Characteristic | MDD (n = 30) | Control (n = 62) | p value | MDD (n = 22) | Control (n = 33) | p value |
| Age, yr | 36.1 ± 12.3 (18–60) | 35.1 ± 15.9 (16–81) | 0.77† | 37.5 ± 11.5 (20–57) | 36.5 ± 15.2 (18–73) | 0.78† |
| Sex, male:female | 8:22 | 29:33 | 0.065‡ | 0:22 | 0:33 | NA |
| Education, yr | 3.8 ± 1.4 (1–6) | NA | 3.7 ± 1.4 (1–6) | NA | ||
| Duration, wk | 16 ± 14.1 (2–60) | NA | 13.5 ± 11.4 (2–36) | NA | ||
| HDRS score | 24.3 ± 5.0 (18–34) | NA | 24.0 ± 4.6 (18–34) | NA | ||
| Onset age, yr | 35.8 ± 12.2 (18–59) | NA | 37.3 ± 11.5 (20–56) | NA | ||
| Head motion, mean FD | 0.09 ± 0.05 (0.03–0.23) | 0.12 ± 0.05 (0.05–0.35) | 0.03† | 0.09 ± 0.05 (0.03–0.23) | 0.12 ± 0.07 (0.05–0.35) | 0.04† |
| Head motion, max translation | 0.44 ± 0.34 (0.13–1.66) | 0.47 ± 0.38 (0.07–2.40) | 0.63† | 0.48 ± 0.38 (0.13–1.66) | 0.44 ± 0.26 (0.15–1.11) | 0.65† |
| Head motion, max rotation | 0.62 ± 0.53 (0.06–2.66) | 0.65 ± 0.61 (0.10–2.93) | 0.85† | 0.67 ± 0.57 (0.13–2.66) | 0.61 ± 0.59 (0.12–2.93) | 0.72† |
FD = framewise displacement; HDRS = Hamilton Depression Rating Scale; MDD = major depressive disorder; NA, not applicable; SD = standard deviation.
*
Unless indicated otherwise.
†
Obtained using 2-sample t test.
‡
Obtained using Pearson χ2 test.