Table 1 Demographics in MDD individuals and healthy controls.
MDD | HC | SI F/χ2 (p value) | Diagnose F/χ2 (p value) | Gender F/χ2 (p value) | SI × gender F/Z (p value) | Diagnose× gender F (p value) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
SI | Non-SI | ||||||||||
Male | Female | Male | Female | Male | Female | ||||||
Sample size | 39 | 84 | 39 | 84 | 78 | 157 | |||||
Age (years) | 31 ± 8.73 | 31.18 ± 10.69 | 30.51 ± 8.86 | 32.12 ± 10.01 | 30.29 ± 8.65 | 33.80 ± 11.23 | 0.15 (0.699) | 1.857 (0.174) | 0.436(0.51) | 0.277(0.599) | 1.739(0.188) |
Education (years) | 12.28 ± 3.71 | 11.96 ± 3.36 | 12.72 ± 3.95 | 12.14 ± 3.29 | 14.77 ± 2.90 | 13.38 ± 3.97 | 0.343 (0.559) | 25.17 (<0.001) | 0.877(0.35) | 0.072(0.788) | 1.859(0.173) |
First episode (yes) | 15 | 42 | 11 | 36 | 1.349 (0.245) | 3.23 (0.072) | −0.307(0.759) | ||||
On medication (yes) | 12 | 17 | 5 | 27 | 0.087 (0.768) | 0.341(0.559) | -2.502( < 0.05) | ||||
Disease duration (months) | 34.40 ± 59.16 | 18.63 ± 27.85 | 8.91 ± 19.38 | 22.31 ± 57.23 | 0.931(0.336) | 0.034(0.855) | 5.634( < 0.05) | ||||
HAMD | 26.21 ± 6.51 | 25.88 ± 6.14 | 21.87 ± 5.41 | 23.58 ± 5.64 | 15.14 ( < 0.001) | 0.688(0.408) | 1.571(0.211) | ||||
Head motion (mean FD_Jenkinson) | 0.07 ± 0.04 | 0.07 ± 0.04 | 0.08 ± 0.03 | 0.08 ± 0.05 | 0.08 ± 0.04 | 0.08 ± 0.04 | 6.129 ( < 0.05) | 0.108 (0.743) | 0.126(0.723) | 0.817(0.367) | 0.190(0.663) |
