Table 1.

Demographic, clinical and mood characteristics of participants

	Group; mean (SD)*
Characteristic	Control, n = 18	rMDD, n = 15	Statistic, t/χ2/F
Age, yr	27.17 (10.88)	27.87 (7.91)	0.39
Education, yr	15.38 (6.99)	15.62 (7.20)	−1.00
Married, no. (%)	10 (57)	8 (53)	0.02
White, no. (%)	13 (72)	11 (73)	1.24
Female, no. (%)	9 (50)	8 (53)	0.04
No. MDE	NA	4.13 (4.14)	NA
Age of onset	NA	17.33 (4.84)	NA
Remission time, yr	NA	2.01 (1.11)	NA
BDI-II score	2.00 (3.58)	4.75 (4.36)	1.98
STAI
State score	30.50(6.40)	34.33 (6.79)	1.67
Trait score	34.33 (4.91)	37.47 (5.21)	1.78
Positive affect
State score	31.11 (6.40)	28.46 (6.83)	1.15
Trait score	36.06 (5.80)	32.43 (6.09)	1.72
Negative affect
State score	10.22 (1.70)	10.13 (1.60)	0.15
Trait score	11.61 (2.79)	13.21 (3.56)	1.43

BDI = Beck Depression Inventory-II;²² MDE = major depressive episodes; NA = not applicable; rMDD = remitted major depressive disorder; SD = standard deviation; STAI = State–Trait Anxiety Inventory.²⁵

^*Unless otherwise indicated.