Table 1.

Participant characteristics.

	MDD (n = 47)	CTL (n = 47)	p-value
Male/female (n)	19/28	22/25	0.53
White/black (n)	36/11	15/32	<0.001
Early life stress (n)	26	4	<0.001
Current smoker (n)	3	2	0.65
Family income ($)	62,742 ± 7,448	59,053 ± 8,200	0.54
Guardian education ≥12 years (n)	34	38	0.42
Guardian unemployed (n)	12	14	0.74
Age (years)	16.0 ± 0.1	16.0 ± 0.1	1.00
Current anti-depressant use (n)	33	2	<0.001

The p-value comes from Chi-squared test for the categorical variables and t-test for continuous variables. Data is presented as mean ± standard deviation or number. MDD, major depressive disorder; CTL, control. Bolded values indicate those that are statistically significant (p value < 0.05).