Table 1.

Summary statistics for variables in the analysis model by disease status.

	HC (n = 40)		MDD (n = 295)
Variable	n Available	Mean (SD) or n (%)	n Available	Mean (SD) or n (%)
AGE	40	37.62 (14.85)	295	37.10 (13.29)
EHI	40	70.76 (51.43)	295	71.58 (48.23)
WASIV	35	67.40 (7.29)	251	63.62 (9.59)
QIDS	40	1.40 (1.30)	295	18.08 (2.81)
SEX (Female)	40	25 (62.5)	295	193 (65.4)
FA	39		285
Good		17 (42.5)		126 (42.7)
Acceptable		5 (12.5)		88 (29.8)
Marginal		14 (35.0)		44 (14.9)
Unacceptable		3 (7.5)		27 (9.2)
Missing		1 (2.5)		10 (3.4)