. Author manuscript; available in PMC: 2021 Feb 1.

Published in final edited form as: Biol Psychiatry Cogn Neurosci Neuroimaging. 2019 Aug 13;5(2):184–193. doi: 10.1016/j.bpsc.2019.07.010

Table 1.

Participant demographics and summary statistics

	MDD	Control
Gender, % Female	45%	29%
Age (years),Median (Mean) [Minimum, Maximum]	42.5 (43.2) [24, 63]	37.3 (33.5) [22, 55]
Age (years), 1^st Qu. / 3^rd Qu.	31 / 47.5	29 / 51.25
Ever treated for a psychiatric illness, %	87%	4%
Talk therapy only, %	25%	0%
Ever hospitalized for mental health condition, %	4%	0%
Received ECT, %	0%	0%
Age of onset (years), Median (Mean) [Minimum, Maximum]	15 (16) [7, 47]	-
Age of onset (years), 1^st Qu. / 3^rd Qu.	10.75 / 21.5
Recurrent MDD, %	79%	0%
Duration of current episode (months), Median (Mean) [Minimum, Maximum]	48 (69.6) [2, 252]	-
Duration of current episode (months), 1^st Qu./ 3^rd Qu.	5 / 156	-
Marijuana smoked in past month, %	4%	0%
MADRS rating of MDD symptom severity, Median (Mean) [Minimum, Maximum]	25.5 (14.25) [13,43]	-
MADRS rating of MDD symptom severity, 1^st Qu. / 3^rd Qu.	27.5 / 34.5	-