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. 2019 Nov 19;10:1325. doi: 10.3389/fphar.2019.01325

Table 1.

Sample characteristics and treatment history by study condition.

Variable Ayahuasca group
(n = 14)
Placebo group (n = 15)
Age M (SD) 39.71 (11.26) 44.2 (11.98)
Sex-Female 11 5
Ethnicity
 Black 1 0
 Pardo 4 7
 Caucasian 9 8
Education
 Incomplete Primary Education 5 4
 Completed Primary Education 1 2
 Completed Secondary Education 4 7
 Completed Undergraduate Education 1 0
 Completed Postgraduate Education 3 2
Employment status
 Employed-working 3 3
 Employed-leave of absence 2 4
 Unemployed 7 8
 Student 2 0
Presence of personality disorder 10 12
 Borderline personality disorder 5 4
 Dependant personality disorder 1 0
 Histrionic personality disorder 4 7
 Narcissistic personality disorder 1 0
 Schizoid personality disorder 0 1
 Cluster B (undefined) 1 0
Depression duration (years)
Baseline MADRS-SI M (SD) 3.36 (1.65) 1.40 (1.68)
Lifetime suicide attempt 10 6
Number of failed antidepressant medications M (SD) 3.93 (1.44) 3.80 (1.90)
History of psychotherapy 11 12
History of electroconvulsive therapy 1 1
Inpatient during the intervention 2 2

Cluster B personality disorders include antisocial personality disorder, borderline personality disorder, histrionic personality disorder, and narcissistic personality disorder.