Table 3 Demographical characteristics of sample compared utilising Welch’s t-test (n = 16).

Age

27.6 (5.6)

29.4 (4.2)

24.9 (3.8)

−0.704 (13.036)

p = 0.494

1.153 (12.237) p = 0.2711

Gender (female)

n (%)

12.5

12.5

12.5

-

-

Education (years)

16.1 (2.0)

16.1 (1.9)

16.7 (1.8)

0 (13.981)

p = 1.0

−0.593 (13.777)

p = 0.563

Lifetime use of psy.*

26.9 (22.1)

29.9 (41.5)

0 (0)

−0.177 (10.659)

p = 0.863

-

Psychedelics used (in %)*

LSD

100

75

-

LSA

12.5

25

-

Psilocybin

75

62.5

-

Ayahuasca

0

0

-

DMT

25

25

-

5-MeO-DMT

0

25

-

Mescaline

0

25

-

DOM, DOI, DOB

0

0

-

2C-E, 2C-B

50

0

-

Other

25

0

-

Setting (in %)

Party

25

12.5

-

Spiritual

0

25

-

Therapeutic

25

37.5

-

No special setting

25

25

-

Other

25

0

-

Lifetime use of cannabis*

366.3 (407.6)

573.4 (919.0)

123.3 (125.9)

−0.583 (9.652)

p = 0.573

1.611 (8.325) p = 0.144

Lifetime amount of alcohol intoxications**

221.1

(189.7)

201.4 (174.6)

205.2 (156.0)

0.216 (13.905)

p = 0.832

0.183 (13.497) p = 0.858

Lifetime use of other illicit substances*

236.8

(485.9)

14.8 (11.0)

1.4 (2.9)

1.292 (7.007)

p = 0.237

1.370 (7.001) p = 0.213

Lifetime history of psychiatric treatment (1 = yes, 0 = no)

0.6 (0.5)

0.8 (0.5)

0.3 (0.5)

−0.509 (13.829)

p = 0.619

1.528 (13.829) p = 0.149

Ravens Standard Progressive Matrices

49.9 (6.2)

54.6 (1.4)

54.9 (4.6)

−2.107 (7.715)

p = 0.070

−1.822 (12.951) p = 0.092

Wortschatztest***

30.1 (12.3)

37.0 (1.6)

35.6 (2.1)

−1.571 (7.239)

p = 0.159

−1.249 (7.423)

p = 0.250

BDI-V

29.9 (16.7)

21.3 (10.2)

19.3 (18.5)

1.245 (11.579)

p = 0.238

1.206 (13.865) p = 0.248