Table 1 Between-groups analyses of selected variables for the Yes and No response groups for “Was there a traumatic experience in your childhood or youth which you think May have played a role in the difficulties that arose during or after the psychedelic experience?”
From: Recalled childhood trauma and post-psychedelic trajectories of change in a mixed-methods study
Variable | Test performed | Test statistic | df | p value | Descriptive statistic for “yes” group | Descriptive statistic for “no” group |
|---|---|---|---|---|---|---|
Education level | Mann-Whitney | U = 16966.000 | N.A. | 0.758 | Mean: 2.57 | Mean: 2.60 |
Duration of difficulties | Mann-Whitney | U = 21051.500 | N.A. | 0.574 | Mean: 4.83 | Mean: 4.73 |
Age | Mann-Whitney | U = 18621.500 | N.A. | 0.007 | Mean: 3.08 | Mean: 2.74 |
Gender | Chi Square | Χ = 13.54 | 1 | 0.001 | 57.7% female | 39.2% female |
Knowledge of dose | Chi Square | Χ = 1.348 | 1 | 0.246 | 77.7 yes | 72.8 yes |
Guided vs. unguided setting | Chi Square | Χ = 10.168 | 1 | 0.001 | 63.7 unguided setting | 78.5 unguided setting |
Diagnosed with mental illness prior to experience? | Chi Square | Χ = 20.648 | 1 | 0.001 | 73.8% yes | 50.2% yes |
Do you still take psychedelic drugs? | Chi Square | Χ = 4.38 | 1 | 0.039 | 61.4% yes | 51.2% yes |
Social Difficulty | Chi Square | Χ = 4.97 | 1 | 0.163 | 57.6% experienced | 46.7% experienced |
Perceptual Difficulty | Chi Square | Χ = 10.52 | 1 | 0.001 | 18.5% experienced | 32.2% experienced |
Cognitive Difficulty | Chi Square | Χ = 1.03 | 1 | 0.322 | 52.3% experienced | 57.2% experienced |
Emotional Difficulty | Chi Square | Χ = 10.46 | 1 | 0.001 | 81.9% experienced | 68.3% experienced |
Spiritual Difficulty | Chi Square | Χ = 0.02 | 1 | 0.923 | 35.0% experienced | 35.6% experienced |
Ontological Difficulty | Chi Square | Χ = 4.04 | 1 | 0.028 | 45.7% experienced | 55.6% experienced |
Self-Related Difficulty | Chi Square | Χ = 4.21 | 1 | 0.026 | 63.8% experienced | 53.9% experienced |
Other Difficulty | Chi Square | 0.53 | 1 | 0.271 | 19.3% experienced | 22.2% experienced |
Challengingness of the psychedelic experience | t-test | t = 1.059 | 363 | 0.145 | Mean: 3.15 | Mean: 3.04 |
Range of difficulties | t-test | t = 0.131 | 421 | 0.448 | Mean: 3.74 | Mean: 3.72 |
Belief that psychedelics are worth the risk | t-test | t = 3.748 | 273 | 0.001 | Mean: 3.62 | Mean: 3.32 |
