Table 2.
Self-reported Driving Patterns of people who use kratom
| Use-frequency Cluster | ||||||
|---|---|---|---|---|---|---|
| Driving Characteristics | A (N=39) | B (N=60) | C (N=65) | D (N=72) | E (N=73) | |
|
| ||||||
| Have License | n, % | 35 (89.7%) | 59 (98.3%) | 64 (98.5%) | 71 (98.6%) | 68 (93.2%) |
| Years Driving | Mean (SD) | 26.9 (12.6) | 21.0 (10.0) | 22.8 (12.6) | 19.2 (11.0)* | 19.2 (12.3)* |
| Average Driving Miles Per Week | Mean (SD) | 152.0 (162.0) | 144.2 (189.7) | 182.0 (190.8) | 138.9 (162.0) | 132.3 (138.9) |
| Lifetime Number of Driving Tickets | Mean (SD) | 2.2 (1.7) | 2.6 (3.2) | 2.3 (2.2) | 1.6 (1.5) | 1.9 (2.8) |
| Lifetime Number of Car Accidents | Mean (SD) | 1.5 (1.6) | 1.2 (1.2) | 1.5 (1.6) | 1.3 (1.5) | 1.4 (1.8) |
| Ever driving under the influence of Kratom | n, % | 36 (92.3%) | 59 (98.3%) | 61 (93.9%) | 65 (90.3%) | 63 (86.3%) |
| Confidence to drive under the influence of kratom (0-100) | Mean (SD) | 97.9 (7.1) | 98.5 (4.4) | 96.8 (8.9) | 96.8 (9.7) | 98.0 (8.1) |
| Ever driving under the influence of alcohol | n, % | 22 (56.4%) | 35 (58.3%) | 35 (53.9%) | 32 (44.4%) | 40 (54.8%) |
| Past year driving under the influence of alcohol (Days) | Mean (SD) | 0 (0)# | 0.1 (0.5)# | 0.8 (2.1) | 1.5 (7.1) | 3.4 (9.9) |
| Ever driving under the influence of cannabis | n, % | 10 (25.6%) | 16 (26.7%) | 21 (32.3%) | 15 (20.8%) | 14 (19.2%) |
| Past year driving under the influence of cannabis (Days) | Mean (SD) | 24.7 (78.7) | 27.6 (78.1) | 62.8 (127.8) | 50.1 (107.7) | 32.3 (84.4) |
Note: SD = Standard Deviation; n = sample size; % = percentage.
*
indicates a significant difference from Cluster A (p < 0.05).
#
indicates a significant difference from Cluster E (p < 0.05)