Table 1.
Participant Demographics, Cannabis Use and Psychological Symptoms by Age Group
| Young (18–30) | Middle-aged (31–50) | Older (51–74) | |
|---|---|---|---|
| Sex (Male) | 75% | 78% | 75% |
|
| |||
| Ethnicity (Caucasian) |
69% | 64% | 75% |
|
| |||
| Marital Status*** (Married or partnered) |
22% | 35% | 43% |
|
| |||
| Education* (College degree or higher) |
40% | 60% | 57% |
|
| |||
| Cannabis use frequency (times smoked in past month) |
62.4 (52.5) | 53.6 (75.7) | 52.1 (45.5) |
|
| |||
| Cannabis use quantity (number of grams smoked in past week)*** |
5.0 (1.9) (indicates 6 to 8 grams) |
4.2 (2.1) (indicates 3 to 5 grams) |
3.0 (2.2) (indicates 2 grams) |
|
| |||
| Age of first cannabis use* | 15.9 (3.6) | 16.7 (6.8) | 18.9 (5.7) |
|
| |||
| Age at onset of regular cannabis use*** | 19.0 (3.7) | 23.7 (9.4) | 30.5 (15.8) |
|
| |||
| Years of regular cannabis use*** | 6.3 (4.3) | 16.1 (10.1) | 26.8 (15.4) |
|
| |||
| Years of medical cannabis use*** | 6.4 (4.8) | 11.2 (9.1) | 15.3 (14.4) |
|
| |||
| CUDIT- R total score** | 13.8 (5.3) | 11.5 (5.0) | 9.9 (4.3) |
|
| |||
| CUDIT- R (% above cut-off)*** | 54% | 31% | 20% |
|
| |||
| AUDIT total score** | 8.52 | 9.19 | 5.36 |
|
| |||
| AUDIT (% above cut-off)* | 48% | 41% | 22% |
|
| |||
| IDAS-General Depression | 37.9 (10.6) | 40.8 (12.6) | 39.0 (13.1) |
|
| |||
| IDAS-Dysphoria | 18.2 (6.3) | 19.6 (7.3) | 18.1 (6.5) |
|
| |||
| IDAS-Lassitude | 12.3 (3.9) | 11.8 (4.2) | 11.5 (5.1) |
|
| |||
| IDAS-Insomnia | 11.1 (4.4) | 13.3 (6.6) | 11.5 (5.5) |
|
| |||
| IDAS-Suicidality** | 6.6 (1.3) | 7.3 (2.1) | 8.0 (2.6) |
|
| |||
| IDAS-Loss of Appetite | 5.5 (2.8) | 5.1 (2.7) | 5.5 (3.3) |
|
| |||
| IDAS- Appetite Gain** | 6.8 (2.8) | 5.3 (2.5) | 5.2 (2.0) |
|
| |||
| IDAS-Ill Temper | 7.9 (2.9) | 8.6 (4.0) | 8.4 (4.0) |
|
| |||
| IDAS-Well Being | 21.5 (6.4) | 22.8 (7.0) | 24.3 (7.6) |
|
| |||
| IDAS-Social Anxiety | 9.2 (3.8) | 8.7 (4.5) | 7.9 (3.9) |
|
| |||
| IDAS-Panic | 11.6 (3.2) | 11.5 (4.9) | 11.5 (4.0) |
|
| |||
| IDAS-Traumatic Intrusions | 6.2 (3.1) | 7.4 (4.2) | 6.6 (3.3) |
|
| |||
| NRS-Past Week Pain | 3.5 (2.7) | 3.8 (2.9) | 3.9 (2.9) |
*
p < .05,
**
p < .01,
***
p < .001