Table 2.
Change across years (2013–2016) in youth cannabis use-related behaviors: adjusted odds ratios comparing rates between 2013 and subsequent years.
| 2013 | 2014 | 2015 | 2016 | ||||
|---|---|---|---|---|---|---|---|
| n (%) | n (%) | aOR (95% CI) |
n (%) | aOR (95% CI) |
n (%) | aOR (95% CI) |
|
|
| |||||||
| Near-daily use in the past 90 daysa,b | 11 (23.4) | 9 (22.5) | 0.78 (0.26, 2.33) | 12 (25.5) | 0.99 (0.35, 2.81) | 13 (23.2) | 0.98 (0.38, 2.58) |
| Age of initiation | |||||||
| Initiated any cannabis use at age <16 years | 50 (75.8) | 48 (72.7) | 0.61 (0.22, 1.74) | 62 (82.7) | 1.15 (0.39, 3.41) | 53 (86.9) | 0.77 (0.23, 2.50) |
| Initiated weekly cannabis use at age <17 years | 38 (62.3) | 43 (72.9) | 1.47 (0.49, 4.47) | 55 (79.7) | 2.65 (0.89, 7.89) | 39 (70.9) | 0.57 (0.20, 1.65) |
| Used before/during school or work in the past 90 days | 46 (68.7) | 46 (73.0) | 2.07 (0.69, 6.21) | 51 (72.9) | 1.77 (0.63, 4.93) | 51 (89.5) | 2.00 (0.63, 6.39) |
| Drove after cannabis use | 39 (58.2) | 28 (42.4) | 0.71 (0.31, 1.59) | 35 (46.7) | 0.64 (0.30, 1.38) | 27 (43.5) | 0.66, 0.30, 1.44) |
| Rode with driver who used cannabisa | 44 (93.6) | 33 (78.6) | 0.37 (0.08, 1.63) | 36 (70.6) | 0.20 (0.05, 0.80)* | 48 (78.7) | 0.32 (0.08, 1.26) |
Notes:
*
p<0.05.
a
Assessed in ASUTP sample only.
b
At least 61 days in the past 90 days.
Adjusted odds ratio (aOR) controls for sample characteristics that changed over time: clinic, race, age, number of parents, and parent education, plus gender, which did not change over time.