Table 4b.
Past year daily cannabis use, NSDUHa 2002–2012
| n | 2002 wt% (SE) |
2003 wt% (SE) |
2004 wt% (SE) |
2005 wt% (SE) |
2006 wt% (SE) |
2007 wt% (SE) |
2008 wt% (SE) |
2009 wt% (SE) |
2010 wt% (SE) |
2011 wt% (SE) |
2012 wt% (SE) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | 614,579 | 1.3 (0.1) | 1.3 (0.1) | 1.4 (0.1) | 1.3 (0.1) | 1.3 (0.1) | 1.4 (0.1) | 1.6 (0.1) | 1.6 (0.1) | 1.8 (0.1) | 1.9 (0.1) | 2.1 (0.1) |
| 12–17 | 199,750 | 1.4 (0.1) | 1.0 (0.1) | 1.3 (0.1) | 1.0 (0.1) | 1.2 (0.1) | 1.0 (0.1) | 1.1 (0.1) | 1.2 (0.1) | 1.4 (0.1) | 1.2 (0.1) | 1.1 (0.1) |
| 18–25 | 204,570 | 4.4 (0.2) | 4.3 (0.2) | 4.5 (0.2) | 4.7 (0.2) | 4.5 (0.2) | 4.4 (0.2) | 5.1 (0.2) | 5.0 (0.2) | 5.6 (0.20 | 5.4 (0.2) | 6.3 (0.2) |
| 26–49 | 149,457 | 1.2 (0.1) | 1.3 (0.1) | 1.3 (0.1) | 1.1 (0.1) | 1.2 (0.1) | 1.5 (0.1) | 1.7 (0.1) | 1.7 (0.2) | 1.9 (0.2) | 2.1 (0.1) | 2.2 (0.2) |
| 50+ | 60,802 | 0.2 (0.1) | 0.2 (0.1) | 0.4 (0.1) | 0.3 (0.1) | 0.1 (0.1) | 0.3 (0.1) | 0.4 (0.1) | 0.4 (0.1) | 0.5 (0.10 | 0.7 (0.1) | 0.8 (0.1) |
| White | 391,745 | 1.4 (0.08) | 1.4 (0.08) | 1.5 (0.08) | 1.3 (0.07) | 1.3 (0.07) | 1.5 (0.09) | 1.7 (0.07) | 1.7 (0.1) | 1.8 (0.1) | 2.0 (0.1) | 2.1 (0.1) |
| 12–17 | 121,265 | 1.6 (0.1) | 1.2 (0.1) | 1.4 (0.1) | 1.1 (0.1) | 1.3 (0.1) | 1.3 (0.2) | 1.4 (0.1) | 1.3 (0.1) | 1.5 (0.1) | 1.3 (0.2) | 1.3 (0.1) |
| 18–25 | 125,549 | 5.1 (0.3) | 5.0 (0.3) | 5.0 (0.3) | 5.3 (0.3) | 5.3 (0.3) | 4.8 (0.2) | 5.8 (0.3) | 5.8 (0.3) | 6.2 (0.3) | 6.0 (0.3) | 6.9 (0.2) |
| 26–49 | 97,860 | 1.4 (0.1) | 1.4 (0.2) | 1.6 (0.1) | 1.1 (0.1) | 1.4 (0.2) | 1.6 (0.2) | 1.9 (0.2) | 1.9 (0.2) | 2.1 (0.2) | 2.3 (0.2) | 2.4 (0.2) |
| 50+ | 47,071 | 0.3 (0.1) | 0.2 (0.08) | 0.5 (0.1) | 0.3 (0.1) | 0.1 (0.05) | 0.4 (0.08) | 0.3 (0.08) | 0.4 (0.1) | 0.6 (0.2) | 0.8 (0.1) | 0.9 (0.2) |
| Black | 77,737 | 1.5 (0.2) | 1.7 (0.2) | 1.4 (0.2) | 2.1 (0.3) | 1.5 (0.2) | 2.0 (0.2) | 2.2 (0.3) | 2.0 (0.2) | 2.4 (0.4) | 2.1 (0.2) | 2.5 (0.3) |
| 12–17 | 27,474 | 0.9 (0.2) | 0.7 (1.2) | 1.2 (0.3) | 1.0 (0.3) | 1.0 (0.2) | 0.6 (0.2) | 0.6 (0.2) | 1.0 (0.3) | 1.2 (0.3) | 1.0 (0.3) | 0.8 (0.2) |
| 18–25 | 27,045 | 3.8 (0.3) | 3.9 (0.5) | 4.2 (0.6) | 5.2 (0.7) | 3.7 (0.5) | 6.1 (0.7) | 4.8 (0.5) | 5.9 (0.6) | 5.1 (0.5) | 5.8 (0.5) | 7.4 (0.7) |
| 26–49 | 17,434 | 1.8 (0.4) | 2.0 (0.5) | 1.3 (0.4) | 2.1 (0.5) | 1.9 (1.4) | 2.0 (0.4) | 1.8 (0.3) | 2.2 (0.4) | 3.4 (0.8) | 2.0 (0.4) | 3.0 (0.6) |
| 50+ | 5,784 | 0 (0) | 0.3 (0.30 | 0 (0) | 1.0 (0.8) | 0.1 (0.01) | 0.3 (0.3) | 1.9 (1.1) | 0.3 (0.3) | 0.2 (0.1) | 0.7 (0.3) | 0.3 (0.2) |
| Hispanic | 94,578 | 0.9 (0.1) | 0.9 (0.1) | 1.0 (0.1) | 1.1 (0.1) | 1.0 (0.1) | 0.9 (0.2) | 1.1 (0.2) | 1.2 (0.1) | 1.6 (0.2) | 1.8 (0.2) | 1.7 (0.2) |
| 12–17 | 33,335 | 1.2 (0.3) | 0.8 (0.2) | 1.2 (0.3) | 1.0 (0.3) | 1.0 (0.2) | 0.5 (0.1) | 0.8 (0.2) | 1.1 (0.2) | 1.7 (0.3) | 1.0 (0.2) | 0.8 (0.2) |
| 18–25 | 34,452 | 2.7 (0.3) | 2.8 (0.4) | 3.3 (0.5) | 2.8 (0.4) | 3.1 (0.5) | 2.4 (0.4) | 3.7 (0.6) | 2.5 (0.3) | 4.8 (0.7) | 4.6 (0.6) | 4.9 (0.6) |
| 26–49 | 22,248 | 0.5 (0.20 | 0.4 (0.2) | 0.4 (0.2) | 0.8 (0.3) | 0.4 (0.1) | 0.8 (0.3) | 0.8 (0.3) | 1.2 (0.3) | 0.9 (0.2) | 1.4 (0.3) | 1.2 (0.3) |
| 50+ | 4,543 | 0 (0) | 0.1 (0.03) | 0 (0) | 0.4 (0.4) | 0.3 (0.2) | 0 (0) | 0 (0) | 0 (0) | 0.5 (0.4) | 0.9 (0.7) | 0.6 (0.4) |
| Other | 50,519 | 0.8 (0.2) | 0.9 (0.2) | 0.9 (0.1) | 0.6 (0.1) | 0.6 (0.1) | 0.9 (0.2) | 1.0 (0.1) | 1.1 (0.1) | 1.0 (0.2) | 1.3 (0.2) | 1.5 (0.2) |
| 12–17 | 17,676 | 1.4 (0.5) | 0.8 (0.2) | 0.9 (0.3) | 0.4 (0.1) | 1.1 (0.4) | 0.3 (0.1) | 1.0 (0.3) | 0.5 (0.2) | 0.4 (0.09) | 1.0 (0.3) | 0.8 (0.2) |
| 18–25 | 17,524 | 2.6 (0.6) | 2.7 (0.5) | 3.0 (0.7) | 2.5 (0.4) | 2.4 (0.6) | 3.2 (0.6) | 2.9 (0.2) | 3.4 (0.5) | 2.5 (0.5) | 3.9 (0.9) | 3.0 (0.2) |
| 26–49 | 11,915 | 0.4 (0.2) | 0.6 (0.3) | 0.7 (0.2) | 0.4 (0.2) | 0.4 (0.1) | 0.8 (0.3) | 1.0 (0.2) | 0.9 (0.3) | 0.8 (0.3) | 1.8 (0.5) | 1.6 (0.3) |
| 50+ | 3,404 | 0 (0) | 0.5 (0.5) | 0 (0) | 0.1 (0.09) | 0 (0) | 0.1 (0.02) | 0.2 (0.2) | 0.4 (0.3) | 0.1 (0.1) | 0.1 (0.03) | 0.4 (0.3) |
Note: Bolded text indicates statistically significant differences across 11 years at the Bonferroni-corrected p<0.002 level.
a
NSDUH = National Survey on Drug Use and Health
b
wt% = weighted percentage
c
SE = standard error