Trends in frequency of cannabis use among clients in the cannabis-only and cannabis-plus groups between 2010/11 and 2015/16
| Group | 2010/11 no. (%) | 2011/12 no. (%) | 2012/13 no. (%) | 2013/14 no. (%) | 2014/15 no. (%) | 2015/16 no. (%) | p value* |
|---|---|---|---|---|---|---|---|
| Cannabis only | |||||||
| New admissions | |||||||
| Did not use | 382 (13.8) | 341 (11.8) | 367 (14.2) | 327 (12.7) | 353 (13.8) | 275 (12.3) | < 0.001 |
| 1–3 times monthly | 284 (10.3) | 307 (10.6) | 260 (10.1) | 301 (11.7) | 281 (11.0) | 197 (8.8) | |
| 1–2 times weekly | 553 (20.0) | 615 (21.2) | 469 (18.1) | 374 (14.6) | 385 (15.0) | 297 (13.2) | |
| 3–6 times weekly | 480 (17.3) | 429 (14.8) | 423 (16.4) | 426 (16.6) | 426 (16.6) | 360 (16.1) | |
| Daily | 1014 (36.6) | 1156 (39.8) | 1027 (39.7) | 1078 (42.0) | 1072 (41.8) | 1077 (48.0) | |
| Binge† | 58 (2.1) | 55 (1.9) | 41 (1.6) | 60 (2.3) | 49 (1.9) | 37 (1.7) | |
| Total caseload‡ | |||||||
| Did not use | – | 468 (12.0) | 495 (13.3) | 469 (12.7) | 486 (13.1) | 437 (12.6) | < 0.001 |
| 1–3 times monthly | – | 417 (10.7) | 392 (10.5) | 421 (11.4) | 405 (10.9) | 326 (9.4) | |
| 1–2 times weekly | – | 760 (19.5) | 640 (17.2) | 543 (14.7) | 556 (15.0) | 466 (13.4) | |
| 3–6 times weekly | – | 603 (15.5) | 612 (16.5) | 637 (17.3) | 626 (16.9) | 555 (16.0) | |
| Daily | – | 1572 (40.4) | 1517 (40.8) | 1550 (42.0) | 1568 (42.3) | 1637 (47.1) | |
| Binge† | – | 70 (1.8) | 62 (1.7) | 70 (1.9) | 63 (1.7) | 54 (1.6) | |
| Cannabis plus | |||||||
| New admissions | |||||||
| Did not use | 2161 (14.4) | 2163 (13.9) | 2011 (13.3) | 2045 (13.2) | 1925 (12.7) | 1853 (12.5) | < 0.001 |
| 1–3 times monthly | 2134 (14.2) | 2129 (13.7) | 2095 (13.9) | 2135 (13.8) | 2095 (13.8) | 1887 (12.7) | |
| 1–2 times weekly | 2006 (13.3) | 2010 (12.9) | 1935 (12.8) | 1926 (12.4) | 1801 (11.8) | 1790 (12.1) | |
| 3–6 times weekly | 2005 (13.3) | 2102 (13.5) | 2113 (14.0) | 2070 (13.4) | 2055 (13.5) | 1880 (12.7) | |
| Daily | 6111 (40.6) | 6518 (41.8) | 6268 (41.6) | 6633 (42.9) | 6721 (44.2) | 6775 (45.6) | |
| Binge† | 637 (4.2) | 661 (4.2) | 650 (4.3) | 669 (4.3) | 612 (4.0) | 658 (4.4) | |
| Total caseload‡ | |||||||
| Did not use | – | 2941 (15.0) | 2857 (14.5) | 2893 (14.1) | 2894 (13.8) | 2911 (13.8) | < 0.001 |
| 1–3 times monthly | – | 2689 (13.7) | 2768 (14.0) | 2854 (13.9) | 2894 (13.8) | 2774 (13.1) | |
| 1–2 times weekly | – | 2515 (12.8) | 2530 (12.8) | 2562 (12.5) | 2562 (12.2) | 2587 (12.2) | |
| 3–6 times weekly | – | 2677 (13.6) | 2783 (14.1) | 2805 (13.7) | 2868 (13.7) | 2756 (13.0) | |
| Daily | – | 8028 (40.9) | 8034 (40.7) | 8558 (41.8) | 9006 (42.9) | 9307 (44.0) | |
| Binge† | – | 770 (3.9) | 765 (3.9) | 817 (4.0) | 769 (3.7) | 841 (4.0) | |