Table 3 Associations among risk behaviours at ages 14, 16 and 19
From: The correlates and course of multiple health risk behaviour in adolescence
| Â | Engagement in other risk behaviours | |||
| Â | Reg. smoking | Reg. alcohol use | Ever tried cannabis | Delinquency |
| Â | % (95Â % CI) | % (95Â % CI) | % (95Â % CI) | % (95Â % CI) |
Panel A: Age 14 | ||||
 Reg. smokers | – | 30.0 (26.3, 34.0) | 58.3 (54.0, 62.6) | 77.2 (73.4, 80.6) |
 Non-regular smokers | – | 6.4 (5.8, 7.0) | 6.5 (6.0, 7.1) | 25.5 (24.5, 26.5) |
  Association: OR | – | 6.0 (4.8, 7.5) | 22.2 (18.0, 27.3) | 11.0 (8.8, 13.7) |
 Reg. alcohol users | 22.9 (19.9, 26.2) | – | 36.9 (33.3, 40.6) | 62.3 (58.9, 65.5) |
 Not regular users | 4.5 (4.0, 5.1) | – | 7.5 (6.9, 8.1) | 25.7 (24.6, 26.8) |
  Association: OR | 6.0 (4.8, 7.5) | – | 6.8 (5.6, 8.1) | 4.7 (4.0, 5.5) |
 Tried Cannabis | 35.6 (32.7, 38.7) | 29.1 (26.3, 32.0) | – | 71.4 (68.5, 74.1) |
 Not tried Cannabis | 2.7 (2.3, 3.1) | 5.4 (4.9, 5.9) | – | 23.8 (22.8, 24.8) |
  Association: OR | 22.3 (18.1, 27.5) | 6.8 (5.6, 8.1) | – | 7.4 (6.3, 8.6) |
 Delinquency | 15.8 (14.3, 17.5) | 17.0 (15.7, 18.5) | 24.3 (22.7, 26.0) | – |
 No delinquency | 1.9 (1.6, 2.2) | 4.1 (3.4, 4.7) | 3.9 (3.4, 4.4) | – |
  Association: OR | 11.1 (8.9, 13.8) | 4.7 (4.0, 5.5) | 7.4 (6.3, 8.6) | – |
Panel B: Age 16 | ||||
 Reg. smokers | – | 46.2 (43.3, 49.1) | 73.0 (70.7, 75.3) | 50.1 (47.3, 52.9) |
 Non-regular smokers | – | 13.9 (12.9, 14.8) | 18.2 (17.2, 19.3) | 15.5 (14.6, 16.4) |
  Association: OR | – | 5.3 (4.7, 6.1) | 13.0 (11.4, 14.9) | 6.1 (5.3, 7.0) |
 Reg. alcohol users | 40.1 (38.3, 43.6) | – | 62.7 (60.1, 65.2) | 48.1 (45.4, 50.8) |
 Not regular users | 11.5 (10.6, 12.4) | – | 20.0 (19.0, 21.0) | 15.6 (14.7, 16.5) |
  Association: OR | 5.3 (4.6, 6.1) | – | 6.4 (5.6, 7.2) | 5.2 (4.6, 5.9) |
 Tried cannabis | 45.4 (43.1, 47.7) | 43.3 (41.1, 45.5) | – | 46.4 (44.3, 48.6) |
 Not tried | 6.4 (5.8, 7.1) | 10.2 (9.4, 11.0) | – | 12.2 (11.4, 13.0) |
  Association: OR | 13.1 (11.4, 14.9) | 6.4 (5.7, 7.2) | – | 6.4 (5.7, 7.2) |
 Delinquency | 40.3 (37.9, 42.7) | 43.0 (40.6, 45.4) | 60.0 (57.6, 62.2) | – |
 No delinquency | 11.0 (10.1, 11.9) | 13.0 (12.1, 14.0) | 19.3 (18.3, 20.3) | – |
  Association: OR | 6.1 (5.3, 7.0) | 5.2 (4.6, 5.9) | 6.4 (5.7, 7.2) | – |
| Â | Engagement in other risk behaviours | |||
| Â | Heavy alcohol use | Drug use, 30Â days | Sexual Risk | Â |
| Â | % (95Â % CI) | % (95Â % CI) | % (95Â % CI) | Â |
Panel C: Age 19 | ||||
 Heavy alcohol use | – | 28.2 (25.8, 30.7) | 19.3 (17.1, 21.7) |  |
 Non-heavy or no use | – | 10.5 (9.6, 11.4) | 12.1 (11.2, 13.2) |  |
  Association: OR | – | 3.1 (1.7, 2.3) | 1.9 (1.6, 2.2) |  |
 Drugs | 40.7 (37.4, 44.1) | – | 26.8 (23.8, 30.1) |  |
 No drugs | 17.0 (15.9, 18.3) | – | 11.3 (10.4, 12.3) |  |
  Association: OR | 3.1 (2.6, 3.6) | – | 2.7 (2.3, 3.3) |  |
 Sexual Risk | 29.3 (26.3, 32.6) | 28.2 (25.2, 31.5) | – |  |
 No sexual risk | 19.3 (18.1, 20.6) | 12.1 (11.2, 13.0) | – |  |
  Association: OR | 1.9 (1.6, 2.2) | 2.7 (2.3, 3.3) | – |  |