Table 4 Self-reported frequency of undertaking risky/alcohol-related behaviours at rivers in the past 12 months and drinking alcohol prior to visiting and while at the river, by BAC and hazardous drinking levels, chi square
| Â | Total | BAC 0.000 | Positive BAC (0.001 and higher) | X2 comparing BAC 0.000 to positive BAC (0.001 and higher) | Hazardous drinking levels - Yes | Hazardous drinking levels - No | Hazardous levels - Unknown | X2 comparing hazardous drinking levels - yes to hazardous drinking levels - no | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | N | % | N | % | N | % | N | % | N | % | N | % | ||
Swim within 2 h of consuming alcohol (n = 677) | ||||||||||||||
 Yes | 277 | 40.9 | 200 | 35.2 | 77 | 70.6 | 47.489 (p < 0.001) | 227 | 52.4 | 45 | 19.2 | 5 | 50.0 | 69.309 (p < 0.001) |
 No | 400 | 59.1 | 368 | 64.8 | 32 | 29.4 | 206 | 47.6 | 189 | 80.8 | 5 | 50.0 | ||
Boat within 2 h of consuming alcohol (as passenger or skipper) (n = 676) | ||||||||||||||
 Yes | 166 | 24.6 | 129 | 22.8 | 37 | 33.9 | 6.183 (p = 0.013) | 124 | 28.6 | 38 | 16.3 | 4 | 40.0 | 12.508 (p < 0.001) |
 No | 510 | 75.4 | 438 | 77.2 | 72 | 66.1 | 309 | 71.4 | 195 | 83.7 | 6 | 60.0 | ||
Swim alone (n = 674) | ||||||||||||||
 Yes | 351 | 52.1 | 283 | 50.0 | 68 | 63.0 | 6.107 (p = 0.013) | 237 | 54.9 | 106 | 45.7 | 8 | 80.0 | 5.084 (p = 0.024) |
 No | 323 | 47.9 | 283 | 50.0 | 40 | 37.0 | 195 | 45.1 | 126 | 54.3 | 2 | 20.0 | ||
Jump into a river from a height (e.g. from tree, bridge, rocks or using a rope swing) (n = 677) | ||||||||||||||
 Yes | 232 | 34.3 | 193 | 34.0 | 39 | 35.8 | 0.132 (p = 0.717) | 173 | 40.0 | 56 | 23.9 | 3 | 30.0 | 17.297 (p < 0.001) |
 No | 445 | 65.7 | 375 | 66.0 | 70 | 64.2 | 260 | 60.0 | 178 | 76.1 | 7 | 70.0 | ||
Swim in water that was too deep to touch the bottom (n = 677) | ||||||||||||||
 Yes | 512 | 75.6 | 424 | 74.8 | 88 | 80.7 | 1.838 (p = 0.175) | 339 | 78.3 | 165 | 70.5 | 8 | 80.0 | 4.977 (p = 0.026) |
 No | 165 | 24.4 | 144 | 25.4 | 21 | 19.3 | 94 | 21.7 | 69 | 29.5 | 2 | 20.0 | ||
Dive into water of unknown depth (n = 676) | ||||||||||||||
 Yes | 155 | 22.9 | 124 | 21.9 | 31 | 28.4 | 2.234 (p = 0.135) | 114 | 26.4 | 39 | 16.7 | 2 | 20.0 | 8.108 (p = 0.004) |
 No | 521 | 77.1 | 443 | 78.1 | 78 | 71.6 | 318 | 73.6 | 195 | 83.3 | 8 | 80.0 | ||
Camp (stay overnight) (n = 677) | ||||||||||||||
 Yes | 293 | 43.3 | 240 | 42.3 | 53 | 48.6 | 1.512 (p = 0.219) | 203 | 46.9 | 84 | 35.9 | 6 | 60.0 | 7.477 (p = 0.006) |
 No | 384 | 56.7 | 328 | 57.7 | 56 | 51.4 | 230 | 53.1 | 150 | 64.1 | 4 | 40.0 | ||
How often is alcohol consumed prior to visiting a river (n = 680) | ||||||||||||||
 Never | 429 | 63.1 | 391 | 68.5 | 38 | 34.9 | 49.655 (p < 0.001) | 227 | 52.3 | 199 | 84.3 | 3 | 30.0 | 75.033 (p < 0.001) |
 Sometimes | 222 | 32.6 | 161 | 28.2 | 61 | 56.0 | 30.035 (p < 0.001) | 187 | 43.1 | 30 | 12.7 | 5 | 50.0 | 63.114 (p < 0.001) |
 Always | 15 | 2.2 | 5 | 0.9 | 10 | 9.2 | 28.366 (p < 0.001) | 14 | 3.2 | 0 | 0.0 | 1 | 10.0 | 7.654 (p = 0.003)* |
 Not Applicable | 14 | 2.1 | 14 | 2.5 | 0 | 0.0 | – | 6 | 1.4 | 7 | 3.0 | 1 | 10.0 | – |
How often is alcohol consumed while at the river (n = 680) | ||||||||||||||
 Never | 343 | 50.4 | 322 | 56.4 | 21 | 19.3 | 52.839 (p < 0.001) | 169 | 38.9 | 171 | 72.5 | 3 | 30.0 | 74.559 (p < 0.001) |
 Sometimes | 307 | 45.1 | 233 | 40.8 | 74 | 67.9 | 25.696 (p < 0.001) | 244 | 56.2 | 58 | 24.6 | 5 | 50.0 | 59.136 (p < 0.001) |
 Always | 21 | 3.1 | 7 | 1.2 | 14 | 12.8 | 40.509 (p < 0.001) | 19 | 4.4 | 1 | 0.4 | 1 | 10.0 | 8.047 (p = 0.005)* |
 Not Applicable | 9 | 1.3 | 9 | 1.6 | 0 | 0.0 | – | 2 | 0.5 | 6 | 2.5 | 1 | 10.0 | – |