Logistic regression model of PFD use after the 2005 regulations versus before among boaters on small recreational power vessels relative to boaters on large vessels, overall and by gender, age, vessel type and trip purpose
| Strata | Level | Odds of PFD wear after the 2005 regulations versus before in small vessels relative to large vessels | 95% CI | Statistical Significance | |
|---|---|---|---|---|---|
| Lower | Upper | ||||
| All | All | 6.200 | 4.157 | 9.247 | 0.000 |
| Gender | |||||
| Male | 6.162 | 3.813 | 9.958 | 0.000 | |
| Female | 6.287 | 3.052 | 12.949 | 0.000 | |
| Age | |||||
| 0–9 years | 7.074 | 1.753 | 28.548 | 0.006 | |
| 10–17 years | 3.281 | 1.536 | 7.010 | 0.002 | |
| 18–59 years | 6.783 | 4.047 | 11.369 | 0.000 | |
| 60+years | 54.616 | 7.451 | 400.324 | 0.000 | |
| Type of vessel | |||||
| Open | 16.581 | 8.203 | 33.514 | 0.000 | |
| Cuddy/half cabin cruiser | 24.648 | 10.926 | 55.601 | 0.000 | |
| Full cabin cruiser | 21.903 | 2.118 | 226.526 | 0.010 | |
| Ski boat | 11.903 | 3.208 | 44.171 | 0.000 | |
| PWC | |||||
| Yacht (motor/trailer sailer) | |||||
| Other/unknown | 2.734 | 0.517 | 14.449 | 0.236 | |
| Trip purpose (activity of boater) | |||||
| Fishing | 45.013 | 21.431 | 94.545 | 0.000 | |
| Towed water sports | 2.951 | 0.952 | 9.152 | 0.061 | |
| Pleasure cruising/general | 15.043 | 7.319 | 30.920 | 0.000 | |
| High-speed racing | |||||
| PWC riding | |||||
| Sailing | |||||
| Other/unknown | 2.962 | 0.445 | 19.703 | 0.261 | |
Note: Empty cells indicate insufficient data to obtain estimate.
PFD, personal flotation device; PWC, personal watercraft/jet ski.