Prevalence of helmet use (%) in 2001, 2002 and 2003 by education and proportion of days skied/snowboarded
Predictor | 2001 | 2002 | 2003 |
---|---|---|---|
Education | |||
High school graduate or less | 6.9 | 18.5 | 20.7 |
Some college education | 13.6 | 20.3 | 20.4 |
College graduate | 12.5 | 20.9 | 24.7 |
Proportion of days skied or snowboarded | |||
1st quartile | 1.9 | 5.6 | 7.1 |
2nd quartile | 5.4 | 11.3 | 15.5 |
3rd quartile | 14.6 | 23.1 | 31.6 |
4th quartile | 27.6 | 38.4 | 38.4 |