Variable | β | Standard Error | Odds Ratio | 95% CI | P value |
---|---|---|---|---|---|
Helmet type | |||||
1. Nonstandard helmet | 0.2625 | 0.1157 | 1.300 | 1.036–1.631 | 0.0241 |
2. Standard helmet | 1 | ||||
Age | |||||
1. ≥ 65 | 0.7496 | 0.2838 | 2.116 | 1.213–3.690 | 0.0083 |
2. Other age group | 1 | ||||
Crash type | |||||
1. Multiple vehicle | 0.4379 | 0.1778 | 1.549 | 1.093–2.196 | 0.0138 |
2. Single vehicle | 1 | ||||
Drunk riding | |||||
1. Yes (BAC level > 0.03%) | 0.3606 | 0.1378 | 1.434 | 1.094–1.879 | 0.0091 |
2. No (BAC level ≤ 0.03%) | 1 | ||||
Using a mobile phone | |||||
3. Yes | 0.9910 | 0.3322 | 2.694 | 1.405–5.167 | 0.0064 |
4. No | 1 |