OR (95% CI) | P-value | |
Experience (novice vs experienced) | 0.91 (0.74 to 1.13) | 0.416 |
Response year | 0.384 | |
2010 | Reference category | |
2011 | 1.08 (0.78 to 1.49) | 0.636 |
2012 | 1.14 (0.83 to 1.55) | 0.416 |
2013 | 1.16 (0.85 to 1.58) | 0.342 |
2014 | 1.34 (.099 to 1.81) | 0.056 |
Hours of exposure | 1.00 (1.00 to 1.00) | 0.000 |