Table 5:
Self-reported Driving Behaviors at 3- and 6-month Follow-up
| Rate ratio | 95% CI | p-value | ||
|---|---|---|---|---|
| Hand held cell phone use | ||||
| sex (M vs F) | 1.23 | 0.59, 2.56 | 0.58 | |
| HE-D vs LCO-D | 0.58 | 0.17, 2.05 | 0.40 | |
| HE-ND vs LCO-D | 0.59 | 0.18, 1.92 | 0.38 | |
| LCO-ND vs LCO-D | 1.74 | 0.49, 6.11 | 0.39 | |
| 3m vs 1m | 1.16 | 0.76, 1.78 | 0.49 | |
| 6m vs 1m | 1.44 | 0.98, 2.11 | 0.06 | |
| Hands free cell phone use | ||||
| sex (M vs F) | 0.64 | 0.26, 1.56 | 0.32 | |
| HE-D vs LCO-D | 0.76 | 0.23, 2.52 | 0.65 | |
| HE-ND vs LCO-D | 0.73 | 0.21, 2.59 | 0.63 | |
| LCO-ND vs LCO-D | 1.53 | 0.47, 4.99 | 0.48 | |
| 3m vs 1m | 1.25 | 0.81, 1.94 | 0.32 | |
| 6m vs 1m | 1.42 | 0.85, 2.37 | 0.18 | |
| Read text | ||||
| sex (M vs F) | 1.42 | 0.79, 2.55 | 0.25 | |
| HE-D vs LCO-D | 2.06 | 0.76,5.57 | 0.15 | |
| HE-ND vs LCO-D | 1.28 | 0.51,3.21 | 0.60 | |
| LCO-ND vs LCO-D | 3.11 | 1.20,8.09 | 0.02 | |
| 3m vs 1m | 1.45 | 1.08, 1.94 | 0.01 | |
| 6m vs 1m | 1.55 | 1.11, 2.17 | 0.01 | |
| Send text | ||||
| sex (M vs F) | 1.61 | 0.73,3.58 | 0.24 | |
| HE-D vs LCO-D | 4.03 | 0.57, 28.61 | 0.16 | |
| HE-ND vs LCO-D | 2.89 | 0.58, 14.29 | 0.19 | |
| LCO-ND vs LCO-D | 10.19 | 1.80,57.76 | 0.01 | |
| 3m vs 1m | 1.58 | 1.03, 2.42 | 0.04 | |
| 6m vs 1m | 1.60 | 0.91,2.81 | 0.10 | |
| Highest number of teen passengers | ||||
| sex (M vs F) | 1.03 | 0.87,1.21 | 0.75 | |
| HE-D vs LCO-D | 1.04 | 0.83,1.31 | 0.74 | |
| HE-ND vs LCO-D | 0.95 | 0.71, 1.26 | 0.72 | |
| LCO-ND vs LCO-D | 1.00 | 0.78, 1.28 | 0.98 | |
| 3m vs 1m | 1.32 | 1.15, 1.52 | <.0001 | |
| 6m vs 1m | 1.58 | 1.38, 1.81 | <.0001 | |