Table 2. Logistic Regression Model for the Associations of MCR With Car Collisions and Near-Miss Traffic Incidents.
| Car collisions | Near-miss traffic incidents | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Crude | Adjusted | Crude | Adjusted | ||||||
| OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | ||
| MCR assessment | |||||||||
| Robust | 1 [Reference] | NA | 1 [Reference] | NA | 1 [Reference] | NA | 1 [Reference] | NA | |
| Only SMC | 1.58 (1.36-1.84) | <.001 | 1.48 (1.27-1.72) | <.001 | 2.14 (1.98-2.32) | <.001 | 2.07 (1.91-2.25) | <.001 | |
| Only slow gait | 1.21 (0.86-1.68) | .27 | 1.17 (0.83-1.63) | .368 | 1.17 (0.98-1.40) | .082 | 1.19 (0.99-1.43) | .06 | |
| MCR | 1.91 (1.53-2.37) | <.001 | 1.73 (1.39-2.16) | <.001 | 2.21 (1.93-2.54) | <.001 | 2.13 (1.85-2.45) | <.001 | |
| Age, per 1-y increase | NA | NA | 0.99 (0.98-1.01) | .243 | NA | NA | 0.98 (0.98-0.99) | <.001 | |
| Male sex | NA | NA | 0.91 (0.80-1.04) | .17 | NA | NA | 1.52 (1.40-1.64) | <.001 | |
| Educational year | NA | NA | 1.04 (1.01-1.07) | .003 | NA | NA | 1.03 (1.01-1.04) | .002 | |
| Eye disease | NA | NA | 1.16 (1.01-1.32) | .04 | NA | NA | 1.07 (0.98-1.16) | .13 | |
| Hearing difficulty | |||||||||
| No | NA | NA | 1 [Reference] | NA | 1 [Reference] | NA | 1 [Reference] | NA | |
| Sometimes | NA | NA | 1.18 (1.03-1.36) | .020 | NA | NA | 1.25 (1.15-1.36) | <.001 | |
| Yes | NA | NA | 1.35 (1.14-1.6) | <.001 | NA | NA | 1.44 (1.30-1.61) | <.001 | |
| Medication use (ref: <5) | NA | NA | 1.07 (0.92-1.25) | .36 | NA | NA | 1.05 (0.96-1.16) | .29 | |
| Sleep duration, h/night | |||||||||
| ≥7 | NA | NA | 1 [Reference] | NA | 1 [Reference] | NA | 1 [Reference] | NA | |
| 6.1-6.9 | NA | NA | 1.18 (1.03-1.37) | .021 | NA | NA | 1.14 (1.04-1.24) | .003 | |
| ≤6 | NA | NA | 1.32 (1.12-1.55) | .001 | NA | NA | 1.07 (0.97-1.19) | .16 | |
| Excessive daytime sleepinessa | NA | NA | 1.32 (1.12-1.54) | .001 | NA | NA | 1.34 (1.21-1.50) | <.001 | |
| Driving time, per 1-min/d increase | NA | NA | 1.00 (1.00-1.00) | <.001 | NA | NA | 1.00 (1.00-1.00) | <.001 | |
| Cognitive impairment | NA | NA | 1.11 (0.96-1.29) | .15 | NA | NA | 0.91 (0.83-0.99) | .04 | |
Abbreviations: MCR, motoric cognitive risk syndrome; NA, not applicable; OR, odds ratio; SMC, subjective memory concerns.
a
The reference group was participants who experienced daytime sleepiness less than 1 day per week.