TABLE 2.
Results of multivariable regression analyses examining the relationship between retinal nerve fiber layer thickness in the better eye in subjects with glaucoma and controls, and driving simulator divided attention reaction times at low contrast (in logarithmic units).
| Curve Negotiation Task | |||
|---|---|---|---|
| Log10 Curve Negotiation Divided Attention Reaction Time, adjusted R2 = 0.469. | |||
| Coefficient | 95% CI | P-Value | |
| RNFL thickness in better eye (per 10μm) | −0.24 | −0.40 to −0.10 | 0.001 |
| RNFL thickness in better eye squared (per 100μm2) | 0.01 | 0.00 to 0.02 | 0.004 |
| Age (per 10 years) | 0.03 | 0.02 to 0.05 | 0.035 |
| MD in better eye (dB) | −0.02 | −0.03 to −0.01 | <0.001 |
| Curve coherence | −0.63 | −1.10 to −0.15 | 0.010 |
| Montreal Cognitive Assessment score | −0.01 | −0.02 to 0.01 | 0.337 |
| Constant | 1.59 | 0.74 to 2.44 | <0.001 |
| Car Following Task | |||
|---|---|---|---|
| Log10 Car Following Divided Attention Reaction Time, adjusted R2 = 0.316. | |||
| Coefficient | 95% CI | P-Value | |
| RNFL thickness in better eye (per 10μm) | −0.22 | −0.41 to −0.04 | 0.019 |
| RNFL thickness in better eye squared (per 100μm2) | 0.01 | 0.00 to 0.02 | 0.004 |
| Age (per 10 years) | 0.03 | 0.00 to 0.06 | 0.057 |
| MD in better eye (dB) | −0.02 | −0.03 to −0.01 | 0.001 |
| Speed coherence | −0.34 | −0.65 to −0.04 | 0.029 |
| Montreal Cognitive Assessment score | 0.00 | −0.01 to 0.02 | 0.712 |
| Constant | 0.99 | −0.05 to 2.02 | 0.062 |
Abbreviations: RNFL = Retinal nerve fiber layer, MD = mean deviation.