Table 7.
Relationship among independent variables (multiscale entropy, RR interval, and work vibration) and dependent variable (driving time).
| Independent variables | Dependent variable: driving time | ||||
|
|
Estimated | SE | t valuea | P value | VIFb |
| MSEc | 10.5 | 4.01 | 2.63 | .01 | 1.27 |
| RRId | –0.259 | 0.0807 | –3.21 | .003 | 1.24 |
| MSDVze | –10.3 | 3.31 | –3.11 | .004 | 1.53 |
| Intercept | 1823.3 | 476.6 | 3.83 | <.001 | —f |
| Multiple R2g | 0.444 | — | — | — | — |
| Adjusted R2 | 0.400 | — | — | — | — |
| F static valueh | 10.1 | — | — | <.001 | — |
at value: result of the student t test.
bVIF: variance inflation factor.
cMSE: multiscale entropy.
dRRI: RR interval.
eMSDVz: motion sickness dose value.
fNot available.
gR2: coefficient of determination.
hF static value: variance ratio.