Investigation on Motorcyclist Riding Behaviour at Curve Entry Using Instrumented Motorcycle

Table 3

Regression weights, standardized regression weights, variance, and squared multiple correlations.

(a) Regression weights and standardized regression weights

	Unstandardized coefficient est.	Standardized coefficient est.	S.E.	C.R.	𝑃
Speed←distance	0.091	0.315	0.009	10.496	***
Speed ← age	−0.472	−0.477	0.115	−4.095	***
Speed ← riding exp.	0.380	0.392	0.113	3.372	***
Speed ← travel mileage	0.002	0.029	0.001	1.063	0.288
Throttle ← distance	0.293	0.641	0.012	24.690	***
Rear brake ← speed	0.283	0.071	0.103	2.759	0.006
Front brake ← speed	0.347	0.093	0.100	3.468	***
Throttle ← riding exp.	−0.445	−0.290	0.152	−2.919	0.004
Throttle ← travel mileage	−0.005	−0.063	0.002	−2.721	0.007
Rear brake ← riding exp.	−1.947	−0.502	0.394	−4.940	***
Front brake ← riding exp.	−0.788	−0.217	0.384	−2.050	0.040
Rear brake ← travel mileage	0.025	0.117	0.005	4.921	***
Front brake ← travel mileage	0.000	−0.001	0.005	−0.042	0.966
Throttle ← age	0.327	0.209	0.156	2.097	0.036
Rear brake ← age	1.067	0.269	0.404	2.645	0.008
Front brake ← age	0.509	0.137	0.394	1.293	0.196
Rear brake ← distance	−0.658	−0.567	0.031	−21.225	***
Front brake ← distance	−0.636	−0.586	0.030	−21.041	***
Throttle ← speed	−0.628	−0.398	0.040	−15.792	***

Note: ***indicate that the probability value is less than 0.001.

(b) Variance

	Covariance	Correlation coefficient	S.E.	C.R.	𝑃
Riding exp.↔ age	110.098	0.972	4.550	24.195	***

(c) Squared multiple correlations

	Estimate
Speed	0.118
Throttle	0.423
Front brake	0.326
Rear brake	0.379