The Effect of Motorcycle Helmet Use on the Probability
of Fatality and the Severity of Head And Neck Injuries
Table 1 - Probit Estimates of Fatality Model
| Equation |
Constant |
H |
HI |
K1 |
K2 |
BA |
A |
EA |
EX |
1 |
X2 |
| 1 |
-2.33* |
-1.22 |
0.065 |
0.00010* |
|
0.067* |
0.017 |
-0.23 |
-0.0033 |
|
|
|
|
|
|
|
|
|
|
|
|
-90.32 |
67.93 |
|
(-7.50) |
(-1.45) |
(0.80) |
(4.86) |
|
(3.49) |
(1.59) |
(-0.96) |
(-1.02) |
|
|
|
| 2 |
-2.09* |
-1.23 |
0.065 |
|
0.000050* |
0.077* |
0.015 |
-0.28 |
-0.0018 |
|
|
|
|
|
|
|
|
|
|
|
|
-95.53 |
57.52 |
|
(-7.36) |
(-1.43) |
(0.78) |
|
(3.85) |
(4.31) |
(1.46) |
(-1.22) |
(-0.61) |
|
|
|
t Statistics in parenthesis
* Significant at 1% level |
| Home | Highlights | Study | Bibliography | Footnotes | Appendix A | Appendix B |
© Copyright Jonathan P. Goldstein Ph.D. 1986. All Rights Reserved.
|