The Effect of Motorcycle Helmet Use
on the Probability
of Fatality and the Severity
of Head And Neck Injuries
Table III - Tobit Estimates of Head Injury Severity Model
| Equation | Constant | H | HI | K1 | K2 | BA | A | EA | EX | o | 1 |
| 3 | -9.97* | -17.24* | 0.45 | 0.0016* | | 1.23* | 0.13 | -5.31** | -0.068** | 20.58 | -1275.6 |
| (-3.03) | (-3.58) | (0.95) | (5.98) | | (4.48) | (1.07) | (-2.34) | (-2.09) | | |
| | | | | | | | | | | |
| 4 | -8.23** | -17.34* | 0.42 | | 0.0010* | 1.41* | 0.12 | -5.85* | -0.057 | 20.83 | -1279.5 |
| (-2.54) | (-3.58) | (0.86) | | (5.123) | (5.149) | (1.02) | (-2.56) | (-1.76) | | |
| | | | | | | | | | | |
t Statistics in parenthesis
* Significant at 1% level
** Significant at 5% level
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| Highlights
| Study
| Bibliography
| Footnotes
| Appendix A
| Appendix B |
© Copyright Jonathan P. Goldstein Ph.D. 1986. All Rights Reserved.
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