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From: Units of information on dynamic message signs: a speed pattern analysis
Coefficient | Std. Error | t-ratio | p-value | |
---|---|---|---|---|
All units | ||||
const | 37.6030 | 1.75017 | 21.49 | < 0.0001* |
Male | 0.852680 | 0.633566 | 1.346 | 0.1786 |
26 to 35 | 4.12656 | 0.850250 | 4.853 | < 0.0001* |
36 to 45 | −0.178345 | 1.02615 | −0.1738 | 0.8620 |
46 to 55 | 0.881788 | 0.975464 | 0.9040 | 0.3662 |
> 55 age | −1.03709 | 1.37046 | −0.7567 | 0.4493 |
6–7 units | ||||
const | 35.5793 | 4.11774 | 8.640 | < 0.0001* |
Male | 2.09607 | 1.24063 | 1.690 | 0.0924 |
26 to 35 | 0.205542 | 1.60506 | 0.1281 | 0.8982 |
36 to 45 | −3.16696 | 1.83939 | −1.722 | 0.0864 |
46 to 55 | 0.635486 | 1.66670 | 0.3813 | 0.7033 |
> 55 age | −5.54713 | 2.10955 | −2.630 | 0.0091* |
5 units | ||||
const | 42.0496 | 2.19147 | 19.19 | < 0.0001* |
Male | −1.25050 | 0.782958 | − 1.597 | 0.1119 |
26 to 35 | 0.313431 | 0.875176 | 0.3581 | 0.7206 |
36 to 45 | −0.0151478 | 1.15074 | −0.01316 | 0.9895 |
46 to 55 | 0.831526 | 0.966787 | 0.8601 | 0.3908 |
> 55 age | 1.98762 | 1.42122 | 1.399 | 0.1636 |
4 units | ||||
const | 37.3436 | 1.25707 | 29.71 | < 0.0001* |
Male | −1.05145 | 0.494319 | −2.127 | 0.0341* |
26 to 35 | 2.36136 | 0.707826 | 3.336 | 0.0009* |
36 to 45 | −2.85666 | 0.836796 | −3.414 | 0.0007* |
46 to 55 | −0.665750 | 0.864182 | −0.7704 | 0.4416 |
> 55 age | −0.953455 | 1.13846 | −0.8375 | 0.4029 |
2–3 units | ||||
const | 38.3359 | 3.65360 | 10.49 | < 0.0001* |
Male | 1.60923 | 1.30303 | 1.235 | 0.2173 |
26 to 35 | 7.05271 | 1.82269 | 3.869 | 0.0001* |
36 to 45 | 0.796663 | 2.17824 | 0.3657 | 0.7147 |
46 to 55 | 2.05524 | 2.09469 | 0.9812 | 0.3269 |
> 55 age | −0.764986 | 3.23152 | −0.2367 | 0.8129 |