Table 8. Post hoc analysis on the service needs
| Items | 5 | 6 | 7 | 8 |
| Carriers (146) | Average | 4.79 | 4.51 | 4.59 | 4.55 |
| SD | 1.162 | 1.288 | 1.306 | 1.151 |
| Shippers (190) | Average | 4.46 | 4.37 | 4.21 | 4.28 |
| SD | 1.258 | 1.200 | 1.163 | 1.290 |
| ANOVA (F) | p=0.014 (6.116) | p=0.311 (0.031) | p=0.005 (7.856) | p=0.053 (3.784) |
SD, standard deviation; ANOVA, analysis of variance.