Table 9. Post hoc analysis on the service response
| Items | 12 | 13 |
| Carriers (146) | Average | 5.14 | 4.86 |
| SD | 1.041 | 1.080 |
| Shippers (146) | Average | 5.29 | 4.06 |
| SD | 0.996 | 1.167 |
| ANOVA (F) | p=0.159 (1.990) | p=0.035 (4.469) |
SD, standard deviation; ANOVA, analysis of variance.