| N | Mean | F test | p | ||
| Age | 20 - 30 | 45 | 3.5987 | 5.125 | 0.000 |
| 31 - 40 | 145 | 3.5233 | |||
| 41 - 50 | 86 | 3.4555 | |||
| 51 - 60 | 69 | 3.1211 | |||
| Mean Difference | Std. Error | p | |||
| Scheffe Test | 20 - 30 | 31 - 40 | −0.075 | 0.047 | 0.000 |
| 41 - 50 | −0.143 | 0.058 | 0.000 | ||
| 51 - 60 | −0.478 | 0.089 | 0.000 | ||
| 31 - 40 | 20 - 30 | 0.075 | 0.048 | 0.000 | |
| 41 - 50 | −0.068 | 0.070 | 0.000 | ||
| 51 - 60 | −0.402 | 0.074 | 0.000 | ||
| 41 - 50 | 20 - 30 | 0.143 | 0.066 | 0.000 | |
| 31 - 40 | 0.068 | 0.070 | 0.000 | ||
| 51 - 60 | −0.334 | 0.981 | 0.000 | ||
| 51 - 60 | 20 - 30 | 0.478 | 0.088 | 0.000 | |
| 31 - 40 | 0.402 | 0.074 | 0.000 | ||
| 41 - 50 | 0.334 | 0.931 | 0.000 |