| Descriptive statisticsa | |||
| Dependent Variable: NL_prop | |||
| trichotomous age | Mean | Std. Deviation | N |
| <27 | 0.0117 | 0.03702 | 32 |
| 27 - 62 | 0.0000 | 0.00000 | 2 |
| 62+ | 0.0000 | 0.00000 | 4 |
| Total | 0.0099 | 0.03416 | 38 |