| Participant | 18 - 20 year | 21 - 29 year | 30 - 39 year | 40 - 50 year | Total | Percentage | |
| Yes | 9 | 59 | 14 | 9 | 91 | 25.1% | |
| No | 4 | 27 | 8 | 4 | 43 | 11.8% | |
| Don’t know | 26 | 149 | 34 | 26 | 235 | 64.7 | |