Table 5 Results for items related to importance of several factors to reduce drop out of parents in a Web-based intervention to reduce binge drinking in 16- to 18-year-old adolescents
Strategy | Second round | Third round | ||
|---|---|---|---|---|
|  | N = 56 |  | N = 34 |  |
| Â | Mdn | IQD | Mdn | IQD |
1. Monetary incentives | 5 | 3 | 5 | 1.75 |
2. Non-monetary incentives (e.g., movie tickets) | 5 | 2 | 5 | 1 |
3. *Reminders per e-mail | 6 | 2 | 6 | 1 |
4. *Reminders per sms (text message) | 6 | 2.50 | 6 | 0.75 |
5. *Use of highly relevant material | 6 | 2 | 6 | 0.50 |
6. *Interesting topics | 6 | 2 | 6 | 0 |
7. *Ensuring that they realize that doing this will make a difference | 6.5 | 1 | - | - |
8. *Use of language that does not sound pompous or may be interpreted as condescending | 6 | 2 | 6 | 1 |
9. *Make clear that it is understood that parents are the best experts when it comes to their children and that parents want what’s best for their children and that being a parent can be extremely difficult | 6 | 2 | 6 | 0 |
10. *Recommendations need to be realistic and feasible | 6.5 | 1 | - | - |
11. Engrossing website | 5 | 2 | 5 | 0.25 |
12. The use of the website should be addictive itself | 3 | 3.50 | 3 | 2 |
13. Compelling set of lessons | 5 | 2 | 5 | 1 |
14. *Make the need for the intervention salient to parents | 6 | 2 | 6 | 0 |
15. Attractive design | 5 | 1 | - | - |
16. *Usability | 7 | 1 | - | - |
17. *Tailored | 6 | 1 | - | - |
18. Tips / reaction from an expert | 5 | 2 | 5 | 1 |
19. Parents should have the possibility to communicate with each other (e.g., forum) | 5 | 2 | 5 | 1.50 |