Table 3 Criteria used to determine the potential for bias in the reviews
From: The effectiveness of interventions to change six health behaviours: a review of reviews
| Â | Criteria which had to be met | |
|---|---|---|
Criteria | ++ | + |
   1. Was there a focused aim or research question? | Yes | Yes |
   2. Explicit inclusion/exclusion criteria | Yes | Yes |
   3. More than 1 assessor/selector | Yes |  |
   4. Provide details of databases searched | Yes | Yes |
   5. Lists years searched | Yes | Yes |
   6. Followed up references in bibliographies | Yes |  |
   7. Experts consulted for further sources |  |  |
   8. Grey literature included/searched |  |  |
   9. Specified search terms/strategy | Yes | Yes |
   10. Not restricted to English language papers only | Yes |  |
   11. Quality assessed | Yes | Yes |
   12. Data supports conclusions | Yes | Yes |