Ref. | Assessment criteria of the studies. |
---|
1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. | 10. |
---|
[5] | ** | * | ** | ** | * | * | ** | ** | _ | ** |
[33] | * | ** | ** | ** | * | * | * | * | ** | ** |
[42] | ** | * | ** | ** | ** | * | * | ** | x | ** |
[34] | * | * | * | ** | * | ** | ** | ** | * | ** |
[32] | ** | * | ** | ** | * | * | * | ** | * | ** |
[45] | ** | ** | ** | * | * | ** | * | ** | ** | ** |
[36] | ** | * | ** | * | ** | ** | * | ** | * | * |
[35] | ** | * | ** | * | ** | * | _ | ** | * | ** |
[40] | ** | ** | ** | ** | ** | ** | * | ** | * | ** |
[41] | ** | * | ** | ** | ** | ** | ** | ** | * | ** |
[37] | ** | * | ** | ** | * | ** | * | ** | ** | ** |
[38] | ** | * | ** | ** | * | ** | ** | * | * | ** |
[39] | ** | * | ** | * | * | * | * | ** | * | ** |
[43] | ** | ** | ** | ** | * | ** | ** | ** | * | ** |
[30] | ** | ** | ** | ** | x | ** | x | ** | * | * |
[44] | ** | * | ** | * | * | ** | * | ** | _ | * |
- 1. Study background and theoretical framework are clearly defined.
- 2. Purpose, aim and research questions are clearly defined.
- 3. The design is clearly stated.
- 4. The setting is clearly described.
- 5. For independent and dependent variables, confounders are clearly identified and consistently implemented or something else should be added here.
- 6. Data sources and analysis methods are clearly described.
- 7. Efforts to address potential sources of bias are described.
- 8. Research questions are answered logically.
- 9. Study limitations and generalizability are discussed.
- 10. Relevance to the topic.
- ** assessment criteria are satisfied
- * assessment criteria are partly satisfied
- _ assessment criteria are hardly or not at all satisfied
- x assessment criteria do not apply.