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Overview of study focus, by country setting and study type
| Focus | Total | Country setting | Internal or independent programme review | Before and after (controlled or uncontrolled) | Qualitative | Cross-sectional | Mixed methods | |
|---|---|---|---|---|---|---|---|---|
| High-income | Low or middle income | |||||||
| Mechanism | 12 | 10 | 2 | 1 | 0 | 7 | 3 | 1 |
| Context | 6 | 6 | 0 | 0 | 3 | 0 | 2 | 1 |
| Context and implementation | 3 | 2 | 1 | 0 | 2 | 0 | 1 | 0 |
| Implementation and mechanism | 5 | 3 | 2 | 2 | 0 | 1 | 0 | 2 |
| All | 6 | 2 | 4 | 4 | 0 | 0 | 1 | 1 |
| Total | 32 | 23 | 9 | 7 | 5 | 8 | 7 | 5 |
