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Characteristics of included studies
| Classification | Number (n) | % |
|---|---|---|
| Research design | ||
| Qualitative | 11 | 30% (11/37) |
| Quantitative | 19 | 51% (19/37) |
| Mixed-design | 7 | 19% (7/37) |
| Research methodology | ||
| First hand studies | 31 | 84% (31/37) |
| Secondary analysis of national survey | 6 | 16% (6/37) |
| Location | ||
| Asia | 5 | 14% (5/37) |
| Australia | 4 | 11% (4/37) |
| Europe | 5 | 14% (5/37) |
| North America & Asia | 1 | 3% (1/37) |
| North America | 22 | 58% (22/37) |
| Research setting | ||
| Medical centre | 2 | 5% (2/37) |
| Community setting | 35 | 95% (35/37) |
