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Characteristics of reports included (n=32)
| Characteristics | n of studies included n (%) |
| Country | |
| UK | 9 (28) |
| Spain | 6 (19) |
| USA | 6 (19) |
| Netherlands | 4 (13) |
| Finland | 2 (6) |
| Croatia, Holland, Iran, Sweden, Canada* | 5 (15) |
| Year of publication | |
| 2018–2021 | 20 (63) |
| 2014–2017 | 8 (25) |
| 2009–2013 | 4 (13) |
| Study design | |
| Non-RCT quantitative designs (quasi-experimental, transversal) | 11 (34) |
| Mixed-method | 11 (34) |
| Qualitative designs | 5 (16) |
| RCT | 5 (16) |
*One study per country.
RCT, Randomized Controlled Trial.
