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Methodology used in the included studies
| Research strategy | Total | Longitudinal design | Cross-sectional design | Experimental design | Literature review |
|---|---|---|---|---|---|
| Quantitative | 33 | 9 | 14 | 10 | 0 |
| Qualitative | 7 | 0 | 7 | 0 | 0 |
| Mixed methods | 2 | 0 | 2 | 0 | 0 |
| N/A | 3 | N/A | N/A | N/A | 3 |
| Total | 45 | 9 | 23 | 10 | 3 |
