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Descriptive characteristics of included studies
| Number (%) | |
| Method | |
| Quantitative | 58 (93.6) |
| Qualitative | 0 (0.0) |
| Mixed | 4 (6.5) |
| Study design | |
| Intervention | 4 (6.5) |
| Observational | 58 (93.6) |
| Cross-sectional | 50 (80.7) |
| Longitudinal | 10 (16.1) |
| Level of evidence | |
| 1 | 0 (0.0) |
| Other | 62 (100.0) |
| Setting | |
| Hospital | 55 (88.7) |
| Aged care | 4 (6.5) |
| Other | 3 (4.8) |
| Country | |
| USA | 36 (58.1) |
| Europe | 11 (17.7) |
| Canada | 5 (8.1) |
| Asia | 4 (6.5) |
| Australia | 2 (3.2) |
| Middle East | 2 (3.2) |
| UK | 2 (3.2) |
