Table 4 Number and percentage of included studies according to study design
Study characteristics | Included studies (n = 130) |
|---|---|
Study design | No. (%) |
Cohort | 56 (43.1) |
Cross-sectional | 52 (40.0) |
Mixed methods | 8 (6.2) |
Qualitative | 8 (6.2) |
Case control | 3 (2.3) |
Other | 3 (2.3) |