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Critical appraisal tool according to Joanne Briggs Institute checklists.
| Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | Q9 | Q10 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Analytic cross-sectional studies | ||||||||||
| Kurowska et al. [41] | N | Y | Y | U | N | NA | Y | N | - | - |
| Zhang et al. [40] | Y | Y | Y | U | N | NA | Y | Y | - | - |
| Case-control studies | ||||||||||
| Kállay [42] | Y | Y | U | Y | Y | N | NA | Y | Y | N |
Note: Y = yes; N = no; U = unclear; NA = not applicable.
