Table 2.

Summary of quality assessment criteria

Study type	JBI assessment criteria
Cross-Sectional	8 criteria, including: clear inclusion criteria, detailed setting description, valid measurement of exposure/outcome, identification and management of confounding factors, and appropriate statistical analysis
Case-Control	10 criteria, including: comparability of groups, matching procedures, consistent identification criteria, valid exposure/outcome measurement, management of confounding factors, sufficient exposure period, and appropriate statistical analysis
Cohort	11 criteria, including: similar group recruitment, valid exposure/outcome measurement, management of confounding factors, sufficient follow-up time, completeness of follow-up, and appropriate statistical analysis