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. 2026 Jul 13;17:1887582. doi: 10.3389/fpsyg.2026.1887582

Figure 2.

Risk-of-bias summary matrix displaying 30 studies in rows and five RoB 2 domains plus overall risk in columns. Green circles with plus signs indicate low risk, yellow circles with minus signs indicate some concerns, and red circles with crosses indicate high risk. Most judgments are categorized as some concerns, and no study is rated as having an overall low risk of bias.

Risk of bias summary. Low risk, green; some concerns, yellow; high risk, red.