Cultural background and pandemic context as moderators of the association between expressive suppression and sleep quality in healthy adults: a systematic review and meta‑analysis.

Although Egger’s regression test was only marginally significant and should be interpreted cautiously, the significant Begg’s test and the asymmetry observed in the funnel plot suggest that studies with small or null effects may be underrepresented in the published literature, a pattern commonly interpreted as indicative of potential publication bias [ 63 , 85 ].

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