Prevalence and correlates of onychophagia among Egyptian medical students: a cross-sectional study.

Discov Ment Health · 2025 · PMC12719362 · PMID 41422174

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did not reach statistical significanceno p-value reported

(2021) observed a higher prevalence of nail biting among females, although the gender difference did not reach statistical significance [ 22 ].

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