Effects of a Whole-School Prevention Program Targeting Mental Health and Nonsuicidal Self-Injury in Swedish Adolescents: A Cluster-Randomized Experimental Study with Longitudinal Follow-Up.

J Youth Adolesc · 2026 · PMC13076508 · PMID 40932580

Europe PMC DOI

hedged sentences

0.0660

closest p · 1.3× alpha

0.0660

boldest claim

The sentences

approaching significancep = 0.066so close (0.05 < p ≤ 0.1)

For KIDSCREEN Peers and Social Support, there was an interaction approaching significance in the NSSI group t (2,74) = 2.813, p = 0.066, partial η 2 = 0.071.

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an increasing trendno p-value reported

Adolescent Mental Health In 2019, almost 19.8% of European children and youth (ages 10 to 24) experienced mental or substance use disorders, with an increasing trend since 1990.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.