Effects of an App-Based Intervention Program to Reduce Substance Use, Gambling, and Digital Media Use in Adolescents and Young Adults: A Multicenter, Cluster-Randomized Controlled Trial in Vocational Schools in Germany.

Int J Environ Res Public Health · 2023 · PMC9915308 · PMID 36767337

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

The sentences

highly significantno p-value reported

Third, attrition analysis showed a number of highly significant differences between drop-outs and completers, which reduces the external validity of the study.

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