How effective are health messages/warnings in improving knowledge and awareness of alcohol-related harm? The Slovenian case on using a mobile app.

In the case of well-known facts such as “Drinking alcohol during pregnancy can harm the unborn child”, “Alcohol slows reaction time”, “Alcohol can cause liver cirrhosis” and “Alcohol can interact with certain medications” the difference between scoring of both study samples did not reach statistical significance, which reflects the fact that the participants already had knowledge about these risks and harms (correct answers in the first survey varied between 98 and 99% of the participants).

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