However, studies that found a decreasing trend in parental supply of alcohol over time [e.g.
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In the USA, the National Survey on Drug Use and Health ( Substance Abuse and Mental Health Services Administration, 2015 , Substance2016 , Substance2017 , 2018 , 2019 , 2020 , 2021 ) also found an increasing trend in parental supply of alcohol to minors who reported drinking from 7.9% in 2013 to 14.5% in 2020 ( Supplementary Appendix C ).