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. 2022 Apr 11;20:106. doi: 10.1186/s12916-022-02314-3

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© The Author(s) 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 2 — Results of the Mendelian randomization analyses of the odds of ADHD conferred by the liability for one standard deviation increase in attained educational level, household income, Townsend deprivation index, or intelligence. Ordinary IVW estimates are provided for the total effect of the exposure, and MVWR IVW estimates for the direct effect of the exposure. Estimates for SES markers are adjusted for intelligence; that for intelligence is adjusted for education