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. 2019 Nov 4;16:100. doi: 10.1186/s12966-019-0864-8

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© The Author(s). 2019

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. 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.

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Fig. 2 — The serial mediation models. Each model with two mediators (M1 and M2) in each model; PA of the father and PA the child in model 1, and ST of the father and ST of the child in model 2. Path a1 represents the effect of BMI of the father on M1, path a2 represents the effect of BMI of the father on M2, path a3 represents the effect of M1 on M2. Path b1 and path b2 represent the effect of respectively M1 and M2 on BMI of the child. Path c represents the total effect of BMI of the father on BMI of the child, and path c’ is the direct effect of BMI of the father on BMI of the child