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. 2017 Apr 24;17:353. doi: 10.1186/s12889-017-4215-x

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© The Author(s). 2017

Open AccessThis 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. 4 — Age trends in mean Sedentary behaviour among girls in the CHNS by baseline age groups (MET-hrs/wk). Notes: Points represent Sedentary behaviour level of female children at the mean age for the age group in each survey year (2004, 2006, 2009, 2011). The vertical dotted line illustrates the difference in estimated PA level for a 13-year old girl in 2004 vs 13-year old girl in 2006 vs a 13-year old girl in 2009 (cohort effect)