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. 2018 Dec 13;18:311. doi: 10.1186/s12877-018-1004-z

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© The Author(s). 2018

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. 1 — Caption: Trends in hip fracture incidence across age and gender in treatment and matched control municipalities. Notes: Estimated effects of the intervention on the number hip-fractures per 100.000 person-years in Norwegian municipalities in six different subgroups. The solid line is the treatment group, and the dashed line is the control group. The shaded area shows a 95% confidence interval assuming a Poisson distribution