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. 2017 Jul 31;17:170. doi: 10.1186/s12877-017-0554-9

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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 — Comparisons in change patterns in exercise social support between the couple and non-couple groups during the exercise intervention and follow-up period. Note: Data are shown as estimated means and standard errors. ^†: P values were calculated using an analysis of covariance adjusted for age, sex, and exercise social support from family at baseline. ^‡: P values were calculated using an analysis of covariance adjusted for age, sex, and exercise social support from friends at baseline. *: P values were calculated using an analysis of covariance adjusted for age and sex