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. 2017 Apr 17;17:280. doi: 10.1186/s12913-017-2231-2

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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. 1 — Outcome model of the TALKING TIME study Legend. Outcome model of the Talking Time study based on the models of informal caregiver’s stress process by Peralin et al. 1990 and Gutzman et al. 2005. CERAD = Consortium to Establish a Registry for Alzheimer’s Disease; NPI-Q = Neuropsychiatric Inventory – Q; CRS = Caregiver Reaction Scale; PSSC = Perceived Social Support Caregiving Scale; SCS = Perceived Social Conflict Scale; HRQoL = Health related Quality of Life; SF-12 = General Health Survey Questionnaire Short Form 12