. 2018 Aug 22;6(3):102. doi: 10.3390/healthcare6030102
© 2018 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Figure 1.
Path model with unstandardized direct effects.