Chen, Wen-Hao http://orcid.org/0000-0003-2509-5504
Hou, Feng
Article History
Received: 22 November 2017
Accepted: 23 April 2018
First Online: 1 May 2018
Compliance with Ethical Standards
: My coauthor and I have approved the manuscript for submission.
: My coauthor and I declare that we have no conflict of interest.
: The Canadian CCHS Survey data used in this paper are available for researchers through the Research Data Centres (RDC) Program or The Real Time Remote Access (RTRA) system. Details of how to obtain the data can be found atExternalRef removed