Lai, Sha
Shen, Chi
Xu, Yongjian
Yang, Xiaowei
Si, Yafei
Gao, Jianmin
Zhou, Zhongliang
Chen, Gang
Funding for this research was provided by:
Project of Shaanxi Social Science Foundation (2017S024)
Research Program of Shaanxi Soft Science (2015KRM117)
China Medical Board (15-227)
China Medical Board (16-262)
National Program for Support of Top-notch Young Professionals
Article History
Received: 11 April 2018
Accepted: 29 August 2018
First Online: 5 September 2018
Ethics approval and consent to participate
: National Bureau of Statistics of China proved the procedures for the fourth and fifth NHSS data collection (license number (2008)18 and 2013(65), respectively). Informed consent was obtained from household members before the interview. Approval for this study was obtained by the Ethics Committee of Health Science Center, Xi’an Jiaotong University (approval number 2015–644).
: Not applicable.
: The authors declare that they have no competing interests.
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