Funding for this research was provided by:
Economic and Social Research Council (ES/M008584/1, ES/M001660/1)
Academy of Medical Sciences/Wellcome Trust “Springboard Health of the public in 2040” Award (HOP001\1025)
Text and Data Mining valid from 2018-07-28
Received: 29 January 2018
Accepted: 17 July 2018
First Online: 28 July 2018
Ethics approval and consent to participate
: The CDC National Center for Health Statistics Research Ethics Review Board approved the NHANES study protocol, and all survey participants provided written, informed consent before completing any questionnaires.
: Not applicable.
: The authors declare that they have no competing interests.
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