Funding for this research was provided by:
Centers for Disease Control and Prevention (U01DP006266, U01DP003206)
National Institute of Arthritis and Musculoskeletal and Skin Diseases (P60AR049465, P60AR064166)
CDC/Ass'n of Schools of Public Health (S043, S3486)
Received: 13 May 2019
Accepted: 9 January 2020
First Online: 20 January 2020
Ethics approval and consent to participate
: The Johnston County Osteoarthritis Project has been approved by the University of North Carolina (IRB 92-0583).
: Not applicable.
: The authors declare that they have no competing interests.
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