An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Marshall A, Nazroo J, Tampubolon G, Vanhoutte B.Marshall A, et al.J Epidemiol Community Health. 2015 Apr;69(4):316-21. doi: 10.1136/jech-2014-204655. Epub 2015 Feb 2.J Epidemiol Community Health. 2015.PMID: 25646207Free PMC article.
Marshall A, Nazroo J, Feeney K, Lee J, Vanhoutte B, Pendleton N.Marshall A, et al.J Epidemiol Community Health. 2016 Mar;70(3):264-70. doi: 10.1136/jech-2014-205336. Epub 2015 Nov 23.J Epidemiol Community Health. 2016.PMID: 26598759Free PMC article.