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.
Byford M, Abbott RA, Maughan B, Kuh D, Richards M.Byford M, et al. Among authors: kuh d.J Epidemiol Community Health. 2014 May;68(5):396-402. doi: 10.1136/jech-2013-202997. Epub 2013 Dec 19.J Epidemiol Community Health. 2014.PMID: 24357583Free PMC article.
Kuh D, Wong A, Shah I, Moore A, Popham M, Curran P, Davis D, Sharma N, Richards M, Stafford M, Hardy R, Cooper R.Kuh D, et al.Eur J Epidemiol. 2016 Nov;31(11):1135-1147. doi: 10.1007/s10654-016-0217-8. Epub 2016 Dec 19.Eur J Epidemiol. 2016.PMID: 27995394Free PMC article.
Maughan B, Stafford M, Shah I, Kuh D.Maughan B, et al. Among authors: kuh d.Psychol Med. 2014 Apr;44(5):1077-86. doi: 10.1017/S0033291713001402. Epub 2013 Aug 21.Psychol Med. 2014.PMID: 23962416Free PMC article.