639 3 3227 document 639 follow_up_questionnaire_2007.pdf application/pdf 75add673e2ecae77f6f9c470d30fa534a1a4f0e79ab36e8cce3a242ab08eb35c SHA256 135423 2016-01-18 16:52:59 https://datacompass.lshtm.ac.uk/id/eprint/139/5/follow_up_questionnaire_2007.pdf 139 5 5 application/pdf Text en public other_licence

follow_up_questionnaire_2007.pdf

study_instrument indefinite A third self-administered postal questionnaire which was distributed in 2007. This covered health and lifestyle, enabling comparison to the project's 2003 survey