Participant reports
Cohort 1
- Summary report on 2020 survey
- Summary report on 2019 interviews
- Summary report on 2017 survey
- Summary report on 2014 survey
- Summary report on 2011 survey
- Summary report on 2009 survey
Cohort 2
- Summary report on 2022 survey
- Summary report on 2021 survey
- Summary report on 2020 survey
- Summary report on 2019 survey
- Summary report on 2018 survey
- Summary report on 2017 survey
- Summary report on 2016 survey
- Summary report on 2014 survey
- Summary report on 2013 survey
- Summary report on 2012 survey
- Summary report on 2011 survey
- Summary report on 2010 survey
- Summary report on 2009 survey
- Summary report on 2008 survey
- Summary report on 2007 survey
- Summary report on 2006 survey