BRHS Timeline

- Data Collection Forms
Phase Dates Type Participation Response rate (alive) Response rate (eligible*) 1 1978-1980 7735 -reference-
-reference- 2 1985 7275 3 1992 5925 4 1996 5263 5 1998-2000 20 Year Follow-up Survey Questionnaire (Blue)
4252
6 2003 3981 7 2005 3540 8 2007 3014 9 2010-2012
30 Year Follow-up Survey Questionnaire
30 Year Follow-up Survey Datasheet
30 Year Follow-up Survey Cognitive Questionnaire
2147
1722
10 2014 Questionnaire Q2014 1655 11 2015 Questionnaire Q2015 1530 12 2016 1348 13 2017 1247 14 2018 40 Year Follow-up Survey Questionnaire
40 Year Follow-up Survey Datasheet
40 Year Follow-up Survey Cognitive Questionnaire
1009
667
15 Questionnaire Q2020 - GP Record Review and event Validation Forms
GP Record Review GP Record Review Form - Sample
Event Validation Forms: - Survey questions, examination and biomarkers measures since baseline
BRHS Survey Questions - Baseline to 2018
- BRHS Activity Survey
BRHS Activity Survey with Actigraph GT3X Monitor 1 week usage
Phase Year Survey Forms 1 2010 Activity Survey 1
A1 Questionnaire A1 Survey Diary 2 2011 Activity Survey 2
A2 Questionnaire A2 Survey Diary 3 2012 Activity Survey 3
A3 Questionnaire A3 Monitor Log 4 2013 Activity Survey 4
A4 Questionnaire A4 Monitor Log 5 2015 Activity Survey 5
A5 Questionnaire A5 Monitor Log 6 2017 Activity Survey 6
A6 Questionnaire A6 Monitor Log