BRHS Data Collection

BRHS Timeline

Data Collection Forms

Phase	Dates	Type	Participation	Response rate (alive)	Response rate (eligible*)
1	1978-1980	Baseline Questionnaire Q1 Baseline Datasheet	7735	-reference-	-reference-
2	1985	Questionnaire 1983-85 Q5	7275
3	1992	Questiionnaire 1992	5925
4	1996	Questionnaire 1996	5263
5	1998-2000	20 Year Follow-up Survey Questionnaire (Blue) 20 Year Follow-up Survey Datasheet  20 Year Follow-up Survey Postal Questionnaire (Yellow)	4252
6	2003	Questionnaire Q2003	3981
7	2005	Questionnaire Q2005	3540
8	2007	Questionnaire Q2007	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	Questionnaire Q2016	1348
13	2017	Questionnaire Q2017	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:	Myocardial Infarction
	Stroke
	Heart Failure
	Deep Vein Thrombosis / Pulmonary Embolism

Survey questions, examination and biomarkers measures since baseline

BRHS Survey Questions - Baseline to 2018

BRHS Physical Survey Measurements Baseline to 2018

BRHS Biomarkers 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