Study documents

Researchers and collaborators can find all the study documentation, data dictionaries, and protocols on this webpage.

OVERVIEW OF DATA COLLECTED IN THE BRHS COHORT
BRHS Survey questions - Baseline 1978 to 2023
BRHS Physical Survey Measurements Baseline (1978-80) to 2018
BRHS Biomarkers Baseline (1978-80) to 2018
BRHS Major morbidity outcomes Baseline (1978-80) to 2020

 

QUESTIONNAIRES
Postal Questionnaire
Questionnaire data notes and coding protocol
Data dictionaries
BRHS Baseline 1978-80 questionnaire Q1
BRHS Baseline 1978-80 (Q1) Questionnaire Data notes and Coding protocol
BRHS Baseline 1978-80 (Q1) Questionnaire Data dictionary
BRHS 1983-85 questionnaire (Q5)
BRHS 1983-85 (Q5) Questionnaire Data notes and Coding protocol
BRHS1983-85 (Q5) Derived variables Documentation
BRHS1983-85 (Q5) Questionnaire Data dictionary
BRHS1983-85 (Q5) Derived variables Data dictionary
BRHS 1992 questionnaire Q1992
BRHS 1992 (Q92) Questionnaire Data notes and Coding protocol
BRHS1992(Q92) Derived variables Documentation
BRHS 1992 (Q92) Questionnaire Data Dictionary
BRHS1992 (Q92) Derived variables Data dictionary
BRHS 1996 questionnaire Q1996
BRHS 1996 (Q96) Questionnaire Data notes and Coding protocol
BRHS1996(Q96) Derived variables Documentation
BRHS 1996 (Q96) Questionnaire Data Dictionary
BRHS1996 (Q96) Derived variables Data dictionary
 
BRHS 1998-2000 20 year follow-up survey Main Qr Q20
BRHS 1998-2000 (Q20) 20yr follow-up Main Qr Data notes and Coding protocol
BRHS 1998-2000 (Q20) 20yr follow-up survey Main Qr Data Dictionary
BRHS 1998-2000 20 year follow-up survey Physical activity and Diet Qr Q20
BRHS 1998-2000 (Q20) 20yr follow-up survey Physical Activity and Diet Qr Data notes and coding protocol V2
BRHS 1998-2000 (Q20) 20yr follow-up survey Physical Activity and Diet Qr Data dictionary
BRHS 2003 questionnaire Q2003 V1
BRHS 2003 (Q03) Questionnaire Data notes and Coding protocol V2
BRHS2003(Q03) Derived variables Documentation V1
BRHS 2003 (Q03) Qr Data Dictionary V2
BRHS2003(Q03) Derived variables Data dictionary V1
BRHS 2005 questionnaire Q2005 V1
BRHS 2005 (Q05) Questionnaire Data notes and Coding Protocol V2
BRHS2005(Q05) Derived variables Documentation V1
BRHS 2005 (Q05) Qr Data Dictionary V2
BRHS2005(Q05) Derived variables Data dictionary V1
BRHS 2007 questionnaire Q2007 V1
BRHS 2007 (Q07) Questionnaire Data notes and Coding protocol V2
BRHS2007(Q07) Derived variables Documentation V1
BRHS 2007 (Q07) Qr Data Dictionary V2
BRHS2007(Q07) Derived variables Data dictionary V1
BRHS 2010-12 30 year follow-up survey Qr Q30 V1
BRHS 2010-12 (Q30) 30yr follow-up Questionnaire Data notes and Coding protocol V1
BRHS 2010-12 (Q30) Qr Data Dictionary V1
BRHS 2014 questionnaire Q2014 V1
BRHS 2014 (Q2014) Questionaire Data notes and Coding Protocol V1
BRHS2014(Q2014) Derived variables Documentation V2
BRHS 2014 (Q2014) Qr Data Dictionary V1
BRHS2014(Q14) Derived variables Data dictionary V2
BRHS 2015 questionnaire Q2015 V1
BRHS 2015 (Q2015) Questionnaire Data notes & Coding Protocol V1
BRHS2015(Q15) Derived variables Documentation V1
BRHS 2015 (Q2015) Qr Data Dictionary V1
BRHS2015(Q15) Derived variables Data dictionary V1
BRHS 2016 questionnaire Q2016 V1
BRHS 2016 (Q2016) Questionnaire Data notes & Coding Protocol V1
BRHS2016(Q2016) Derived variables Documentation V1
BRHS 2016 (Q2016) Qr Data dictionary V1
BRHS2016(Q2016) Derived variables Data dictionary V1
BRHS 2017 questionnaire Q2017 V1
BRHS 2017 (Q2017) Questionnaire Data notes & Coding Protocol V1
BRHS2017(Q2017) Derived variables Documentation V1
BRHS 2017 (Q2017) Qr Data Dictionary V1
BRHS2017(Q2017) Derived variables Data dictionary V1
BRHS 2018 questionnaire Q2018 (Q40) V1
BRHS 2018 (Q40) Questionnaire Data notes and Coding Protocol V1
BRHS 2018 (Q40) Qr Data Dictionary V2
BRHS 2020 questionnaire Q2020 V1
BRHS 2020 (Q2020) Questionnaire Data notes and Coding protocol V1
BRHS2020(Q2020) Derived variables Documentation V1
BRHS Q2020 Qr Data dictionary V1
BRHS2020(Q2020) Derived variables Data dictionary V1
BRHS 2023 questionnaire Q2023 V1
BRHS 2023 (Q2023) Questionnaire Data notes and Coding Protocol V1
BRHS2023(Q2023) Derived variables Documentation V1
BRHS 2023 (Q2023) Qr Data Dictionary V1
BRHS2023(Q2023) Derived variables Data dictionary V1
 
PHYSICAL EXAMINATIONS DATA COLLECTION FORMS
NUMBER OF STUDY PARTICIPANTS
BRHS Q1 Baseline 1978-80 datasheet
7735
BRHS Q20 1998-2000 datasheet
4252
BRHS Q30 2010-2012 datasheet
1722
BRHS Q40 2018 datasheet
667
 
PHYSICAL EXAMINATION PROTOCOLS
BRHS Baseline 1978-80 (Q1) Physical examination protocol
BRHS 1998-2000 (Q20) 20yr follow-up Physical examination protocol
BRHS 2010-12 (Q30) Physical examination protocol
BRHS 2018-19 (Q40) 40yr follow-up Physical examination protocol
 
DATA DOCUMENTATION AND DATA DICTIONARIES
Q1 BRHS BASELINE 1978-80 DATA DOCUMENTATION
Q1 BRHS BASELINE 1978-80 DATA DICTIONARIES
BRHS Baseline 1978-80 (Q1) Physical exam measurements Documentation V1
BRHS Baseline 1978-80 (Q1) Physical exam measurements Data Dictionary V1
BRHS Baseline 1978-80 (Q1) ECG Documentation V2
BRHS Baseline 1978-80 (Q1) ECG Data Dictionary V2
BRHS Baseline 1978-80 (Q1) Blood biomarkers Documentation V2
BRHS Baseline 1978-80 (Q1) Blood biomarkers Data dictionary V2
BRHS Baseline 1978-80 (Q1) Derived variables Documentation V2
BRHS Baseline (Q1) Derived variables Data dictionary
BRHS Baseline 1978-80 (Q1) Participant profile data Documentation
BRHS Baseline 1978-80 (Q1) Participant profile Data dictionary
BRHS Baseline 1978-80 (Q1) Bortner questionnaire Documentation_V2
BRHS Baseline 1978-80 (Q1) Bortner questionnaire Data dictionary V2
BRHS Baseline 1978-80 (Q1) Migration data Documentation_V1
BRHS Baseline 1978-80 (Q1) Migration Data dictionary V1
 
DATA DOCUMENTATION AND DATA DICTIONARIES
Q20 BRHS DATA DOCUMENTATION FILES
Q20 BRHS DATA DICTIONARIES
BRHS 1998-2000 (Q20) 20 yr Physical exam measurements Documentation
BRHS 1998-2000 (Q20) 20 yr Physical exam measurements Data dictionary
BRHS 1998-2000 (Q20) 20 year follow-up ECG Documentation
BRHS 1998-2000 (Q20) 20 year follow-up ECG Data dictionary
BRHS 1998-2000 (Q20) 20 year follow-up Blood biomarkers Documentation
BRHS 1998-2000 (Q20) 20 year follow-up Blood biomarkers Data dictionary
BRHS 1998-2000 (Q20) 20 year follow-up Derived & adjusted variables Doc V2
BRHS 1998-2000 (Q20) 20 year follow-up Derived Data dictionary
BRHS 1998-2000 (Q20) 20 yr follow-up Participant profile data Documentation
BRHS 1998-2000 (Q20) 20 yr follow-up Participant profile Data dictionary
BRHS 1998-2000 (Q20) 20 year follow-up Climate data Documentation
BRHS 1998-2000 (Q20) 20 year follow-up Climate Data dictionary
BRHS 1998-2000 (Q20) 20 year follow-up Air pollution UKDS data Documentation
BRHS 1998-2000 (Q20) 20 year follow-up Air pollution UKDS Data dictionary
BRHS 1998-2000 (Q20) 20 year follow-up Metabolite data Documentation
BRHS 1998-2000 (Q20) 20 year follow-up Metabolites Data dictionary
  
DATA DOCUMENTATION AND DATA DICTIONARIES
Q30 BRHS DATA DOCUMENTATION FILES
Q30 BRHS DATA DICTIONARIES
BRHS 2010-12 (Q30) Physical exam measurements Documentation
BRHS 2010-12 (Q30) Physical exam measurements Data Dictionary V2
BRHS 2010-12 (Q30) ECG Documentation V2
BRHS 2010-12 (Q30) ECG Data Dictionary V2
BRHS 2010-12 (Q30) 30yr follow-up Blood biomarkers Documentation V1
BRHS 2010-12 (Q30) 30yr follow-up Blood biomarkers Data dictionary V1
BRHS 2010-12 (Q30) 30yr follow-up Vascular Measures Documentation V1
BRHS 2010-12 (Q30) 30yr follow-up Vascular Measures Data Dictionary V1
BRHS 2010-12 (Q30) 30yr follow-up Dental Exam Documentation V1
BRHS 2010-12 (Q30) Dental Exam Data dictionary V1
BRHS 2010-12 (Q30) 30yr follow-up TYM Cognitive assessment Documentation V2
BRHS 2010-12 (Q30) 30yr follow-up TYM Cognitive assessment Data Dictionary V2
BRHS 2010-12 (Q30) 30yr follow-up Derived & adjusted variables Documentation V2
BRHS 2010-12 (Q30) 30yr follow-up Derived & adjusted variables Data Dictionary V2
BRHS 2010-12 (Q30) Participant profile data Documentation V1
BRHS 2010-12 (Q30) Participant profile Data Dictionary V1
BRHS 2010-12 (Q30) 30yr follow-up Air Pollution UKDS Documentation
BRHS 2010-12 (Q30) 30yr follow-up Air Pollution UKDS Data Dictionary
BRHS 2010-12 (Q30) 30yr follow-up Derived Accelerometer variables Documentation
BRHS 2010-12 (Q30) 30yr follow-up Derived Accelerometer variables Data Dictionary
 
DATA DOCUMENTATION AND DATA DICTIONARIES
Q40 BRHS DATA DOCUMENTATION FILE
Q40 DATA DICTIONARIES
BRHS 2018-19 (Q40) 40yr follow-up Physical exam measurements Documentation UKDS V3.pdf
BRHS 2018-19 (Q40) 40yr follow-up Physical exam measurements UKDS Data Dictionary V2
BRHS 2018-19 (Q40) 40 year follow-up Blood biomarkers Documentation V3
BRHS 2018-19 (Q40) 40yr follow-up Blood biomarkers Data dictionary V2
BRHS 2018-19 (Q40) 40yr follow-up TYM Cognitive assessment Documentation V1
BRHS 2018-19 (Q40) 40yr follow-up TYM Cognitive assessment Data Dictionary V1
BRHS 2018-19 (Q40) 40yr follow-up Derived variables Documentation V1
BRHS 2018-19 (Q40) 40yr follow-up Derived variables Data Dictionary V1
BRHS 2018-19 (Q40) 40yr follow-up Participant profile data Documentation V1
BRHS 2018-19 (Q40) 40yr follow-up Participant profile Data Dictionary V1
 
BRHS MORBIDITY FOLLOW-UP OF BRHS COHORT PARTICIPANTS THROUGH GENERAL PRACTICE (GP) RECORDS
BRHS Baseline (1978-80) to 2023 GP(Primary Care) Record review V1
BRHS Record Review Diagnoses details  list of searchable definition terms 
BRHS Record Review form -example
GP Record Review BRHS MI -Validation form
GP Record Review BRHS Stroke Supplementary Information
GP Record Review BRHS Heart Failure Supplementary Information
GP Record Review BRHS PE DVT Supplementary Information
BRHS ACTIVITY SURVEY
Accelerometer - Actigraph GT3X Monitor  -1 week usage
Year of activity survey
Activity survey questionnaire
Activity survey diary/ log
2010
BRHS Activity Survey A1
BRHS Activity Survey Diary
2011
BRHS Activity Survey A2 Post Examination
BRHS Activity Survey Diary
2012
BRHS Activity Survey A3
BRHS Activity Survey Monitor Log
2013
BRHS Activity Survey A4
BRHS Activity Survey Monitor Log
2015
BRHS Activity Survey A5
BRHS Activity Survey Monitor Log
2017
BRHS Activity Survey A6
BRHS Activity Survey Monitor Log