MRC Epidemiology Unit

 

Prospective associations between changes in physical activity and sedentary time and subsequent lean muscle mass in older English adults: the EPIC-Norfolk cohort study.

Yerrakalva D, Hajna S, Khaw KT, Griffin SJ, Brage S

The international journal of behavioral nutrition and physical activity. Jan 2024

(DOI : 10.1186/s12966-023-01547-6)

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Associations between change in physical activity and sedentary time and health-related quality of life in older english adults: the EPIC-Norfolk cohort study.

Yerrakalva D, Hajna S, Suhrcke M, Wijndaele K, Westgate K, Khaw KT, Wareham N, Brage S, Griffin S

Health and quality of life outcomes. Jun 2023

(DOI : 10.1186/s12955-023-02137-7)

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Bidirectional associations of accelerometer-assessed physical activity and sedentary time with physical function among older English adults: the EPIC-Norfolk cohort study.

Yerrakalva D, Hajna S, Wijndaele K, Dempsey PC, Westgate K, Wareham N, Griffin SJ, Brage S

European journal of ageing. Dec 2022

(DOI : 10.1007/s10433-022-00733-y)

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Correlates of change in accelerometer-assessed total sedentary time and prolonged sedentary bouts among older English adults: results from five-year follow-up in the EPIC-Norfolk cohort.

Yerrakalva D, Hajna S, Wijndaele K, Westgate K, Khaw KT, Wareham N, Griffin SJ, Brage S

Aging. Sep 2020

(DOI : 10.18632/aging.202497)

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Cross-sectional and prospective associations between active living environments and accelerometer-assessed physical activity in the EPIC-Norfolk cohort.

Hajna S, Brage S, Dalton A, Griffin SJ, Jones AP, Khaw KT, Luben R, Wareham NJ, Panter J

Health & place. Jun 2020

(DOI : 10.1016/j.healthplace.2020.102490)

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Effectiveness of Minimal Contact Interventions: An RCT.

Hajna S, Sharp SJ, Cooper AJM, Williams KM, van Sluijs EMF, Brage S, Griffin SJ, Sutton S

American Journal of Preventive Medicine. Dec 2019

(DOI : 10.1016/j.amepre.2020.10.010)

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Do older English adults exhibit day-to-day compensation in sedentary time and in prolonged sedentary bouts? An EPIC-Norfolk cohort analysis.

Yerrakalva D, Wijndaele K, Hajna S, Westgate K, Khaw KT, Wareham N, Griffin SJ, Brage S

PLoS ONE. May 2019

(DOI : 10.1371/journal.pone.0224225)

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Effects of Mobile Health App Interventions on Sedentary Time, Physical Activity, and Fitness in Older Adults: Systematic Review and Meta-Analysis.

Yerrakalva D, Hajna S, Griffin S

Journal of medical Internet research. Apr 2019

(DOI : 10.2196/14343)

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Driving status, travel modes and accelerometer-assessed physical activity in younger, middle-aged and older adults: a prospective study of 90 810 UK Biobank participants.

Hajna S, White T, Panter J, Brage S, Wijndaele K, Woodcock J, Ogilvie D, Imamura F, Griffin SJ

International Journal of Epidemiology. Mar 2019

(DOI : 10.1093/ije/dyz065)

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Laboratory-Assessed Markers of Cardiometabolic Health and Associations with GIS-Based Measures of Active-Living Environments.

Hajna S, Dasgupta K, Ross NA

International Journal of Environmental Research and Public Health. Jul 2018

(DOI : 10.3390/ijerph15102079)

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Descriptive epidemiology of changes in objectively measured sedentary behaviour and physical activity: six-year follow-up of the EPIC-Norfolk cohort.

Hajna S, White T, Brage S, van Sluijs EMF, Westgate K, Jones AP, Luben R, Khaw KT, Wareham NJ, Griffin SJ

The international journal of behavioral nutrition and physical activity. May 2018

(DOI : 10.1186/s12966-018-0746-5)

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Steps, moderate-to-vigorous physical activity, and cardiometabolic profiles.

Hajna S, Ross NA, Dasgupta K

Preventive medicine. Jul 2017

(DOI : 10.1016/j.ypmed.2017.11.007)

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Lexical neutrality in environmental health research: Reflections on the term walkability.

Hajna S, Ross NA, Griffin SJ, Dasgupta K

BMC Public Health. Jun 2017

(DOI : 10.1186/s12889-017-4943-y)

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