Volunteer Participation in the Health eHeart Study: A Comparison with the US Population

Scientific Reports
Xiaofan GuoMark J Pletcher

Abstract

Direct volunteer "eCohort" recruitment can be an efficient way of recruiting large numbers of participants, but there is potential for volunteer bias. We compared self-selected participants in the Health eHeart Study to participants in the National Health And Nutrition Examination Survey (NHANES) 2013-14, a cross-sectional survey of the US population. Compared with the US population (represented by 5,769 NHANES participants), the 12,280 Health eHeart participants with complete survey data were more likely to be female (adjusted odds ratio (ORadj) = 3.1; 95% confidence interval (CI) 2.9-3.5); less likely to be Black, Hispanic, or Asian versus White/non-Hispanic (ORadj's = 0.4-0.6, p < 0.01); more likely to be college-educated (ORadj = 15.8 (13-19) versus ≤high school); more likely to have cardiovascular diseases and risk factors (ORadj's = 1.1-2.8, p < 0.05) except diabetes (ORadj = 0.8 (0.7-0.9); more likely to be in excellent general health (ORadj = 0.6 (0.5-0.8) for "Good" versus "Excellent"); and less likely to be current smokers (ORadj = 0.3 (0.3-0.4)). While most self-selection patterns held for Health eHeart users of Bluetooth blood pressure cuff technology, there were some striking differences; for example, the gender ra...Continue Reading

References

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Citations

Aug 1, 2018·Current Opinion in Endocrinology, Diabetes, and Obesity·Kaitlyn M Riffenburg, Nicole L Spartano
Mar 2, 2019·Journal of Medical Internet Research·David D McManusJoanne M Murabito
May 3, 2019·PloS One·Mitchell R LunnJuno Obedin-Maliver
Jul 16, 2019·NPJ Digital Medicine·Robert AvramJeffrey Olgin
Jul 21, 2020·Circulation. Cardiovascular Quality and Outcomes·John J WarnerUNKNOWN American Heart Association Partnering with Regulators Learning Collaborative*
Jun 27, 2018·Environmental Health : a Global Access Science Source·Eileen McNeelyBrent Coull
Oct 22, 2019·Circulation·Guillaume Marquis-GravelEric D Peterson
Jun 11, 2019·Frontiers in Psychology·Sara GaleEileen McNeely
Nov 11, 2019·International Journal of Environmental Research and Public Health·Elizabeth P D KoselkaTeresa H Horton
Feb 19, 2020·Cancer Epidemiology, Biomarkers & Prevention : a Publication of the American Association for Cancer Research, Cosponsored by the American Society of Preventive Oncology·Carrie A MillerMaria D Thomson
Jan 21, 2021·Journal of Medical Internet Research·Chathurangi H PathiravasanJoanne M Murabito
Jul 27, 2021·JMIR Research Protocols·Alexis L BeattyGregory M Marcus
Aug 11, 2021·Autism Research : Official Journal of the International Society for Autism Research·Madeleine HarverySamuel R C Arnold

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Software Mentioned

Google Fit
io
Stata
Qardio
Withings
Alivecor
Fitbit
Ginger
Azumio
iHealth

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