Resting heart rate, physiological stress and disadvantage in Aboriginal and Torres Strait Islander Australians

analysis from a cross-sectional study

Xiaohua Zhang, Jaquelyne Hughes, Alex Brown, Paul Lawton, Alan Cass, Wendy Hoy, Kerin O'Dea, Louise Maple-Brown

    Research output: Contribution to journalArticleResearchpeer-review

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    Abstract

    Background: Lower socioeconomic status has been linked to long-term stress, which can manifest in individuals as physiological stress. The aim was to explore the relationship between low socioeconomic status and physiological stress in Aboriginal and Torres Strait Islander Australians. 

    Methods: Using data from the eGFR Study (a cross-sectional study of 634 Indigenous Australians in urban and remote areas of northern and central Australia), we examined associations between resting heart rate and demographic, socioeconomic, and biomedical factors. An elevated resting heart rate has been proposed as a measure of sustained stress activation and was used as a marker of physiological stress. Relationships were assessed between heart rate and the above variables using univariate and multiple regression analyses. 

    Results: We reported a mean resting heart rate of 74 beats/min in the cohort (mean age 45 years). On multiple regression analysis, higher heart rate was found to be independently associated with Aboriginal ethnicity, being a current smoker, having only primary level schooling, higher HbA1c and higher diastolic blood pressure (model R2 0.25). 

    Conclusions: Elevated resting heart rate was associated with lower socioeconomic status and poorer health profile in Aboriginal and Torres Strait Islander Australians. Higher resting heart rate may be an indicator of stress and disadvantage in this population at high risk of chronic diseases. 

    Original languageEnglish
    Pages (from-to)1-8
    Number of pages8
    JournalBMC Cardiovascular Disorders
    Volume16
    Issue number36
    DOIs
    Publication statusPublished - 11 Feb 2016

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    Physiological Stress
    Cross-Sectional Studies
    Heart Rate
    Social Class
    Regression Analysis
    Chronic Disease
    Demography
    Blood Pressure
    Hypertension
    Health

    Cite this

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    title = "Resting heart rate, physiological stress and disadvantage in Aboriginal and Torres Strait Islander Australians: analysis from a cross-sectional study",
    abstract = "Background: Lower socioeconomic status has been linked to long-term stress, which can manifest in individuals as physiological stress. The aim was to explore the relationship between low socioeconomic status and physiological stress in Aboriginal and Torres Strait Islander Australians. Methods: Using data from the eGFR Study (a cross-sectional study of 634 Indigenous Australians in urban and remote areas of northern and central Australia), we examined associations between resting heart rate and demographic, socioeconomic, and biomedical factors. An elevated resting heart rate has been proposed as a measure of sustained stress activation and was used as a marker of physiological stress. Relationships were assessed between heart rate and the above variables using univariate and multiple regression analyses. Results: We reported a mean resting heart rate of 74 beats/min in the cohort (mean age 45 years). On multiple regression analysis, higher heart rate was found to be independently associated with Aboriginal ethnicity, being a current smoker, having only primary level schooling, higher HbA1c and higher diastolic blood pressure (model R2 0.25). Conclusions: Elevated resting heart rate was associated with lower socioeconomic status and poorer health profile in Aboriginal and Torres Strait Islander Australians. Higher resting heart rate may be an indicator of stress and disadvantage in this population at high risk of chronic diseases. ",
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    author = "Xiaohua Zhang and Jaquelyne Hughes and Alex Brown and Paul Lawton and Alan Cass and Wendy Hoy and Kerin O'Dea and Louise Maple-Brown",
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    Resting heart rate, physiological stress and disadvantage in Aboriginal and Torres Strait Islander Australians : analysis from a cross-sectional study. / Zhang, Xiaohua; Hughes, Jaquelyne; Brown, Alex; Lawton, Paul; Cass, Alan; Hoy, Wendy; O'Dea, Kerin; Maple-Brown, Louise.

    In: BMC Cardiovascular Disorders, Vol. 16, No. 36, 11.02.2016, p. 1-8.

    Research output: Contribution to journalArticleResearchpeer-review

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    T2 - analysis from a cross-sectional study

    AU - Zhang, Xiaohua

    AU - Hughes, Jaquelyne

    AU - Brown, Alex

    AU - Lawton, Paul

    AU - Cass, Alan

    AU - Hoy, Wendy

    AU - O'Dea, Kerin

    AU - Maple-Brown, Louise

    PY - 2016/2/11

    Y1 - 2016/2/11

    N2 - Background: Lower socioeconomic status has been linked to long-term stress, which can manifest in individuals as physiological stress. The aim was to explore the relationship between low socioeconomic status and physiological stress in Aboriginal and Torres Strait Islander Australians. Methods: Using data from the eGFR Study (a cross-sectional study of 634 Indigenous Australians in urban and remote areas of northern and central Australia), we examined associations between resting heart rate and demographic, socioeconomic, and biomedical factors. An elevated resting heart rate has been proposed as a measure of sustained stress activation and was used as a marker of physiological stress. Relationships were assessed between heart rate and the above variables using univariate and multiple regression analyses. Results: We reported a mean resting heart rate of 74 beats/min in the cohort (mean age 45 years). On multiple regression analysis, higher heart rate was found to be independently associated with Aboriginal ethnicity, being a current smoker, having only primary level schooling, higher HbA1c and higher diastolic blood pressure (model R2 0.25). Conclusions: Elevated resting heart rate was associated with lower socioeconomic status and poorer health profile in Aboriginal and Torres Strait Islander Australians. Higher resting heart rate may be an indicator of stress and disadvantage in this population at high risk of chronic diseases. 

    AB - Background: Lower socioeconomic status has been linked to long-term stress, which can manifest in individuals as physiological stress. The aim was to explore the relationship between low socioeconomic status and physiological stress in Aboriginal and Torres Strait Islander Australians. Methods: Using data from the eGFR Study (a cross-sectional study of 634 Indigenous Australians in urban and remote areas of northern and central Australia), we examined associations between resting heart rate and demographic, socioeconomic, and biomedical factors. An elevated resting heart rate has been proposed as a measure of sustained stress activation and was used as a marker of physiological stress. Relationships were assessed between heart rate and the above variables using univariate and multiple regression analyses. Results: We reported a mean resting heart rate of 74 beats/min in the cohort (mean age 45 years). On multiple regression analysis, higher heart rate was found to be independently associated with Aboriginal ethnicity, being a current smoker, having only primary level schooling, higher HbA1c and higher diastolic blood pressure (model R2 0.25). Conclusions: Elevated resting heart rate was associated with lower socioeconomic status and poorer health profile in Aboriginal and Torres Strait Islander Australians. Higher resting heart rate may be an indicator of stress and disadvantage in this population at high risk of chronic diseases. 

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