Community-based screening for cardiovascular disease and diabetes using HbA1c

Taneisha Grant, Yukmila Soriano, Paul R. Marantz, Ingrid Nelson, Eric Williams, Diana Ramirez, Jean R. Burg, Charles W. Nordin

Research output: Contribution to journalArticle

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Abstract

Background Persons from inner-city immigrant and mixed-ethnic communities are known to be at high risk for cardiovascular disease and diabetes. Such communities may also be underserved for preventive medical care. The authors hypothesized that hemoglobin A1c (HbA1c) could be used as a screening test for a community-based program to detect new cases of diabetes and persons at risk for diabetes and cardiovascular disease. Methods Screenings took place in churches, group homes, shelters, community centers, and street corners of the Bronx. Screening data included history of diabetes, age, ethnicity, body mass index, blood pressure, lipid panel, random glucose, and HbA1c. Data were analyzed for number of cases of new diabetes (HbA1c ≥7%), for patients at risk for diabetes (HbA1c 6%-6.99%), and for associations between HbA1c and other variables. The effect of location of screening and self-reported ethnicity on outcome variables was also analyzed. Results Seven hundred four persons were screened in 25 different sessions. HbA1c and lipid profile were obtained on 539 persons, which formed the cohort for analysis. Mean HbA1c for the cohort was 6.00%. Thirty-two percent of the cohort had HbA1c of more than 6%, and 11.4% had HbA1c of more than 7%. Excluding known diabetics (13% of cohort), 24% had HbA1c of more than 6%, and 3.4% had HbA1c of more than 7%. HbA1c was significantly correlated with total cholesterol, triglycerides, low-density lipoprotein, systolic blood pressure, body mass index, and age; in all cases, correlation coefficients were higher with HbA1c than with random glucose. In addition, significantly higher cardiovascular disease risk factors were found in persons with HbA1c of more than 6%; 6% may be a threshold value for the metabolic syndrome. Mean HbA1c was higher in persons from the South Bronx (which has a higher poverty rate) than the North Bronx (6.08% v 5.74%, p=0.013). There were no statistically significant differences between self-reported ethnic groupings. Conclusions There was a high prevalence of undiagnosed diabetes, and of patients at risk for diabetes, in this community setting. Community-based screening can be used as a method for identifying high percentages of patients at risk for diabetes or with undiagnosed diabetes in an inner city, immigrant, mixed-ethnic population.

Original languageEnglish (US)
Pages (from-to)271-275
Number of pages5
JournalAmerican Journal of Preventive Medicine
Volume26
Issue number4
DOIs
StatePublished - Apr 2004

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Hemoglobins
Cardiovascular Diseases
Blood Pressure
Body Mass Index
Group Homes
Lipids
Glucose
Preventive Medicine
Poverty
LDL Cholesterol
Cohort Studies

ASJC Scopus subject areas

  • Medicine(all)
  • Public Health, Environmental and Occupational Health

Cite this

Community-based screening for cardiovascular disease and diabetes using HbA1c. / Grant, Taneisha; Soriano, Yukmila; Marantz, Paul R.; Nelson, Ingrid; Williams, Eric; Ramirez, Diana; Burg, Jean R.; Nordin, Charles W.

In: American Journal of Preventive Medicine, Vol. 26, No. 4, 04.2004, p. 271-275.

Research output: Contribution to journalArticle

Grant, Taneisha ; Soriano, Yukmila ; Marantz, Paul R. ; Nelson, Ingrid ; Williams, Eric ; Ramirez, Diana ; Burg, Jean R. ; Nordin, Charles W. / Community-based screening for cardiovascular disease and diabetes using HbA1c. In: American Journal of Preventive Medicine. 2004 ; Vol. 26, No. 4. pp. 271-275.
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abstract = "Background Persons from inner-city immigrant and mixed-ethnic communities are known to be at high risk for cardiovascular disease and diabetes. Such communities may also be underserved for preventive medical care. The authors hypothesized that hemoglobin A1c (HbA1c) could be used as a screening test for a community-based program to detect new cases of diabetes and persons at risk for diabetes and cardiovascular disease. Methods Screenings took place in churches, group homes, shelters, community centers, and street corners of the Bronx. Screening data included history of diabetes, age, ethnicity, body mass index, blood pressure, lipid panel, random glucose, and HbA1c. Data were analyzed for number of cases of new diabetes (HbA1c ≥7{\%}), for patients at risk for diabetes (HbA1c 6{\%}-6.99{\%}), and for associations between HbA1c and other variables. The effect of location of screening and self-reported ethnicity on outcome variables was also analyzed. Results Seven hundred four persons were screened in 25 different sessions. HbA1c and lipid profile were obtained on 539 persons, which formed the cohort for analysis. Mean HbA1c for the cohort was 6.00{\%}. Thirty-two percent of the cohort had HbA1c of more than 6{\%}, and 11.4{\%} had HbA1c of more than 7{\%}. Excluding known diabetics (13{\%} of cohort), 24{\%} had HbA1c of more than 6{\%}, and 3.4{\%} had HbA1c of more than 7{\%}. HbA1c was significantly correlated with total cholesterol, triglycerides, low-density lipoprotein, systolic blood pressure, body mass index, and age; in all cases, correlation coefficients were higher with HbA1c than with random glucose. In addition, significantly higher cardiovascular disease risk factors were found in persons with HbA1c of more than 6{\%}; 6{\%} may be a threshold value for the metabolic syndrome. Mean HbA1c was higher in persons from the South Bronx (which has a higher poverty rate) than the North Bronx (6.08{\%} v 5.74{\%}, p=0.013). There were no statistically significant differences between self-reported ethnic groupings. Conclusions There was a high prevalence of undiagnosed diabetes, and of patients at risk for diabetes, in this community setting. Community-based screening can be used as a method for identifying high percentages of patients at risk for diabetes or with undiagnosed diabetes in an inner city, immigrant, mixed-ethnic population.",
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T1 - Community-based screening for cardiovascular disease and diabetes using HbA1c

AU - Grant, Taneisha

AU - Soriano, Yukmila

AU - Marantz, Paul R.

AU - Nelson, Ingrid

AU - Williams, Eric

AU - Ramirez, Diana

AU - Burg, Jean R.

AU - Nordin, Charles W.

PY - 2004/4

Y1 - 2004/4

N2 - Background Persons from inner-city immigrant and mixed-ethnic communities are known to be at high risk for cardiovascular disease and diabetes. Such communities may also be underserved for preventive medical care. The authors hypothesized that hemoglobin A1c (HbA1c) could be used as a screening test for a community-based program to detect new cases of diabetes and persons at risk for diabetes and cardiovascular disease. Methods Screenings took place in churches, group homes, shelters, community centers, and street corners of the Bronx. Screening data included history of diabetes, age, ethnicity, body mass index, blood pressure, lipid panel, random glucose, and HbA1c. Data were analyzed for number of cases of new diabetes (HbA1c ≥7%), for patients at risk for diabetes (HbA1c 6%-6.99%), and for associations between HbA1c and other variables. The effect of location of screening and self-reported ethnicity on outcome variables was also analyzed. Results Seven hundred four persons were screened in 25 different sessions. HbA1c and lipid profile were obtained on 539 persons, which formed the cohort for analysis. Mean HbA1c for the cohort was 6.00%. Thirty-two percent of the cohort had HbA1c of more than 6%, and 11.4% had HbA1c of more than 7%. Excluding known diabetics (13% of cohort), 24% had HbA1c of more than 6%, and 3.4% had HbA1c of more than 7%. HbA1c was significantly correlated with total cholesterol, triglycerides, low-density lipoprotein, systolic blood pressure, body mass index, and age; in all cases, correlation coefficients were higher with HbA1c than with random glucose. In addition, significantly higher cardiovascular disease risk factors were found in persons with HbA1c of more than 6%; 6% may be a threshold value for the metabolic syndrome. Mean HbA1c was higher in persons from the South Bronx (which has a higher poverty rate) than the North Bronx (6.08% v 5.74%, p=0.013). There were no statistically significant differences between self-reported ethnic groupings. Conclusions There was a high prevalence of undiagnosed diabetes, and of patients at risk for diabetes, in this community setting. Community-based screening can be used as a method for identifying high percentages of patients at risk for diabetes or with undiagnosed diabetes in an inner city, immigrant, mixed-ethnic population.

AB - Background Persons from inner-city immigrant and mixed-ethnic communities are known to be at high risk for cardiovascular disease and diabetes. Such communities may also be underserved for preventive medical care. The authors hypothesized that hemoglobin A1c (HbA1c) could be used as a screening test for a community-based program to detect new cases of diabetes and persons at risk for diabetes and cardiovascular disease. Methods Screenings took place in churches, group homes, shelters, community centers, and street corners of the Bronx. Screening data included history of diabetes, age, ethnicity, body mass index, blood pressure, lipid panel, random glucose, and HbA1c. Data were analyzed for number of cases of new diabetes (HbA1c ≥7%), for patients at risk for diabetes (HbA1c 6%-6.99%), and for associations between HbA1c and other variables. The effect of location of screening and self-reported ethnicity on outcome variables was also analyzed. Results Seven hundred four persons were screened in 25 different sessions. HbA1c and lipid profile were obtained on 539 persons, which formed the cohort for analysis. Mean HbA1c for the cohort was 6.00%. Thirty-two percent of the cohort had HbA1c of more than 6%, and 11.4% had HbA1c of more than 7%. Excluding known diabetics (13% of cohort), 24% had HbA1c of more than 6%, and 3.4% had HbA1c of more than 7%. HbA1c was significantly correlated with total cholesterol, triglycerides, low-density lipoprotein, systolic blood pressure, body mass index, and age; in all cases, correlation coefficients were higher with HbA1c than with random glucose. In addition, significantly higher cardiovascular disease risk factors were found in persons with HbA1c of more than 6%; 6% may be a threshold value for the metabolic syndrome. Mean HbA1c was higher in persons from the South Bronx (which has a higher poverty rate) than the North Bronx (6.08% v 5.74%, p=0.013). There were no statistically significant differences between self-reported ethnic groupings. Conclusions There was a high prevalence of undiagnosed diabetes, and of patients at risk for diabetes, in this community setting. Community-based screening can be used as a method for identifying high percentages of patients at risk for diabetes or with undiagnosed diabetes in an inner city, immigrant, mixed-ethnic population.

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