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BMC Public Health
Published in: BMC Public Health 1/2014

Open Access 01-12-2014 | Research article

Identifying persons at risk for developing type 2 diabetes in a concentrated population of high risk ethnicities in Canada using a risk assessment questionnaire and point-of-care capillary blood HbA1cmeasurement

Authors: Chip P Rowan, Lisa A Miadovnik, Michael C Riddell, Michael A Rotondi, Norman Gledhill, Veronica K Jamnik

Published in: BMC Public Health | Issue 1/2014

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Abstract

Background

Amidst the growing health care burden created by diabetes, this study aimed to assess the utility of a prediabetes/type 2 diabetes risk questionnaire in high risk ethnic communities in Toronto Canada.

Methods

Participants (n = 691) provided questionnaire responses and capillary blood tests collected via fingerstick and results were analysed for HbA1c using the Bio-Rad in2it point-of-care device. The Bland-Altman method was used to compare point-of-care HbA1c analysis (Bio-Rad, boronate affinity chromatography) to that using high performance liquid chromatography. ANOVA and linear regression were performed to investigate the relationship between questionnaire and blood data.

Results

Mean (±SD) HbA1c was 5.99% ± 0.84 and the Bland-Altman analysis revealed no significant biases HbA1c (bias = 0.039, 95% limits of agreement = -1.14 to 1.22). ANOVA showed that with increasing risk classification based on questionnaire answers (with the exception of "moderate"-to-"high"), there was a significant increase in mean HbA1c (Welch Statistic 30.449, p < 0.001). Linear regression revealed that the number of high risk parents, age category, BMI, physical activity participation and previous diagnosis of high blood sugar were significant contributors (p < 0.05) to the variance in HbA1c.

Conclusions

Though not a substitute for established diagnostic protocols, the use of a risk questionnaire can be an accurate, low cost, educational and time efficient method for assessment of type 2 diabetes risk. The early detection of prediabetes and type 2 diabetes is vital to increased awareness and opportunity for intervention with the goal of preventing or delaying the progression of type 2 diabetes and the known associated complications.
Appendix
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Metadata
Title
Identifying persons at risk for developing type 2 diabetes in a concentrated population of high risk ethnicities in Canada using a risk assessment questionnaire and point-of-care capillary blood HbA1cmeasurement
Authors
Chip P Rowan
Lisa A Miadovnik
Michael C Riddell
Michael A Rotondi
Norman Gledhill
Veronica K Jamnik
Publication date
01-12-2014
Publisher
BioMed Central
Published in
BMC Public Health / Issue 1/2014
Electronic ISSN: 1471-2458
DOI
https://doi.org/10.1186/1471-2458-14-929

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