Comparison of Diagnosed, Self-Reported, and Physically-Measured Hypertension in Canada

Atwood, Kristin; Robitaille, Cynthia; Reimer, Kim; Dai, Sulan; Johansen, Helen; Smith, Mark

doi:10.1016/j.cjca.2012.11.019

Cited by 21 publications

(23 citation statements)

References 13 publications

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“…The inconsistency between self-reported and measured hypertension is a problem that has been identified around the world [25][26][27][28][29][30]. We found that the batey population is no exception to this pattern.…”

Section: Discussionsupporting

confidence: 53%

The Prevalence of Hypertension and Associated Risk Factors in a Latino Subgroup: A Rural Batey Population in the Dominican Republic

Ho¹

2014

SJPH

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Abstract:Objective: To determine the prevalence of hypertension and identify variables associated with hypertension among residents of Batey 16. Methods: A cross-sectional study was conducted among adults residing in Batey 16 of La Romana, Dominican Republic. Residents were approached house to house and invited to participate in a blood pressure screening and a survey pertaining to risk factors for hypertension. Blood pressures and waist circumferences were measured. Comparisons between the hypertensive and non-hypertensive group's survey results, heights, and waist circumferences were made using chi square, Student's t-test or Mann-Whitney test, and univariate linear and logistic regression analysis. Results: Of the 187 participants, age 35±16 years (range 18-107 years), 34% were diagnosed with hypertension and 42% with were diagnosed with pre-hypertension. Age, sex, height, waist circumference, and use of medication were not significantly different between the hypertensive and the non-hypertensive participants. These variables in addition to elevated waist circumference were not associated with hypertension. Family history was an independent predictor of hypertension (OR= 2.7, p= 0.013; 95% CI, 1.2-5.8). Conclusions: The batey population has many unique characteristics that may contribute to its prevalence of hypertension and the patterns found in the associated risk factors. Further research needs to be conducted to broaden, explore, and clarify our findings.

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Section: Discussionsupporting

confidence: 53%

The Prevalence of Hypertension and Associated Risk Factors in a Latino Subgroup: A Rural Batey Population in the Dominican Republic

Ho¹

2014

SJPH

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“…However, a recent study demonstrated that in Canada, even if the prevalence of hypertension determined through the CHMS and the administrative data were similar, the one obtained with administrative data was 20.3% compared to 19.5% for the CHMS in 2007-2009. 5 Nevertheless, both studies found that autodeclared hypertension was the lowest. Our prevalence was lower than those found in other developed countries such as England (33%), Denmark (26%), China (36%) and United States (30%).…”

Section: Discussionmentioning

confidence: 97%

Prevalence, incidence, awareness and control of hypertension in the province of Quebec: Perspective from administrative and survey data

Blais

Rochette

Hamel

et al. 2014

Can J Public Health

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A mong modifiable risk factors associated with cardiovascular diseases, systemic hypertension is the leading one in terms of risk for mortality, responsible for 13% of deaths globally. 1 In 2009, the cost of antihypertensive treatment to the Quebec government alone was $589 million. 2 The importance of this risk factor for heart, renal and vascular diseases is well known, which is why population studies are essential to assess its prevalence over time. It was recently demonstrated using administrative databases all over Canada, that nearly 6 million Canadians aged ≥20 years were hypertensive in [2007][2008] The three sources of data have their strengths and limitations. Administrative databases contain data for all Quebecers and are continually updated, however they tend to concentrate on those who are diagnosed and actively consulting physicians, and they under-report hypertension in the presence of other diseases. Survey data estimate either self-reported diagnosed or measured hypertension, the latter being expensive and limited to a few representative people, especially with direct physical measures. The aim of this study was to compare the prevalence of hypertension using both sources of data, in the province of Quebec. We also concentrated our comparison on people at higher risk, i.e., the elderly population. The levels of hypertension awareness, treatment and control were also assessed with the CHMS since it combined information on direct measurements with self-reported diagnosis and treatment. METHODS Data sources Administrative DatabasesThe methodology used to conduct the surveillance of hypertension is based on the Canadian Chronic Disease Surveillance System, a collaborative network of provincial and territorial surveillance systems supported by the Public Health Agency of Canada. One of the objectives of this study was to determine whether the prevalence of hypertension in Quebec as assessed using administrative data is comparable to that specifically measured, especially for the elderly population.METHODS: Trends in prevalence, incidence and mortality were examined using the Quebec Integrated Chronic Disease Surveillance System built from grouping numerous administrative databases from 1996-1997 to 2009-2010 CONCLUSION:The prevalence of hypertension derived from administrative data is comparable to that obtained with a health measured survey. Elderly women (≥65 years) are a very high-risk subgroup. The levels of awareness, treatment and control of hypertension in Quebec are very high. KEY WORDS:Hypertension; public health surveillance; trends; administrative data; survey data La traduction du résumé se trouve à la fin de l'article.

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“…This result is corroborated by a study conducted in Canada, where prevalence of self-reported SAH was 18.2% and prevalence of measured SAH was 20.3%. 13 Research conducted in North Carolina (USA) with people aged over 18 years old also pointed to underestimated prevalence of selfreported SAH (16.1%) in relation to measured SAH (24.8%). 14 We found underestimated self-reported SAH with statistically significant differences among males, people with an occupation, those overweight according to BMI and those self-reporting diabetes.…”

Section: Discussionmentioning

confidence: 99%

Acurácia da hipertensão arterial sistêmica autorreferida em adultos de Rio Branco, Acre*

Melo

Amaral

et al. 2019

Epidemiologia e Serviços de Saúde

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Objective: to analyze the validity of self-reported systemic arterial hypertension (SAH) in the adult population of Rio Branco, Acre, Brazil. Methods: this was a study of diagnostic accuracy with 576 adults aged 18 to 59 years; accuracy, sensitivity, specificity and positive and negative predictive values were calculated in order to build the Receiver Operating Characteristic (ROC) curve. Results: the prevalence rates of measured SAH (gold standard) and self-reported SAH were 19.6% and 16.6%, respectively; self-reported SAH showed 53.7% sensitivity and 92.4% specificity; sensitivity ranged from 29.9% in individuals under 40 years of age, to levels above 70.0% among obese individuals and those who reported having dyslipidemia; specificity varied from 70.0% in those who self-reported diabetes mellitus, to 95.3% in underweight patients; the area under the ROC hypertension analysis curve was 0.77 (95%CI 0.72;0.81). Conclusion: self-reported SAH in adults 40 years old and over was found to be accurate for use in studies in Rio Branco.

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Comparison of Diagnosed, Self-Reported, and Physically-Measured Hypertension in Canada

Cited by 21 publications

References 13 publications

The Prevalence of Hypertension and Associated Risk Factors in a Latino Subgroup: A Rural Batey Population in the Dominican Republic

The Prevalence of Hypertension and Associated Risk Factors in a Latino Subgroup: A Rural Batey Population in the Dominican Republic

Prevalence, incidence, awareness and control of hypertension in the province of Quebec: Perspective from administrative and survey data

Acurácia da hipertensão arterial sistêmica autorreferida em adultos de Rio Branco, Acre*

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