Do self-reported data accurately measure health inequalities in risk factors for cardiovascular disease?

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Abstract

Objectives: This study aimed to compare the magnitude of educational inequalities in self-reported and examination-based hypertension and hypercholesterolemia and to assess the impact of self-reported measurement error on health inequality indicators. Methods: We used the Portuguese National Health Examination Survey data (n = 4911). The slope index of inequality (SII) and the relative index of inequality (RII) were used to determine the magnitude of absolute and relative education-related inequalities. Results: Among the 25–49-year-old (yo) men, absolute and relative inequalities were smaller for self-reported than for examination-based hypertension (SII eb = 0.18 vs. SII sr = − 0.001, p < 0.001; RII eb = 1.99 vs. RII sr = 0.86, p = 0.031). For women, the relative inequalities were similar despite differences in self-reported and examination-based hypertension prevalence. For hypercholesterolemia, self-reported relative inequalities were larger than examination-based inequalities among the 50–74-yo men (RII sr = 2.28 vs. RII eb = 1.21, p = 0.004) and women (RII sr = 1.22 vs. RII eb = 0.87, p = 0.045), while no differences were observed among 25–49-yo. Conclusions: Self-reported data underestimated educational inequalities among 25–49-yo men and overestimated them in older individuals. Inequality indicators derived from self-report should be interpreted with caution, and examination-based values should be preferred, when available.

Original languageEnglish
Pages (from-to)721-729
JournalInternational Journal of Public Health
Volume64
Issue number5
DOIs
Publication statusPublished - 1 Jan 2019

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Cardiovascular Diseases
Health
Hypertension
Hypercholesterolemia
Health Surveys
Self Report

Keywords

  • Health examination survey
  • Health inequalities
  • Hypercholesterolemia
  • Hypertension
  • Self-report

Cite this

@article{fdf1eddc7eae4545986b32a48deb08ac,
title = "Do self-reported data accurately measure health inequalities in risk factors for cardiovascular disease?",
abstract = "Objectives: This study aimed to compare the magnitude of educational inequalities in self-reported and examination-based hypertension and hypercholesterolemia and to assess the impact of self-reported measurement error on health inequality indicators. Methods: We used the Portuguese National Health Examination Survey data (n = 4911). The slope index of inequality (SII) and the relative index of inequality (RII) were used to determine the magnitude of absolute and relative education-related inequalities. Results: Among the 25–49-year-old (yo) men, absolute and relative inequalities were smaller for self-reported than for examination-based hypertension (SII eb = 0.18 vs. SII sr = − 0.001, p < 0.001; RII eb = 1.99 vs. RII sr = 0.86, p = 0.031). For women, the relative inequalities were similar despite differences in self-reported and examination-based hypertension prevalence. For hypercholesterolemia, self-reported relative inequalities were larger than examination-based inequalities among the 50–74-yo men (RII sr = 2.28 vs. RII eb = 1.21, p = 0.004) and women (RII sr = 1.22 vs. RII eb = 0.87, p = 0.045), while no differences were observed among 25–49-yo. Conclusions: Self-reported data underestimated educational inequalities among 25–49-yo men and overestimated them in older individuals. Inequality indicators derived from self-report should be interpreted with caution, and examination-based values should be preferred, when available.",
keywords = "Health examination survey, Health inequalities, Hypercholesterolemia, Hypertension, Self-report",
author = "Irina Kislaya and Julian Perelman and Hanna Tolonen and Baltazar Nunes",
year = "2019",
month = "1",
day = "1",
doi = "10.1007/s00038-019-01232-1",
language = "English",
volume = "64",
pages = "721--729",
journal = "International Journal of Public Health",
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number = "5",

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T1 - Do self-reported data accurately measure health inequalities in risk factors for cardiovascular disease?

AU - Kislaya, Irina

AU - Perelman, Julian

AU - Tolonen, Hanna

AU - Nunes, Baltazar

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Objectives: This study aimed to compare the magnitude of educational inequalities in self-reported and examination-based hypertension and hypercholesterolemia and to assess the impact of self-reported measurement error on health inequality indicators. Methods: We used the Portuguese National Health Examination Survey data (n = 4911). The slope index of inequality (SII) and the relative index of inequality (RII) were used to determine the magnitude of absolute and relative education-related inequalities. Results: Among the 25–49-year-old (yo) men, absolute and relative inequalities were smaller for self-reported than for examination-based hypertension (SII eb = 0.18 vs. SII sr = − 0.001, p < 0.001; RII eb = 1.99 vs. RII sr = 0.86, p = 0.031). For women, the relative inequalities were similar despite differences in self-reported and examination-based hypertension prevalence. For hypercholesterolemia, self-reported relative inequalities were larger than examination-based inequalities among the 50–74-yo men (RII sr = 2.28 vs. RII eb = 1.21, p = 0.004) and women (RII sr = 1.22 vs. RII eb = 0.87, p = 0.045), while no differences were observed among 25–49-yo. Conclusions: Self-reported data underestimated educational inequalities among 25–49-yo men and overestimated them in older individuals. Inequality indicators derived from self-report should be interpreted with caution, and examination-based values should be preferred, when available.

AB - Objectives: This study aimed to compare the magnitude of educational inequalities in self-reported and examination-based hypertension and hypercholesterolemia and to assess the impact of self-reported measurement error on health inequality indicators. Methods: We used the Portuguese National Health Examination Survey data (n = 4911). The slope index of inequality (SII) and the relative index of inequality (RII) were used to determine the magnitude of absolute and relative education-related inequalities. Results: Among the 25–49-year-old (yo) men, absolute and relative inequalities were smaller for self-reported than for examination-based hypertension (SII eb = 0.18 vs. SII sr = − 0.001, p < 0.001; RII eb = 1.99 vs. RII sr = 0.86, p = 0.031). For women, the relative inequalities were similar despite differences in self-reported and examination-based hypertension prevalence. For hypercholesterolemia, self-reported relative inequalities were larger than examination-based inequalities among the 50–74-yo men (RII sr = 2.28 vs. RII eb = 1.21, p = 0.004) and women (RII sr = 1.22 vs. RII eb = 0.87, p = 0.045), while no differences were observed among 25–49-yo. Conclusions: Self-reported data underestimated educational inequalities among 25–49-yo men and overestimated them in older individuals. Inequality indicators derived from self-report should be interpreted with caution, and examination-based values should be preferred, when available.

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KW - Health inequalities

KW - Hypercholesterolemia

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JF - International Journal of Public Health

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