Prevalence of Angina Pectoris and Associated Factors in the Adult Population of Brazil: National Survey of Health, 2019

Malta, Deborah Carvalho; Pinheiro, Pedro Cisalpino; Vasconcelos, Nádia Machado de; Stopa, Sheila Rizzato; Vieira, Maria Lúcia França Pontes; Lotufo, Paulo Andrade

doi:10.1590/1980-549720210012.supl.2

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ORIGINAL ARTICLE • Rev. bras. Epidemiol. 24 (suppl 2) • 2021 • https://doi.org/10.1590/1980-549720210012.supl.2 copy

Prevalence of Angina Pectoris and Associated Factors in the Adult Population of Brazil: National Survey of Health, 2019

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT:

Objective:

to estimate the prevalence and factors associated with angina pectoris in the Brazilian adult population and per federated units.

Methods:

Cross-sectional descriptive study that analyzed data from the National Survey of Health 2019 and assessed the prevalence of angina in the Brazilian population. Angina was defined as chest pain or discomfort when climbing hills or stairs, or when walking fast on flat terrain (angina I) or when walking at normal speed on flat terrain (angina II). Prevalence, crude and adjusted prevalence ratios were calculated, with a 95% confidence interval, according to sociodemographic characteristics (sex, age group, self-reported race/skin color and region of residence) and federative units.

Results:

The prevalence of mild angina (grade I) was 8.1% and of moderate/severe angina (grade II) was 4.5%, being both more prevalent in women (9.8 and 5.5%, respectively). The prevalence increased progressively with age and was inversely proportional to years of formal study. Grade I angina was higher in individuals self-reportedly black and residents of Sergipe (10,4%). Angina II was more prevalent in people self-reportedly brown and living in Amazonas (6.3%).

Conclusion:

Angina affects more than 10% of the Brazilian population aged 18 years old and more, with higher prevalence in states in the North and Northeast. This is a problem that affects the most vulnerable populations unequally, which places coronary heart disease as a public health problem and points to the need to think about public policies aimed at these strata of the population.

Keywords:
coronary disease; atherosclerosis; health surveys; chronic disease; cross-sectional studies; chest pain

	Prevalence (95%CI)	Prevalence ratio (95%CI)
	Prevalence (95%CI)	Gross	Adjusted
Brazil	8.1 (7.8–8.4)	–	–
Sex
Male	6.2 (5.8–6.6)	1	1
Female	9.8 (9.3–10.3)	1.58 (1.55–1.61)	1.62 (1.59–1.65)
Age group
18–29	7.1 (6.4–7.8)	1	1
30–59	7.9 (7.5–8.3)	1.12 (1.08–1.16)	1.05 (1.01–1.09)
60–64	10.1 (9.0–11.3)	1.43 (1.38–1.49)	1.19 (1.14–1.24)
65–74	10.1 (9.1–11.2)	1.43 (1.37–1.49)	1.14 (1.09–1.19)
75 and over	8.8 (7.5–10.2)	1.24 (1.18–1.30)	0.92 (0.87–0.97)
Education
No education and incomplete elementary school	11.1 (10.5–11.7)	2.63 (2.54–2.72)	2.57 (2.47–2.68)
Complete elementary school and incomplete high school	9.2 (8.3–10.3)	2.19 (2.09–2.30)	2.23 (2.12–2.33)
Complete High School and Incomplete Higher Education	6.5 (6.0–7.1)	1.55 (1.49–1.62)	1.57 (1.51–1.63)
Higher education	4.2 (3.7–4.8)	1	1
Race/Skin color
White	7.2 (6.8–7.7)	1	1
Brown	8.7 (8.2–9.2)	1.20 (1.18–1.23)	1.08 (1.06–1.11)
Black	9.4 (8.6–10.4)	1.31 (1.27–1.34)	1.19 (1.16–1.22)
Yellow	3.8 (2.4–5.9)	0.52 (0.49–0.56)	0.56 (0.52–0.59)
Indigenous	8.6 (5.6–13.0)	1.19 (1.12–1.27)	1.12 (1.06–1.19)
Area of residence
Urban	7.8 (7.5–8.2)	1	1
Rural	9.8 (9.1–10.5)	1.25 (1.23–1.27)	1.06 (1.04–1.08)

	Prevalence (95%CI)	Prevalence ratio (95%CI)
	Prevalence (95%CI)	Gross	Ajustada
Brazil	4.5 (4.2–4.7)	–	–
Sex
Male	3.3 (3.0–3.6)	1	1
Female	5.5 (5.2–5.9)	1.70 (1.66–1.74)	1.71 (1.66–1.77)
Age group
18–29	2.6 (2.2–3.0)	1	1
30–59	4.4 (4.1–4.7)	1.73 (1.64–1.81)	1.53 (1.46–1.61)
60–64	6.0 (5.1–7.1)	2.36 (2.23–2.49)	1.73 (1.62–1.85)
65–74	6.7 (5.9–7.6)	2.63 (2.49–2.77)	1.80 (1.70–1.90)
75 and over	7.4 (6.4–8.6)	2.91 (2.76–3.08)	1.82 (1.72–1.94)
Education
No education and incomplete elementary school	7.2 (6.8–7.7)	4.31 (4.06–4.58)	4.23 (3.96–4.52)
Complete elementary school and incomplete high school	4.8 (4.2–5.5)	2.88 (2.70–3.08)	3.21 (3.30–3.43)
Complete High School and Incomplete Higher Education	2.9 (2.6–3.2)	1.73 (1.62–1.85)	1.91 (1.78–2.06)
Higher education	1.7 (1.3–2.1)	1	1
Race/Skin color
White	4.0 (3.6–4.4)	1	1
Brown	4.9 (4.6–5.3)	1.24 (1.21–1.28)	1.12 (1.08–1.15)
Black	4.3 (3.7–5.1)	1.09 (1.05–1.14)	0.98 (0.94–1.02)
Yellow	4.9 (2.4–9.9)	1.23 (0.90–1.69)	1.33 (0.96–1.85)
Indigenous	4.4 (2.5–7.6)	1.11 (1.02–1.20)	1.04 (0.95–1.13)
Area of residence
Urban	4.4 (4.1–4.7)	1	1
Rural	4.7 (4.3–5.2)	1.08 (1.05–1.10)	0.83 (0.81–0.85)

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[1] Corresponding author: Deborah Carvalho Malta. Avenida Professor Alfredo Balena, 190, Santa Efigênia, CEP: 30130-100, Belo Horizonte (MG), Brasil. E-mail: dcmalta@uol.com.br