Prevalence of self-reported arterial hypertension in Brazilian capitals in 2011 and analysis of its trends in the period between 2006 and 2011

Andrade, Silvania Suely Caribé de Araújo; Malta, Deborah Carvalho; Iser, Betine Moehlecke; Sampaio, Patricia Chueri; Moura, Lenildo de

doi:10.1590/1809-4503201400050017

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Revista Brasileira de Epidemiologia

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Original Articles • Rev. bras. epidemiol. 17 (suppl 1) • 2014 • https://doi.org/10.1590/1809-4503201400050017 copy

Prevalence of self-reported arterial hypertension in Brazilian capitals in 2011 and analysis of its trends in the period between 2006 and 2011

Authorship SCIMAGO INSTITUTIONS RANKINGS

OBJECTIVE:

To describe the prevalence of self-reported arterial hypertension in the adult population in the Brazilian state capitals and Federal District in 2011, and analyze the trend from 2006 to 2011.

METHODS:

A time series study was conducted with data from the monitoring system by telephone survey (Vigitel) in the period between 2006 and 2011. Approximately 54,000 individuals were assessed per year in the locations studied. A polynomial regression model was used for trend analysis according to gender, age, education and region of the country.

RESULTS:

The prevalence of hypertension was 22.7% in 2011, higher in women (25.4%; 95%CI 24.2 - 26.5) than in men (19.5%; 95%CI 18.4 - 20.7). In the period between 2006 and 2011, the lower frequency of hypertension was observed in 2006 (21.5%), and the higher in 2009 (24.4%), with no statistically significant difference in the period.

CONCLUSION:

There was no significant sex-specific trend, maintaining the higher frequency among women. The prevalence of hypertension increased progressively with age and was higher among adults with lower education (0 - 8 years of study). The South was the only region that showed a statistically significant increasing trend for the years between 2006 and 2011 (15% per year).

Hypertension; Prevalence; Interview; Chronic disease; Time series studies; Morbidity

Capitals and DF	Total				Sex
	Total				Male				Female
	%	95%CI			%	95%CI			%	95%CI
Aracaju	23.3	20.3	–	26.3	21.1	16.4	–	25.9	25.1	21.2	–	29.0
Belém	19.9	17.1	–	22.7	19.5	15.1	–	23.8	20.2	16.6	–	23.9
Belo Horizonte	22.4	20.0	–	24.9	19.1	15.3	–	22.9	25.3	22.0	–	28.5
Boa Vista	17.0	13.8	–	20.2	15.6	11.1	–	20.2	18.4	14.0	–	22.8
Campo Grande	24.0	21.2	–	26.8	23.9	19.5	–	28.3	24.1	20.6	–	27.6
Cuiabá	21.4	18.6	–	24.2	21.0	16.7	–	25.3	21.8	18.1	–	25.5
Curitiba	22.0	19.6	–	24.3	19.5	16.1	–	22.8	24.2	20.8	–	27.5
Florianópolis	18.7	16.6	–	20.7	16.3	13.4	–	19.2	20.8	18.0	–	23.6
Fortaleza	17.3	15.0	–	19.6	14.3	11.2	–	17.4	19.8	16.5	–	23.1
Goiânia	21.1	18.5	–	23.7	20.1	16.1	–	24.1	21.9	18.5	–	25.3
João Pessoa	21.0	18.4	–	23.6	18.1	14.4	–	21.8	23.4	19.8	–	27.0
Macapá	19.0	16.0	–	22.0	16.8	13.0	–	20.7	21.0	16.5	–	25.6
Maceió	22.2	19.2	–	25.2	19.1	14.4	–	23.7	24.8	21.0	–	28.7
Manaus	18.6	15.8	–	21.5	15.4	11.4	–	19.4	21.6	17.5	–	25.7
Natal	24.9	21.4	–	28.3	20.8	15.3	–	26.3	28.2	24.0	–	32.4
Palmas	12.9	10.2	–	15.6	13.1	8.8	–	17.4	12.7	9.4	–	16.0
Porto Alegre	25.7	23.2	–	28.1	23.6	19.8	–	27.5	27.4	24.2	–	30.5
Porto Velho	16.8	14.6	–	19.0	12.9	10.3	–	15.5	20.6	17.0	–	24.2
Recife	26.1	23.3	–	29.0	21.0	16.9	–	25.0	30.3	26.5	–	34.1
Rio Branco	21.0	17.7	–	24.2	19.6	14.6	–	24.7	22.2	18.0	–	26.3
Rio de Janeiro	29.8	27.0	–	32.6	23.9	20.0	–	27.9	34.7	31.0	–	38.4
Salvador	21.2	18.9	–	23.5	18.1	14.9	–	21.3	23.8	20.5	–	27.0
São Luís	17.7	14.9	–	20.5	16.0	12.3	–	19.7	19.1	15.0	–	23.2
São Paulo	22.5	19.9	–	25.0	19.6	16.2	–	23.0	24.9	21.3	–	28.5
Teresina	20.7	17.7	–	23.7	19.6	15.1	–	24.1	21.5	17.4	–	25.6
Vitória	25.0	21.8	–	28.3	22.6	18.7	–	26.4	27.1	22.1	–	32.1
Distrito Federal	20.2	17.8	–	22.7	16.9	13.5	–	20.2	23.2	19.7	–	26.6
Total	22.7	21.9	–	23.5	19.5	18.4	–	20.7	25.4	24.2	–	26.5

Variable	2006		2007		2008		2009		2010		2011		β coefficient	p-value
Variable	%	95%CI	%	95%CI	%	95%CI	%	95%CI	%	95%CI	%	95%CI	β coefficient	p-value
Total	21.5	20.8 – 22.3	22.3	21.6 – 23.1	23.9	23.0 – 24.7	24.4	23.3 – 25.4	23.3	22.3 – 24.2	22.7	21.9 – 23.5	0.27	0.34
Sex
Male	18.4	17.4 – 19.4	19.9	18.7 – 21.0	21.0	19.7 – 22.3	21.1	19.6 – 22.5	20.7	19.1 – 22.2	19.5	18.4 – 20.4	0.23	0.42
Female	24.2	23.3 – 25.2	24.5	23.4 – 25.5	26.3	25.2 – 27.4	27.2	25.8 – 28.5	25.5	24.3 – 26.7	25.4	24.2 – 26.5	0.28	0.34
Age group (years)
18 – 24	5.7	4.6 – 6.8	5.6	4.1 – 7.1	6.5	4.8 – 8.1	7.5	4.7 – 10.3	8.2	5.3 – 11.1	5.4	3.3 – 7.5	0.21	0.51
25 – 34	10.4	9.2 – 11.7	10.7	9.2 – 12.1	11.1	9.7 – 12.6	13.7	11.6 – 15.7	10.0	8.6 – 11.4	10.2	8.9 – 11.6	– 0.01	0.97
35 – 44	18.1	16.7 – 19.5	19.1	17.6 – 20.5	21.1	19.6 – 22.7	20.9	19.2 – 22.5	18.7	17.1 – 20.3	20.1	18.5 – 21.8	0.25	0.46
45 – 54	31.8	29.9 – 33.8	35.2	33.1 – 37.3	37.0	35.0 – 39.1	34.5	32.5 – 36.5	35.8	33.7 – 38.0	35.3	33.4 – 37.3	0.48	0.30
55 – 64	48.2	45.6 – 50.9	49.2	46.7 – 51.8	52.0	49.5 – 54.5	50.4	47.9 – 52.9	52.8	50.2 – 55.4	50.5	48.1 – 52.9	0.59	0.16
≥ 65	57.8	55.5 – 60.1	57.8	55.3 – 60.3	61.0	58.7 – 63.4	63.2	60.9 – 65.4	60.2	57.8 – 62.5	59.7	57.4 – 61.9	0.54	0.32
Schooling (years)
0 – 8	26.8	25.6 – 28.0	28.1	26.8 – 29.4	30.3	28.8 – 31.8	31.5	29.7 – 33.4	30.0	28.3 – 31.7	28.3	26.9 – 29.8	0.41	0.38
9 – 11	15.2	14.4 – 16.1	15.2	14.3 – 16.1	16.0	15.2 – 16.9	15.8	15.0 – 16.7	15.3	14.4 – 16.1	15.6	14.7 – 16.4	0.06	0.52
≥ 12	16.0	14.8 – 17.2	16.7	15.5 – 17.9	17.5	16.3 – 18.8	16.8	15.7 – 18.0	16.2	15.0 – 17.3	17.5	16.2 – 18.7	0.15	0.37
Region
Northeast	21.4	20.4 – 22.3	21.6	20.6 – 22.6	22.3	21.2 – 23.3	23.5	22.4 – 24.6	22.0	20.9 – 23.1	21.1	20.1 – 22.1	0.03	0.92
North	19.1	17.8 – 20.3	17.3	16.1 – 18.4	17.4	16.2 – 18.6	18.9	17.6 – 20.2	18.1	16.8 – 19.5	18.8	17.4 – 20.3	0.07	0.76
Southeast	22.8	21.4 – 24.1	24.6	23.1 – 26.1	27.0	25.3 – 28.7	26.8	24.7 – 28.8	25.2	23.6 – 26.8	24.7	23.1 – 26.4	0.32	0.46
South	20.9	19.5 – 22.3	21.8	20.3 – 23.3	23.3	21.8 – 24.8	22.8	21.2 – 24.4	23.8	22.3 – 25.4	23.1	21.6 – 24.6	0.47	0.04
Center – West	19.4	17.9 – 21.0	19.6	18.2 – 21.0	20.8	19.4 – 22.1	22.3	20.2 – 24.3	22.6	17.9 – 27.3	21.1	19.7 – 22.6	0.54	0.08

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[1] Corresponding author: Silvânia Suely Caribé de Araújo Andrade. Departamento de Vigilância de Doenças e Agravos Não Transmissíveis e Promoção da Saúde, Secretaria de Vigilância em Saúde, Ministério da Saúde. SAF Sul, Trecho 2, Lote 5/6, Torre I, Edifício Premium, Sala 14, Térreo, CEP: 70070-600, Brasília, DF, Brasil. E-mail: silvaniasuely@yahoo.com.br