Prevalence of self-reported chronic kidney disease in adults in the Metropolitan Region of Manaus: a cross-sectional population-based study, 2015

Marinho, Ana Wanda Guerra Barreto; Galvão, Taís Freire; Silva, Marcus Tolentino

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Epidemiologia e Serviços de Saúde

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RESEARCH NOTE • Epidemiol. Serv. Saúde 29 (1) • 2020 • https://doi.org/10.5123/S1679-49742020000100003 copy

Prevalence of self-reported chronic kidney disease in adults in the Metropolitan Region of Manaus: a cross-sectional population-based study, 2015^* * Article derived from the Master’s Degree thesis entitled ‘Prevalence of self-reported kidney disease in adults in the Metropolitan Region of Manaus’, defended by Ana Wanda Guerra Barreto Marinho at the Federal University of Amazonas Pharmaceutical Sciences Postgraduate Program, in Manaus, AM, in 2017. This study received funding from the National Scientific and Technological Development Council/Ministry of Science, Technology, Innovation and Communications (CNPq/MCTIC): Process No. 404990/2013-4 and Process No. 448093/2014-6.

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Objective:

to estimate the prevalence of self-reported chronic kidney disease and associated factors in adults living in the Metropolitan Region of Manaus, Brazil.

Methods:

this was a population-based cross-sectional study conducted in 2015, with probabilistic sampling to select adults ≥18 years to be interviewed at home; factors associated with self-reported chronic kidney disease were investigated using hierarchical Poisson regression, to calculate prevalence ratios (PR) and 95% confidence intervals (95%CI), considering the complex sampling used.

Results:

a total of 4,001 people were interviewed - 52.8% were women, 72.2% were of brown skin color and 19.7% had hypertension; prevalence of self-reported chronic kidney disease was 2.1% (95%CI 1.6;2.5), it was positively associated with age (35-44 years old, PR=2.31, 95%CI 1.02;5.21; 45-59 years old, PR=2.52, 95%CI 1.10;5.75; ≥60 years old, PR=2.95, 95%CI 1.21;7.16) and having had strokes (PR=2.20, 95%CI 1.09;4.45).

Conclusion:

two out of every 100 Manaus metropolitan region inhabitants self-reported chronic kidney disease and it was more frequent in older adults and those who had had strokes.

Keywords:
Renal Insufficiency, Chronic; Adult; Self-Report; Prevalence; Population; Cross-Sectional Studies

Variable	n	%^a	Prevalence % (95%CI^b)
Sex
Male	1,888	47.2	1.7 (1.2;2.4)
Female	2,113	52.8	2.4 (1.8;3.1)
Age range (in years)
18-24	838	20.9	1.0 (0.5;1.9)
25-34	1,152	28.8	0.7 (0.3;1.4)
35-44	843	21.1	2.3 (1.5;3.6)
45-59	772	19.3	2.9 (2.0;4.4)
≥60	396	9.9	6.0 (4.0;8.8)
Race/skin color
White	636	15.9	1.1 (0.5;2.2)
Black	300	7.5	0.7 (0.2;2.6)
Yellow	138	3.5	2.9 (1.1;7.4)
Brown	2,886	72.1	2.4 (1.9;3.0)
Indigenous	41	1.0	2.4 (0.3;15.4)
Economic classification
A	629	15.7	0.9 (0.4;2.1)
B	862	21.5	1.0 (0.5;2.0)
C	1,423	35.6	2.2 (1.5;3.1)
D/E	1,087	27.2	3.4 (2.4;4.6)
Education
Higher education	158	4.0	2.5 (0.9;6.4)
High school education	1,903	47.5	1.0 (0.6;1.6)
Elementary education	649	16.2	1.4 (0.7;2.6)
Below elementary	1,291	32.3	3.9 (3.0;5.1)
Work status
Formal	761	19.0	1.6 (0.9;2.7)
Informal	1,149	28.8	1.5 (1.0;2.4)
Retired	315	7.9	6.3 (4.1;9.6)
Student/housewife	1,199	29.9	2.3 (1.6;3.3)
Does not work	577	14.4	1.0 (0.5-2.3)
City of residence
Interior	522	13.1	1.4 (0.7;2.8)
Capital	3,479	86.9	2.2 (1.7;2.7)
Chronic diseases
Hypertension	787	19.7	4.1 (2.9;5.7)
Diabetes	245	6.2	5.7 (3.4;9.4)
Coronary disease	203	5.1	6.9 (4.1;11.3)
Hypercholesterolemia	596	14.9	5.0 (3.5;7.1)
Stroke	104	2.6	10.5 (5.9;18.0)
State of health
Very good	471	11.8	0.8 (0.3;2.2)
Good	2,175	54.3	1.4 (0.9;1.9)
Regular	1,108	27.6	2.9 (2.0;4.1)
Poor	193	4.9	6.2 (3.5;10.5)
Very poor	54	1.4	9.3 (3.9;20.4)
Body mass index (kg/m²)
<25	1,591	39.8	2.0 (1.4;2.8)
25-29.99	1,554	38.9	1.6 (1.1;2.3)
≥30	852	21.3	3.0 (2.1;4.4)

Secretaria de Vigilância em Saúde e Ambiente - Ministério da Saúde do Brasil SRTVN Quadra 701, Via W5 Norte, Lote D, Edifício P0700, CEP: 70719-040, +55 61 3315-3464, Fax: +55 61 3315-3464 - Brasília - DF - Brazil
E-mail: ress.svs@gmail.com

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[1] Correspondence: Ana Wanda Guerra Barreto Marinho - Universidade Federal do Amazonas, Faculdade de Medicina, Departamento de Clínica Médica, Rua Afonso Pena, No. 1053, Centro, Manaus, AM, Brazil. Postcode: 69020-160 E-mail: anawandam@gmail.com

Variable	Crude PR^a (95%CI^b)	P value^c	Adjusted PR^a (95%CI^b)	P value^c	Block^d
Sex		0.112		0.668	2nd
Male	1.00		1.00
Female	1.43 (0.92;2.21)		1.05 (0.64;1.57)
Age range (in years)		<0.001		0.004	2nd
18-24	1.00		1.00
25-34	0.72 (0.27;1.92)		0.72 (0.27;1.95)
35-44	2.46 (1.09;5.55)		2.31 (1.02;5.21)
45-59	3.08 (1.39;6.85)		2.52 (1.10;5.75)
≥60	6.24 (2.83;13.78)		2.95 (1.21;7.16)
Race/skin color		0.125		0.231	2nd
White	1.00		1.00
Black	0.61 (0.13;2.92)		0.51 (0.10;2.44)
Yellow	2.68 (0.79;9.04)		2.34 (0.70;7.76)
Brown	2.20 (1.02;4.77)		1.77 (0.81;3.91)
Indigenous	2.27 (0.29;18.01)		1.39 (0.20;9.57)
Economic classification		0.001		0.135	1st
A	1.00		1.00
B	1.11 (0.40;3.11)		1.15 (0.42;3.17)
C	2.30 (0.97;5.50)		2.11 (0.88;5.08)
D/E	3.59 (1.52;8.46)		2.29 (0.95;5.55)
Education		<0.001		0.006	1st
Higher education	1.00		1.00
High school education	0.41 (0.14;1.18)		0.34 (0.11;0.99)
Elementary education	0.56 (0.18;1.81)		0.41 (0.13;1.27)
Below elementary	1.59 (0.58;4.35)		0.90 (0.32;2.57)
Work status		<0.001		0.276	1st
Formal	1.00		1.00
Informal	0.98 (0.48;2.03)		0.75 (0.37;1.52)
Retired	4.04 (2.00;8.17)		2.18 (1.05;4.51)
Student/housewife	1.45 (0.74;2.84)		1.08 (0.55;2.13)
Does not work	0.66 (0.25;1.76)		0.56 (0.21;1.46)
City of residence		0.244		0.138	1st
Interior	1.00		1.00
Capital	1.54 (0.74;3.18)		1.72 (0.84;3.50)
Chronic diseases^e
Hypertension	2.59 (1.68;4.01)	<0.001	0.93 (0.53;1.65)	0.808	3rd
Diabetes	3.12 (1.78;5.46)	<0.001	1.05 (0.59;1.87)	0.860	3rd
Coronary disease	3.84 (2.20;6.70)	<0.001	1.46 (0.76;2.83)	0.255	3rd
Hypercholesterolemia	3.28 (2.11;5.09)	<0.001	1.59 (0.91;2.76)	0.103	3rd
Stroke	5.75 (3.14;10.53)	<0.001	2.20 (1.09;4.45)	0.029	3rd
State of health		<0.001		0.175	3rd
Very good	1.00		1.00
Good	1.61 (0.57;4.54)		1.07 (0.37;3.11)
Regular	3.42 (1.22;9.63)		1.41 (0.47;4.27)
Poor	7.31 (2.39;22.41)		2.23 (0.66;7.51)
Very poor	10.99 (3.04;39.72)		2.71 (0.70;10.49)
Body mass index (kg/m²)		0.059		0.344	3rd
<25	1.00		1.00
25-29.9	0.79 (0.47;1.33)		0.76 (0.45;1.27)
≥30	1.51 (0.91;2.52)		1.12 (0.66;1.90)