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. 2021 Jul 9;7(7):e07516. doi: 10.1016/j.heliyon.2021.e07516

Table 2.

Prevalence of undiagnosed hypertension among adults according to background characteristics (ENDES 2019).

Characteristic Undiagnosed hypertension
P-value∗∗
No (n = 1148)
% (95% CI)
Yes (n = 2549)
% (95% CI)
Total 32.8 (30.4–35.3) 67.2 (64.7–69.6) --
Standardized prevalence# 19.5 (17.7–21.4) 80.5 (78.6–82.3)
Age group (years)
 18-29 5.5 (2.6–11.2) 94.5 (88.8–97.4) <0.001
 30-49 18.0 (14.5–22.1) 82.0 (77.9–85.5)
 50-69 35.2 (31.5–39.2) 64.8 (60.8–68.5)
 70 or more 52.5 (47.3–57.6) 47.5 (42.4–52.7)
Gender
 Female 44.3 (40.3–48.4) 55.7 (51.6–59.7) <0.001
 Male 25.3 (22.4–28.3) 74.7 (71.7–77.6)
Ethnicty
 Non native 34.1 (31.1–37.3) 65.9 (62.7–68.9) 0.156
 Native 28.9 (24.8–33.5) 71.1 (66.5–75.2)
 Afro-Peruvian 33.3 (27.0–40.2) 66.7 (59.8–73.0)
Educational level
 None or elementary school 37.5 (30.4–45.2) 62.5 (54.8–69.6) <0.001
 Primary education 41.4 (37.2–45.8) 58.6 (54.2–62.8)
 Secondary education 29.1 (25.4–33.2) 70.9 (66.8–74.6)
 Higher education 28.0 (23.7–32.8) 72.0 (67.2–76.3)
Marital status
 Single 19.0 (14.0–25.4) 81.0 (74.6–86.0) <0.001
 Married 31.6 (28.6–34.7) 68.4 (65.3–71.4)
 Widowed, divorced, or separated 41.7 (37.0–46.6) 58.3 (53.4–63.0)
Health insurance
 No 22.2 (18.2–26.8) 77.8 (73.2–81.8) <0.001
 Yes 36.5 (33.7–39.3) 63.5 (60.7–66.3)
Body Mass Index
 Underweight/Normal 28.2 (23.6–33.4) 71.8 (66.6–76.4) 0.039
 Overweight 31.9 (28.5–35.6) 68.1 (64.4–71.5)
 Obesity 36.5 (32.4–40.7) 63.5 (59.3–67.6)
Physical or psychological limitation
 No 32.1 (29.7–34.5) 67.9 (65.5–70.3) 0.002
 Yes 50.5 (38.5–62.4) 49.5 (37.6–61.5)
Depressive symptoms
 No 31.4 (29.0–33.9) 68.6 (66.1–71.0) <0.001
 Yes 49.1 (40.7–57.5) 50.9 (42.5–59.3)
Diabetes
 No 29.2 (26.9–31.7) 70.8 (68.3–73.1) <0.001
 Yes 67.1 (58.4–74.7) 32.9 (25.3–41.6)
Smoking status
 No 34.4 (31.8–37.1) 65.6 (62.9–68.2) 0.002
 Yes 21.2 (15.3–28.6) 78.8 (71.4–84.7)
Binge drinking
 No 36.6 (33.8–39.5) 63.4 (60.5–66.2) <0.001
 Yes 21.1 (17.1–25.7) 78.9 (74.3–82.9)
Wealth quintile
 Richest 38.0 (32.3–44.1) 62.0 (55.9–67.7) 0.019
 Rich 35.9 (30.6–41.6) 64.1 (58.4–69.4)
 Middle 30.4 (25.5–35.8) 69.6 (64.2–74.5)
 Poor 29.3 (25.1–33.8) 70.7 (66.2–74.9)
 Poorest 27.8 (24.5–31.3) 72.2 (68.7–75.5)
Area of residence
 Urban 33.6 (30.9–36.5) 66.4 (63.5–69.1) 0.019
 Rural 28.3 (25.0–31.8) 71.7 (68.2–75.0)
Natural region of residence
 Jungle 35.9 (31.6–40.5) 64.1 (59.5–68.4) 0.135
 Andean 29.6 (26.3–33.2) 70.4 (66.8–73.7)
 Coast 33.2 (30.1–36.5) 66.8 (63.5–69.9)
Altitude of residence (meters)
 0-499 33.7 (30.6–36.8) 66.3 (63.2–69.4) 0.028
 500-1499 33.6 (26.7–41.4) 66.4 (58.6–73.3)
 1500-2999 34.5 (29.6–39.8) 65.5 (60.2–70.4)
 3000 or more 24.9 (20.8–29.5) 75.1 (70.5–79.2)

Data are displayed as weighted % of the row unless otherwise indicated.

ENDES: Encuesta Demográfica y de Salud Familiar.

The weighting factor and sample specifications of ENDES were included.

∗∗

Estimated P-value using the Chi-square test with Rao-Scott adjustment.

#

According to the WHO population. CI: confidence interval.