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

Table 4.

Factors associated with undiagnosed hypertension in a second blood pressure measurement among adults in Peru (ENDES 2019).

Variable Crude
Adjusted
PR (95% CI) P-value aPR (95% CI) P-value
Age group (years)
 18-29 Reference Reference
 30-49 0.87 (0.81–0.92) <0.001 0.95 (0.87–1.03) 0.210
 50-69 0.68 (0.64–0.74) <0.001 0.80 (0.73–0.88) <0.001
 70 or more 0.50 (0.44–0.56) <0.001 0.58 (0.50–0.68) <0.001
Gender
 Female Reference Reference
 Male 1.33 (1.23–1.45) <0.001 1.16 (1.06–1.27) 0.001
Educational level
 None or elementary school Reference Reference
 Primary education 0.93 (0.81–1.07) 0.289 0.88 (0.76–1.02) 0.084
 Secondary education 1.10 (0.97–1.26) 0.135 0.89 (0.75–1.04) 0.141
 Higher education 1.15 (1.00–1.31) 0.042 0.92 (0.77–1.10) 0.367
Marital status
 Single Reference Reference
 Married 0.83 (0.76–0.90) <0.001 0.98 (0.90–1.08) 0.713
 Widowed, divorced or separated 0.71 (0.64–0.80) <0.001 1.00 (0.88–1.12) 0.954
Health insurance
 No Reference Reference
 Yes 0.83 (0.77–0.89) <0.001 0.93 (0.87–0.99) 0.025
Body Mass Index
 Underweight/Normal Reference Reference
 Overweight 0.95 (0.87–1.04) 0.263 0.92 (0.84–1.02) 0.104
 Obesity 0.88 (0.80–0.97) 0.008 0.84 (0.76–0.94) 0.002
Physical or psychological limitation
 No Reference Reference
 Yes 0.74 (0.57–0.95) 0.018 0.90 (0.69–1.17) 0.434
Depressive symptoms
 No Reference Reference
 Yes 0.78 (0.66–0.91) 0.002 0.87 (0.75–1.01) 0.064
Diabetes
 No Reference Reference
 Yes 0.46 (0.36–0.60) <0.001 0.55 (0.43–0.71) <0.001
Smoking status
 No Reference Reference
 Yes 1.22 (1.11–1.34) <0.001 1.04 (0.94–1.15) 0.440
Binge drinking
 No Reference Reference
 Yes 1.24 (1.15–1.34) <0.001 1.03 (0.95–1.11) 0.449
Wealth quintile
 Richest Reference Reference
 Rich 1.03 (0.90–1.18) 0.663 1.06 (0.94–1.21) 0.337
 Middle 1.10 (0.97–1.25) 0.134 1.08 (0.95–1.23) 0.222
 Poor 1.15 (1.02–1.29) 0.023 1.08 (0.95–1.23) 0.223
 Poorest 1.16 (1.04–1.30) 0.008 1.15 (0.99–1.33) 0.075
Area of residence
 Urban Reference Reference
 Rural 1.08 (1.01–1.15) 0.022 1.01 (0.95–1.10) 0.826
Natural region of residence
 Jungle Reference Reference
 Andean 1.11 (1.02–1.20) 0.014 1.02 (0.88–1.18) 0.789
 Coast 1.02 (0.94–1.11) 0.677 1.13 (1.04–1.24) 0.006
Altitude of residence (meters)
 0-499 Reference Reference
 500-1499 1.01 (0.89–1.14) 0.884 1.00 (0.87–1.14) 0.965
 1500-2999 1.01 (0.93–1.11) 0.757 1.08 (0.94–1.25) 0.278
 3000 or more 1.17 (1.08–1.26) <0.001 1.21 (1.02–1.42) 0.027

Weighting factors and sample specifications of ENDES were included for all analyses.

ENDES: Encuesta Demográfica y de Salud Familiar.

CI: confidence interval; PR: prevalence ratio; aPR: adjusted prevalence ratio.

Adjusted model for all the variables that resulted in a value of p <0.2 in the crude model.