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. 2020 Oct 1;10(10):e037592. doi: 10.1136/bmjopen-2020-037592

Table 1.

Characteristics of the study patients

Variables Total Diagnosed hypertension Undiagnosed hypertension χ2 statistic
(p- value)
n % 95% CI n % 95% CI n % 95% CI
Overall 3334 1634 49.6 47.1 to 52.1 1700 50.4 47.9 to 52.9
Age (in years) 29.6317
 15–24 237 6.6 5.6 to 7.8 107 43.1 36.1 to 50.4 130 56.9 49.6 to 63.9 0.0008
 25–34 449 13.2 11.9 to 14.5 196 43.8 38.4 to 49.3 253 56.2 50.7 to 61.6
 35–44 637 19.6 18 to 21.3 287 45.2 40.1 to 50.3 350 54.8 49.7 to 59.9
 45–54 687 20.9 19.2 to 22.8 333 49.4 45 to 53.8 354 50.6 46.2 to 55
 55–64 643 18.9 17.4 to 20.5 344 54.7 49.8 to 59.5 299 45.3 40.5 to 50.2
 ≥65 681 20.8 19 to 22.7 367 55.1 50.3 to 59.8 314 44.9 40.2 to 49.7
Sex 18.35
 Male 1640 49.5 47.7 to 51.3 746 45.8 42.6 to 49.1 894 54.2 50.9 to 57.4 0.0003
 Female 1694 50.5 48.7 to 52.3 888 53.3 50.1 to 56.4 806 46.7 43.6 to 49.9
BMI 29.2511
 Normal 1816 53.6 51.2 to 56.1 841 47.1 44.3 to 50 975 52.9 50 to 55.7 0.0001
 Thin 361 11.1 9.9 to 12.5 156 42.2 35.7 to 49 205 57.8 51 to 64.3
 Overweight/obese 1120 35.2 32.5 to 38 620 55.6 51.7 to 59.5 500 44.4 40.5 to 48.3
Education 6.5852
 No education 1576 46.5 44.1 to 48.9 778 50.9 47.5 to 54.4 798 49.1 45.6 to 52.5 0.2125
 Primary 602 17.8 16.2 to 19.5 285 46.1 41.1 to 51.1 317 53.9 48.9 to 58.9
 Secondary 804 24.1 22.5 to 25.9 383 48 43.6 to 52.4 421 52 47.6 to 56.4
 Higher 350 11.5 9.9 to 13.5 187 53 46.9 to 58.9 163 47 41.1 to 53.1
Wealth quintile 90.7085
 Poorest 610 15.5 13.3 to 18 211 35.9 31.9 to 40 399 64.1 60 to 68.1 0.0000
 Poorer 689 19.2 16.9 to 21.7 313 44.2 39.8 to 48.7 376 55.8 51.3 to 60.2
 Middle 604 17.3 15.2 to 19.6 301 49.5 44.5 to 54.5 303 50.5 45.5 to 55.5
 Richer 667 19.7 17.1 to 22.6 344 50.2 44.9 to 55.5 323 49.8 44.5 to 55.1
 Richest 764 28.3 24 to 33 465 60.4 55.4 to 65.2 299 39.6 34.8 to 44.6
Place of residence 16.691
 Urban 2221 64.9 59.9 to 69.6 1152 52.2 49 to 55.4 1069 47.8 44.6 to 51 0.0057
 Rural 1113 35.1 30.4 to 40.1 482 44.8 40.7 to 48.9 631 55.2 51.1 to 59.3
Ecological zone 3.43
 Mountain 200 5.6 3.6 to 8.6 92 47.1 39.4 to 54.8 108 52.9 45.2 to 60.6 0.3721
 Hill 1694 49.9 44.2 to 55.6 788 48.3 45.1 to 51.5 906 51.7 48.5–54.9
 Terai 1440 44.5 39.2 to 49.9 754 51.4 47.1 to 55.6 686 48.6 44.4 to 52.9
Province 23.7869
 Province 1 490 17 15.2 to 19 265 53 47.7 to 58.3 225 47 41.7 to 52.3 0.0511
 Province 2 460 16.2 14.2 to 18.3 243 53.1 46.5 to 59.6 217 46.9 40.4 to 53.5
 Province 3 575 26 21.8 to 30.6 303 52.7 46.8 to 58.5 272 47.3 41.5 to 53.2
 Province 4 578 13.2 11.5 to 15.1 273 46.9 42 to 51.7 305 53.1 48.3 to 58
 Province 5 553 17.8 15.4 to 20.4 253 45.4 39 to 51.9 300 54.6 48.1 to 61
 Province 6 343 3.9 3.3 to 4.6 148 39.8 32.9 to 47.1 195 60.2 52.9 to 67.1
 Province 7 335 6 5 to 7.2 149 41.9 33.8 to 50.5 186 58.1 49.5 to 66.2
Caffeine consumption 0.2587
 No 2942 88.4 86.7 to 89.9 1434 49.4 46.9 to 52.0 1508 50.6 48.0 to 53.1 0.6895
 Yes 392 11.6 10.1 to 13.3 200 50.8 44.1 to 57.4 192 49.2 42.6 to 55.8
Tobacco use 5.3524
 No 2826 84.9 83.2 to 86.6 1410 50.4 47.8 to 53.1 1416 49.6 46.9 to 52.2 0.0338
 Yes 508 15.1 13.5 to 16.8 224 44.8 40.0 to 49.8 284 55.1 50.2 to 60.0
Alcohol consumption 2.4122
 No 3249 97.8 97.1 to 98.4 1600 49.8 47.2 to 52.8 1649 50.2 47.6 to 52.8 0.1505
 Yes 85 2.2 1.6 to 2.9 34 40.6 29.4 to 52.9 51 59.4 47.1 to 70.6

n, number of sample.