Table 1

Participants with blood pressure measured in 2010 survey, those with hypertension* and stratified by whether or not previously diagnosed or on treatment

All participantsN with hypertension*Previously diagnosed†Not previously diagnosed‡
n=11 694n=3074 (26.3%)n=1368 (44.5%)n=1706 (55.5%)
Median (IQR) age (years)34 (21‒53)55 (43‒68)60 (51‒71)49 (35‒63)
Age groupP<0.001§
 <305107 (43.7%)354 (11.5%)21 (1.5 %)333 (19.5%)
 35–442191 (18.7%)484 (15.7%)118 (8.6 %)366 (21.5%)
 45–592265 (19.4%)992 (32.3%)507 (37.1%)485 (28.4%)
 60+2131 (18.2%)1244 (40.5%)722 (52.8%)522 (30.6%)
SexP<0.001
 Male3453 (29.5%)720 (23.4%)178 (13.0%)542 (31.8%)
 Female8241 (70.5%)2354 (76.6%)1190 (87.0%)1164 (68.2%)
EducationP<0.001
 None2389 (20.5%)1032 (33.6%)550 (40.2%)482 (28.3%)
 Less than complete secondary6244 (53.5%)1463 (47.6%)662 (48.4%)801 (47.0%)
 Complete secondary/above3040 (26.0%)576 (18.8%)155 (11.3%)421 (24.7%)
Missing 21 3 1 2
Marital statusP<0.001
 Single (never married)3462 (29.8%)518 (16.9%)174 (12.7%)344 (20.2%)
 Married/informal union6556 (56.3%)1696 (55.2%)688 (50.3%)1008 (59.2%)
 Widowed/separated/divorced1618 (13.9%)857 (27.9%)506 (37.0%)351 (20.6%)
Missing 58 3 0 3
EmployedP<0.001
 Yes1779 (15.3%)437 (14.2%)140 (10.2%)297 (17.4%)
 No9828 (84.7%)2634 (85.8%)1228 (89.8%)1406 (82.6%)
Missing 87 3 0 3
ResidenceP<0.001
 Urban617 (5.3 %)119 (3.9 %)55 (4.0 %)64 (3.8 %)
 Periurban3604 (30.8%)904 (29.4%)347 (25.4%)557 (32.7%)
 Rural7464 (63.9%)2050 (66.7%)966 (70.6%)1084 (63.6%)
Missing 9 1 0 1
SES tertileP=0.67
 Low4193 (36.4%)1173 (38.6%)525 (38.7%)648 (38.5%)
 Middle3818 (33.1%)947 (31.2%)412 (30.4%)535 (31.8%)
 High3522 (30.5%)918 (30.2%)418 (30.8%)500 (29.7%)
Missing 161 36 13 23
Self-report of diabetes¶P<0.001
 No11 300 (96.6%)2867 (93.3%)1176 (86.0%)1691 (99.1%)
 Yes394 (3.4 %)207 (6.7 %)192 (14.0%)15 (0.9 %)
Nearest clinic (km)**P=0.84
 0-<1.52642 (22.6%)676 (22.0%)292 (21.3%)384 (22.5%)
 1.5–2.52879 (24.6%)710 (23.1%)314 (23.0%)396 (23.2%)
 >2.5–3.92975 (25.5%)809 (26.3%)368 (26.9%)441 (25.9%)
 >3.93189 (27.3%)878 (28.6%)394 (28.8%)484 (28.4%)
Missing 9 1 0 1
  • Italic values are for missing data, which are typically highlighted as separate (and not analyzed) data.

  • *Hypertension defined as systolic BP ≥140 mm Hg or diastolic BP ≥90 mm Hg, in an average of two readings.

  • †Report having been previously diagnosed or on treatment for hypertension in 2010 survey.

  • ‡Report no previous diagnosis or treatment for hypertension in 2010 survey.

  • §P value from χ2 test comparing characteristics of those previously diagnosed/treatment and those with no previous diagnosis/treatment.

  • ¶Report having been diagnosed with or on treatment for diabetes in 2010 survey.

  • **Quartiles based on distribution in all individuals who were eligible for 2010 survey.

  • BP, blood pressure; SES, socioeconomic status.