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Table 1 Descriptive statistics and tests of differences between men and women for the estimation sample, Agincourt, South Africa, 2010-11

From: Twin epidemics: the effects of HIV and systolic blood pressure on mortality risk in rural South Africa, 2010-2019

  Overall Men Women P-value
Percent (%) Percent (%) Percent (%) Difference
Age Group     0.068
 40-59 51.3 48.8 52.5  
 60-74 24.7 27.8 23.3  
 75+ 24.0 23.4 24.3  
 Missing (N) 0 0 0  
HIV Status     0.003
 HIV Negative 73.0 73.0 73.0  
 HIV Positive Suppresseda 11.5 8.6 12.8  
 HIV Positive, Unsuppressedb 15.5 18.4 14.2  
 Missing (N) 226 117 109  
Citizenship     0.007
 South African 71.6 75.3 69.8  
 Other 28.4 24.7 30.2  
 Missing (N) 0 0 0  
Marital Status     <0.001
 Single 15.1 18.1 13.7  
 Married/cohabiting 46.7 60.1 40.3  
 Widowed/divorced 38.2 21.7 46.1  
 Missing (N) 3 1 2  
Education Level     <0.001
 None/very low (≤3 yrs) 46.8 40.8 49.6  
 Primary (4-8 yrs) 25.3 28.6 23.7  
 Secondary school or higher (>8 yrs) 28.0 30.7 26.7  
 Missing (N) 103 36 67  
Working Status     <0.001
 Not working 70.8 62.7 74.6  
 Working 29.2 37.3 25.4  
 Missing (N) 173 61 112  
Household Wealth Tertile     0.403
 1st (lowest wealth) 34.1 32.5 34.9  
 2nd 21.3 20.9 21.5  
 3rd 44.6 46.6 43.6  
 Missing (N) 11 5 6  
  Mean Mean Mean  
Systolic Blood Pressure 133.80 133.6 133.9 0.789
 Missing (N) 44 23 21  
Systolic Blood Pressure by HIV Status
 HIV Negative 136.23 136.3 136.2 0.931
 HIV Positive, Suppresseda 126.24 125.6 126.5 0.780
 HIV Positive, Unsuppressedb 128.23 128.8 127.9 0.681
 Missing (N) on both SBP and HIV 35 21 14  
Died during 8-year follow-up 28.5 36.9 24.5 <0.001
N 2,909 1,107 1,802  
  1. Data come from Ha Nakekela HIV and Noncommunicable Disease Study and the Agincourt Health & socio-Demographic Surveillance System. Proportions are survey weighted
  2. aSuppressed if viral load <400 copies/mL
  3. bUnsuppressed if viral load ≥400 copies/mL