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Table 3 Biochemical and clinical measures and categorisation according to cut-offs for the total group and for age, gender and origin and groups (n = 517)

From: Health status of primary school educators in low socio-economic areas in South Africa

   BP (mmHg) Glucose (mmol/l) Cholesterol (mmol/l)
   Mean ± SD %<140/90 % ≥140/90 Mean ± SD %<5.6 % ≥5.6-11.1 % ≥11.0 Mean ± SD %<5.2 %>6.2
Category N1 Diastolic Systolic        
Gender
Male 196 86 ± 10.9 137 ± 18.4 63.0 37.0 4.99 ± 2.4 65.8 31.6 2.6 4.5 ± 0.8 64.8 35.2
Female 321 83 ± 10.0 131 ± 18.6 50.0 50.0 4.44 ± 2.4 74.0 24.0 1.6 4.5 ± 0.9 72.6 27.4
p-value   0.005 3 0.001 3 0.003 2 0.074 3 0.121 2 0.062 3 0.062 2
Origin
Rural 329 85 ± 10.3 132 ± 18.5 50.2 49.8 4.7 ± 2.2 72.9 25.5 1.5 4.6 ± 0.9 67.8 32.2
Urban 188 84 ± 10.6 135 ± 18.9 62.2 37.7 4.6 ± 0.9 67.5 29.8 2.7 4.3 ± 0.8 72.7 27.3
p-value   0.410 3 0.237 3 0.008 2 0.805 3 0.351 2 0.227 3 0.240 2
Age categories
<30 10 80 ± 7.9 122 ± 13.6 60.0 40.0 4.3 ± 1.7 70.0 30.0 0.0 3.9 ± 0.5 80.0 20.0
30-49 366 84 ± 10.7 132 ± 18.0 49.7 50.3 4.5 ± 2.1 74.0 24.3 1.6 4.4 ± 0.8 70.5 29.5
>50 130 84 ± 9.4 139 ± 20.0 68.5 31.5 5.2 ± 2.5 63.1 34.6 2.3 4.6 ± 0.9 66.2 33.9
p-value   0.365 3 0.001 3 0.001 2 0.517 3 0.212 2 0.504 3 0.502 2
Total group 517 84 ± 10.0 134 ± 18.7 55.0 46.0 4.65 ± 2.3 71.0 27.0 2.0 4.47 ± 0.85 69.6 30.4
  1. BP = blood pressure, SD = standard deviation.
  2. 1n varies due to missing values.
  3. 2Pearson Chi-squared test.
  4. 3ANOVA.