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Table 2 Univariate association of anthropometric parameters and physical activity with diastolic blood pressure (mm Hg) in women and men

From: Association of body weight and physical activity with blood pressure in a rural population in the Dikgale village of Limpopo Province in South Africa

Variables Women (n = 396) Men (n = 136)
  β 95% CI p -value± β 95% CI p -value±
Age (years) 0.654 0.546 0.763 0.000 0.354 0.186 0.522 0.001
Body mass index (kg/m2) 0.567 0.188 0.945 0.003 0.187 -0.530 0.905 0.606
Waist circumference (cm) 0.401 0.241 0.561 0.000 0.242 -0.032 0.515 0.082
Hip circumference (cm) 0.234 0.071 0.398 0.005 -0.039 -0.346 0.267 0.800
Waist-Hip-Ratio 70.121 40.898 99.344 0.000 59.885 21.145 98.625 0.003
Average steps/day 0.000 0.000 0.001 0.747 0.001 0.000 0.002 0.011
BMI categories(kg/m 2 )         
Underweight (< 18.5) ** ** ** ** ** ** **  
Normal weight (18.5-24.9) -17.590 -29.710 -5.469 0.005 0.127 -9.276 9.529 0.979
Overweight (25.0-29.9) -13.230 -25.519 -0.941 0.035 1.375 -10.199 12.949 0.815
Obese (≥ 30) -8.402 -20.679 3.874 0.179 1.756 -12.050 15.563 0.802
Physical activity (average steps/day)         
Sedentary (< 4999) ** ** ** ** ** ** **  
Low active (5 000-7 499) 16.755 6.247 27.263 0.002 1.385 -17.241 20.010 0.883
Moderate active (7 500-9 999) 7.545 -1.517 16.606 0.102 2.570 -10.842 15.982 0.705
Active (10 000-12 499) 9.973 1.282 18.664 0.025 0.822 -12.245 13.889 0.901
Active (≥12 500) 8.349 0.052 16.646 0.049 7.771 -4.440 19.982 0.210
  1. **First category taken as the reference group, β Regression coefficients, CI Confident interval, ±significant at ≤ 0.05