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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