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Table 3 Univariate association of anthropometric parameters and physical activity with systolic 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±

B

95% CI

p -value±

Age (years)

0.263

0.195

0.331

0.000

0.190

0.095

0.284

0.001

Body mass index (kg/m2)

0.554

0.340

0.768

0.000

0.225

-0.176

0.626

0.269

Waist circumference (cm)

0.302

0.212

0.392

0.000

0.119

-0.035

0.272

0.128

Hip circumference (cm)

0.216

0.123

0.309

0.000

-0.073

-0.245

0.098

0.399

Waist-Hip-Ratio

40.122

23.222

57.022

0.000

40.538

19.173

61.902

0.000

Average steps/day

0.000

0.000

0.000

0.453

0.000

0.000

0.001

0.119

BMI categories(kg/m 2 )

        

Underweight (< 18.5)

**

**

**

**

**

**

**

 

Normal weight (18.5-24.9)

-9.667

-16.540

-2.795

0.006

-1.310

-6.539

3.919

0.621

Overweight (25.0-29.9)

-8.220

-15.188

-1.252

0.021

0.625

-5.812

7.062

0.848

Obese (≥ 30)

-1.145

-8.415

5.506

0.681

3.455

4.223

11.133

0.375

Physical activity (average steps/day)

        

Sedentary (< 4999)

**

**

**

**

**

**

**

 

Low active (5 000-7 499)

10.021

3.959

16.083

0.001

4.0.659

-5.733

15.052

0.377

Moderate active (7 500-9 999)

3.442

-1.785

8.670

0.196

1.083

-6.401

8.566

0.775

Active (10 000-12 499)

5.711

0.697

10.725

0.026

-2.269

-9.560

5.022

0.539

Active (≥ 12 500)

4.313

-0.473

9.100

0.077

2.652

-4.161

9.465

0.443

  1. **First category taken as the reference group, β Regression coefficients, CI Confident interval, ±significant at ≤ 0.05