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Table 5 Associations between categories of BMI, WC and prehypertension and hypertension (univariate and multivariate analyses)

From: Association between obesity and high blood pressure among Lithuanian adolescents: a cross-sectional study

Variables

Prehypertension

Hypertension

OR(95% CI)

aOR1(95% CI)

OR(95% CI)

aOR1(95% CI)

Boys

    

BMI categories:

    

Normal weight

1.00

1.00

1.00

1.00

Overweight

2.27 (1.72–2.99)

2.85(2.12–3.84)

3.29(2.65–4.08)

3.83(3.06–4.79)

Obesity

3.32(1.78–6.21)

4.46(2.27–8.75)

5.55(3.37–9.12)

6.52(3.91–10.88)

WC percentile categories:

    

<75th

1.00

1.00

1.00

1.00

75th– < 90th

2.76(1.98–3.85)

3.80(2.64–5.46)

3.73(2.86–4.87)

4.67(3.53–6.16)

≥90th

4.44(2.13–9.26)

6.10(2.76–13.45)

7.61(4.16–13.89)

9.95(5.37–18.42)

Girls

    

BMI categories:

    

Normal weight

1.00

1.00

1.00

1.00

Overweight

2.43(1.81–3.27)

2.52(1.87–3.40)

3.35(2.64–4.26)

3.40(2.67–4.33)

Obesity

4.71(2.63–8.43)

5.17(2.86–9.32)

6.50(3.98–10.61)

6.67(4.08–10.91)

WC percentile categories:

    

<75th

1.00

1.00

1.00

1.00

75th– < 90th

2.49(1.70–3.66)

2.70(1.83–3.99)

3.13(2.28–4.30)

3.23(2.35–4.45)

≥90th

1.85NS(0.80–4.28)

2.41(1.03–5.61)

5.28(3.09–9.03)

5.56(3.24–9.53)

 

OR(95% CI)

aOR 2 (95% CI)

OR(95% CI)

aOR 2 (95% CI)

All participants

    

BMI categories:

    

Normal weight

1.00

1.00

1.00

1.00

Overweight

2.41(1.97–2.94)

2.62(2.13–3.23)

3.45(2.95–4.04)

3.56(3.02–4.19)

Obesity

3.98(2.60–6.09)

4.81(3.08–7.52)

6.04(4.28–8.51)

6.64(4.65–9.49)

WC percentile categories:

    

<75th

1.00

1.00

1.00

1.00

75th– < 90th

2.76(2.15–3.53)

3.16(2.43–4.10)

3.73(3.06–4.55)

3.92(3.18–4.82)

≥90th

2.97(1.76–5.01)

4.08(2.35–7.10)

6.21(4.23–9.13)

7.41(4.97–11.05)

  1. BMI – body mass index, WC – waist circumference.
  2. OR – odds ratio; aOR1 – adjusted odds ratio for age; aOR2 – adjusted odds ratio for age and sex; CI – confidence interval.
  3. All results were significant at p < 0.001, except when noted (NS – not significant).
  4. The overall significance levels of the multiple logistic regression models were p < 0.001.