Body mass index, waist circumference, and arterial hypertension in
               students

this was a cross-sectional study with 286 students between the ages of 10 and 14 from two private schools in the city of Paranavaí, Paraná, Brazil. The following variables were analyzed: body mass index, waist circumference and blood pressure. Statistical analysis was conducted with Pearson’s partial correlation test and multivariate logistic regression, with p<0.05.

Results:

both anthropometric indicators displayed weak correlation with systolic and diastolic levels, with coeffi cients (r) ranging from 0.27 to 0.36 (p < 0.001). Multivariate analysis showed that the only anthropometric indicator associated with arterial hypertension was waist circumference (OR= 2.3; 95% CI: 1.1-4.5), regardless of age or gender.

Conclusion:

this age group, waist circumference appeared to be a better predictor for arterial hypertension than body mass index.

Key words:
Anthropometry; Arterial Pressure; Adolescent Health

	Mean ± SD
Variables	Male (n=149)	Female (n=137)	p-value
Age (years)	12,3 ± 1,23	12,0 ± 1,14	0,245
Mass (kg)	53,0 ± 11,70	48,4 ± 11,84	0,031^* * Significant values for p≤0.05.
Height (cm)	1,58 ± 0,10	1,54 ± 0,08	0,043^* * Significant values for p≤0.05.
BMI (kg/m2)	21,23 ± 3,61	20,3 ± 3,86	0,296
WC (cm)	75,3 ± 10,92	69,6 ± 9,51	0,004^* * Significant values for p≤0.05.
SBP (mmHg)	110,9 ± 17,4	108,4 ± 14,6	0,581
DBP (mmHg)	64,2 ± 8,47	61,0 ± 8,43	0,728

Variables	IMC	PAS	PAD	C.C
IMC	-	0,27^* * Significant correlations at p≤ 0.001.	0,29^* * Significant correlations at p≤ 0.001.	0,84^* * Significant correlations at p≤ 0.001.
PAS	0,27^* * Significant correlations at p≤ 0.001.	-	0,51^* * Significant correlations at p≤ 0.001.	0,36^* * Significant correlations at p≤ 0.001.
PAD	0,29^* * Significant correlations at p≤ 0.001.	0,51^* * Significant correlations at p≤ 0.001.	-	0,36^* * Correlações significativas ao nível de p≤ 0,001.
C.C	0,84^* * Significant correlations at p≤ 0.001.	0,36^* * Significant correlations at p≤ 0.001.	0,36^* * Significant correlations at p≤ 0.001.	-

Variables		Adjusted odds ratio (95% CI)
Gender	Male	1
Gender	Female	1,1 (0,6 - 2,0)
Age	10 years	1
	11 years	0,7 (0,2 - 1,9)
	12 years	1,1 (0,4 - 3,2)
	13 years	1,8 (0,7 - 5,0)
	14 years	1,5 (0,5 - 4,4)
BMI	Eutrophic	1
BMI	Overweight	1,8 (0,9 - 3,6)
WC	< 75°	1
WC	≥ 75°	2,3 (1,1 - 4,5)^* * Significant association at p≤ 0.05.

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[1] CORRESPONDING AUTHOR: Flávio Ricardo Guilherme E-mail: flavioricardoguilherme@bol.com.br