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01.12.2012 | Original investigation | Ausgabe 1/2012 Open Access

Cardiovascular Diabetology 1/2012

Association between body size and blood pressure in children from different ethnic origins

Zeitschrift:
Cardiovascular Diabetology > Ausgabe 1/2012
Autoren:
Marieke LA de Hoog, Manon van Eijsden, Karien Stronks, Reinoud JBJ Gemke, Tanja GM Vrijkotte
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1475-2840-11-136) contains supplementary material, which is available to authorized users.

Competing interest

The authors declare that they have no competing interest.

Authors’ contributions

MdH and TV developed the concept of the present study as part of the ABCD-study. MdH conducted the analyses and drafted the manuscript. All authors provided statistical advice, contributed to interpreting the results and writing the article. All authors read and approved the final manuscript.

Abstract

Objective

To assess associations between body size and blood pressure in children (5-6 years) from different ethnic origins.

Method

Five ethnic groups of the ABCD cohort were examined: Dutch (n=1 923), Turkish (n=99), Moroccan (n=187), Black-African (n=67) and Black-Caribbean (n=121). Data on body-mass-index (BMI), waist-to-height ratio (WHtR), fat-mass-index (FMI), and systolic blood pressure (SBP) and diastolic blood pressure (DBP), were collected. Linear regression analysis with restricted cubic splines was used to examine non-linear associations between body size and blood pressure, adjusted for age, sex, height and birth weight.

Results

Ethnic differences were found in associations of BMI with SBP and DBP (SBP: p=0.001 and DBP: p=0.01) and FMI with SBP (p=0.03). BMI and FMI had a relatively large positive association with SBP in Turkish children (BMI: β=2.46mmHg; 95%CI:1.20-3.72; FMI: β=2.41mmHg; 95%CI:1.09-3.73) compared to Dutch (BMI: β=1.31mmHg; 95%CI:0.71-1.92; FMI: β=0.84mmHg; 95%CI:0.23-1.45). Black-Caribbean and Moroccan children showed high blood pressure with low BMI and FMI. Moroccan children showed higher SBP with high BMI and FMI. WHtR was positively associated with SBP and DBP, similar in all ethnic groups. Generally, strongest associations with blood pressure were found for BMI in all ethnic groups.

Conclusion

Ethnic-specific associations between BMI, and FMI and blood pressure are present at young age, with Turkish children showing the highest increase in blood pressure with increasing body size. The higher blood pressure in the Black-Caribbean and Moroccan children with low BMI needs further research. WHtR or FMI do not seem to be associated more strongly to blood pressure than BMI in any ethnic group.
Zusatzmaterial
Authors’ original file for figure 1
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Authors’ original file for figure 2
12933_2012_541_MOESM2_ESM.pdf
Authors’ original file for figure 3
12933_2012_541_MOESM3_ESM.pdf
Authors’ original file for figure 4
12933_2012_541_MOESM4_ESM.pdf
Literatur
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