Obesity as a Mediator between Cardiorespiratory Fitness and Blood Pressure in Preschoolers
Copyright © 2016 Elsevier Inc. All rights reserved..
OBJECTIVES: To analyze the relationships between body mass index (BMI), cardiorespiratory fitness (CRF), and blood pressure (BP), and to examine whether obesity acts as a mediator between fitness and BP in children.
STUDY DESIGN: A cross-sectional analysis using a population-based sample of 1604 school children aged 4-7 years attending 21 schools from the provinces of Ciudad Real and Cuenca, Spain, was undertaken. Data on anthropometric variables, BP measurements, and CRF were collected. The relationships between body composition (BMI, percent body fat, and waist circumference), CRF, and mean arterial pressure was estimated using Pearson correlation coefficients. ANCOVA tested the differences in BP measurements by categories of BMI and CRF, controlling for different sets of confounders. The PROCESS macro developed by Preacher and Hayes was used for mediation analysis.
RESULTS: BP values were significantly higher in school children with excess weight and poorer CRF. In addition, BMI acts as a full mediator in the association between CRF and mean arterial pressure in boys at 62.28% (z = -5.433; P ≤ .001) and a partial mediator in girls at 35.24% (z = -5.246; P ≤ .001).
CONCLUSIONS: BMI mediates the relationship between CRF and mean arterial pressure. These findings highlight the importance of maintaining a healthy weight for the prevention of high BP levels in childhood.
TRIAL REGISTRATION: ClinicalTrials.gov: NCT01971840.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2017 |
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| Erschienen: |
2017 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:182 |
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| Enthalten in: |
The Journal of pediatrics - 182(2017) vom: 15. März, Seite 114-119.e2 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pozuelo-Carrascosa, Diana P [VerfasserIn] |
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| Links: |
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| Themen: |
Blood pressure |
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| Anmerkungen: |
Date Completed 31.05.2017 Date Revised 08.04.2022 published: Print-Electronic ClinicalTrials.gov: NCT01971840 Citation Status MEDLINE |
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| doi: |
10.1016/j.jpeds.2016.11.005 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM266776833 |
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| 500 | |a Date Revised 08.04.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a ClinicalTrials.gov: NCT01971840 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2016 Elsevier Inc. All rights reserved. | ||
| 520 | |a OBJECTIVES: To analyze the relationships between body mass index (BMI), cardiorespiratory fitness (CRF), and blood pressure (BP), and to examine whether obesity acts as a mediator between fitness and BP in children | ||
| 520 | |a STUDY DESIGN: A cross-sectional analysis using a population-based sample of 1604 school children aged 4-7 years attending 21 schools from the provinces of Ciudad Real and Cuenca, Spain, was undertaken. Data on anthropometric variables, BP measurements, and CRF were collected. The relationships between body composition (BMI, percent body fat, and waist circumference), CRF, and mean arterial pressure was estimated using Pearson correlation coefficients. ANCOVA tested the differences in BP measurements by categories of BMI and CRF, controlling for different sets of confounders. The PROCESS macro developed by Preacher and Hayes was used for mediation analysis | ||
| 520 | |a RESULTS: BP values were significantly higher in school children with excess weight and poorer CRF. In addition, BMI acts as a full mediator in the association between CRF and mean arterial pressure in boys at 62.28% (z = -5.433; P ≤ .001) and a partial mediator in girls at 35.24% (z = -5.246; P ≤ .001) | ||
| 520 | |a CONCLUSIONS: BMI mediates the relationship between CRF and mean arterial pressure. These findings highlight the importance of maintaining a healthy weight for the prevention of high BP levels in childhood | ||
| 520 | |a TRIAL REGISTRATION: ClinicalTrials.gov: NCT01971840 | ||
| 650 | 4 | |a Clinical Trial | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a blood pressure | |
| 650 | 4 | |a cardiorespiratory fitness | |
| 650 | 4 | |a children | |
| 650 | 4 | |a mediation analysis | |
| 650 | 4 | |a obesity | |
| 700 | 1 | |a Sánchez-López, Mairena |e verfasserin |4 aut | |
| 700 | 1 | |a Cavero-Redondo, Iván |e verfasserin |4 aut | |
| 700 | 1 | |a Torres-Costoso, Ana |e verfasserin |4 aut | |
| 700 | 1 | |a Bermejo-Cantarero, Alberto |e verfasserin |4 aut | |
| 700 | 1 | |a Martínez-Vizcaíno, Vicente |e verfasserin |4 aut | |
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