Distribution of Body Composition Index and the Relationship With Blood Pressure Among Children Aged 7 to 12 Years in Shandong, China
Asia-Pacific Journal of Public Health (Impact Factor: 1.46). 04/2012; 24(6). DOI: 10.1177/1010539511410416
Body mass index (BMI) is widely used to assess the prevalence of childhood obesity in populations, and the relationship of BMI with blood pressure has been observed. However, no study has reported on the distribution of body composition index and the relationship with blood pressure. The present study examined the distribution of body composition index and the relationship with blood pressure among children aged 7 to 12 years in Shandong, China. A total of 4326 students (2165 boys and 2161 girls) aged 7 to 12 years participated in this study. Height, weight, skinfold thickness, and blood pressure of all the subjects were measured. Body fat percentage (BF%) was calculated by regression equation, and fat mass index (FMI) and fat-free mass index (FFMI) were calculated according to following expressions: FMI = BF% × weight/height(2) and FFMI = (weight - BF% × weight)/height(2). The 50th percentile values of FMI and FFMI increased with age in both sexes. The mean values of FFMI were significantly higher in boys than in girls (P < .01), but no statistically significant differences in mean FMI between the 2 sexes were observed (P > .05). Both systolic blood pressure and diastolic blood pressure were significantly positively related to FMI and FFMI in both boys and girls (P < .05). FMI and FFMI are potentially useful in evaluating the body composition of individuals with different stature. There is a strong positive relationship between FMI and blood pressure in children; these findings emphasize the importance of the prevention of obesity in children and adolescents.
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ABSTRACT: To determine whether arch height has an effect on the health-related quality of life of schoolchildren. One hundred and thirteen schoolchildren attended an out-patient centre where self-reported data were recorded, their feet were classified into one of three groups according to their arch index (high, normal or low) and the scores obtained from the Foot Health Status Questionnaire (FHSQ - Spanish version) were compared. The groups with high, low and normal arch recorded lower scores in Section One for the general foot health and footwear domains and higher scores in foot pain and foot function. In Section Two they obtained lower scores in general health and higher scores in physical activity, social capacity and vigour. Comparison of the scores obtained reveals that arch height has a negative impact on quality of life. Given the limited extent of available evidence in respect of the aetiology and treatment of foot diseases and deformities, these findings reveal the need to implement programmes to promote foot health and carry out further research into this commonly occurring disabling condition.
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