NDLI: Comparison between grip strength and relative grip strength in their relationship with allostatic load among adolescents

Content Provider	Springer Nature : BioMed Central
Author	Xu, Huiqiong Wang, Xi Xiao, Wan Xie, Yang Zhang, Xinyu Xu, Shaojun Wan, Yuhui Tao, Fangbiao
Abstract	Purpose To assess the associations of muscle strength, measure by grip strength and relative grip strength (grip strength divided by body weight), on the allostatic load (AL) index in adolescent boys and girls. Methods A total of 1,323 students were recruited (boys = 776, girls = 547). Data on general demographic characteristics, anthropometric indicators, grip strength, blood pressure, pulse rate, and biological samples were collected. A 20-indicator-based AL index (using the AL1, AL2, and AL3 calculation methods) was used as the dependent variable. Multiple linear regression models were used to evaluate the association between grip strength, relative grip strength, and AL. All analyses were stratified by sex. Results The mean age of the participants was 14.17 ± 1.45 years. Overall, the linear regression model adjusting for demografic characteristics showed that greater grip strength was associated with higher AL1 scores (R2 = 10.1%, β = 0.096, P < 0.001). Then, we further adjusted for body weight, and negative associations were observed between grip strength and AL1 (R2 = 35.3%, β = -0.027, P = 0.030). However, after sex stratification, this association was not statistically significant in girls. Moreover, relative grip strength was negatively associated with AL1 (R2 = 14.8%, β = -8.529, P < 0.001) after adjusting for demographic characteristics in the total sample. Specifically, relative grip strength was more strongly associated with the AL1 burden in boys than in girls. Finally, sensitivity analyses of AL2 and AL3 yielded similar results. Conclusion We observed that compared with grip strength, relative grip strength might be a useful indicator for the identification of AL burden in adolescents. The results suggest that strengthening relative handgrip strength in adolescents might help reduce the AL burden, especially in boys.
Related Links	https://bmcpublichealth.biomedcentral.com/counter/pdf/10.1186/s12889-024-20129-0.pdf
Ending Page	9
Page Count	9
Starting Page	1
File Format	HTM / HTML
ISSN	14712458
DOI	10.1186/s12889-024-20129-0
Journal	BMC Public Health
Issue Number	1
Volume Number	24
Language	English
Publisher	BioMed Central
Publisher Date	2024-09-27
Access Restriction	Open
Subject Keyword	Public Health Medicine Epidemiology Biostatistics Vaccine Environmental Health Grip strength Alloatatic load Biomarkers Adolescent Sex Medicine/Public Health
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health
Journal Impact Factor	3.5/2023
5-Year Journal Impact Factor	3.9/2023

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