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Body mass index, waist circumference and body fat are positively correlated with hair cortisol in children: A systematic review and meta‐analysis
Author(s) -
Ling Jiying,
Kao TsuiSui Annie,
Robbins Lorraine B.
Publication year - 2020
Publication title -
obesity reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.845
H-Index - 162
eISSN - 1467-789X
pISSN - 1467-7881
DOI - 10.1111/obr.13050
Subject(s) - waist , body mass index , meta analysis , medicine , cinahl , moderation , anthropometry , confidence interval , psycinfo , circumference , cochrane library , demography , endocrinology , medline , psychology , biology , psychiatry , psychological intervention , geometry , mathematics , social psychology , biochemistry , sociology
Summary The current body of research lacks a meta‐analysis of the relationship between hair cortisol concentration (HCC) and anthropometry in children. Therefore, this systematic review and meta‐analysis was conducted to examine this relationship and explore possible moderators between HCC and body mass index (BMI/BMI z ‐score). Eleven databases were searched: CINAHL, Cochrane, Embase, PsycEXTRA, Psychology and Behavioral Sciences, PsycINFO, PubMed, Scopus, Social Sciences Full Text, Sociological Abstracts and Web of Sciences. Random‐effects models and exploratory moderator analyses with mixed‐effects models were performed using the Comprehensive Meta‐Analysis software. The meta‐analysis showed small positive correlations between HCC and BMI ( r = 0.08, 95% confidence interval [CI]: 0.02, 0.14, n = 18, p = .009), BMI z ‐score ( r = 0.10, 95% CI: 0.03, 0.16, n = 12, p = .003), waist circumference ( r = 0.10, 95% CI: 0.04, 0.17, n = 10, p = .001) and body fat including fat mass index ( r = 0.06, 95% CI: 0.02, 0.11, n = 3, p = .005). The relationship between HCC and BMI/BMI z ‐score was significantly moderated by children's sex. Results from this meta‐analysis provide initial objective support for a small positive relationship between HCC and anthropometric factors.