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Publication Detail

Title: Validity of Self-Assessed Sexual Maturation Against Physician Assessments and Hormone Levels.

Authors: Chavarro, Jorge E; Watkins, Deborah J; Afeiche, Myriam C; Zhang, Zhenzhen; Sánchez, Brisa N; Cantonwine, David; Mercado-García, Adriana; Blank-Goldenberg, Clara; Meeker, John D; Téllez-Rojo, Martha María; Peterson, Karen E

Published In J Pediatr, (2017 Jul)

Abstract: To compare self-report and physician assessments of sexual maturation against serum hormone markers to evaluate the hypothesis that the validity of self-assessed sexual maturation is underestimated in traditional validation studies.We adapted a self-assessment instrument that 248 Mexican children and adolescents, aged 8-13 years, completed. The participants were examined by a trained pediatrician and provided fasting blood samples for measurement of reproductive hormones (eg, testosterone, estradiol, sex hormone-binding globulin, inhibin B) and other hormones (eg, C-peptide, insulin-like growth factor 1, leptin, dehydroepiandrosterone sulfate) known to change during adolescence. Spearman correlations (r) were calculated among the average rank of all hormones and self-assessed and physician-assessed Tanner stage. The method of triads was used to assess the validity of self-reports by estimating correlations between self-assessments and true but unobservable sexual maturation based on all available data. Bootstrap sampling was used to construct 95% CIs.The validity of self-reported genitalia staging for boys was modest (r = 0.50; 95% CI,  0.31-0.65) and inferior to physician assessment (r = 0.75; 95% CI, 0.56-0.93). Breast stage was well reported (r = 0.89; 95% CI, 0.79-0.97) and superior to physician assessment (r = 0.80; 95% CI, 0.70-0.89). Pubic hair stage reported by boys (r = 0.91; 95% CI, 0.79-0.99) and girls (r = 0.99; 95% CI, 0.96-1.00) was superior to physician assessment (r = 0.79; 95% CI, 0.57-0.97 and r = 0.91; 95% CI, 0.83-0.97, respectively).Self-assessment can be validly used in epidemiologic studies for evaluating sexual maturation in children; however, physician assessment may be necessary for accurate assessment of genitalia development in boys.

PubMed ID: 28438374 Exiting the NIEHS site

MeSH Terms: Adolescent; Adolescent Development; Child; Cohort Studies; Female; Gonadal Steroid Hormones/blood*; Humans; Male; Predictive Value of Tests; Puberty; Reproducibility of Results; Self-Assessment*; Sexual Maturation*

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