Obesity has a positive association with sexual maturation in girls, while in boys, obesity has a negative association, Dr. Youfa Wang, from the University of Illinois at Chicago, reports in the November issue of Pediatrics.
Dr. Wang collected data on 1501 girls and 1520 boys, 8 to 14 years of age, who were participants in the Third National Health and Nutrition Examination Survey. Complete data on sexual maturation and weight, height and skinfold thickness were available for this cohort. “I used multiple measures of adiposity,” Dr. Wang told Reuters Health. “I used both body mass index (BMI) and skinfold thickness (triceps, subscapular, suprailiac, and thigh).
And many important confounders and covariates were controlled for in our analysis,” Dr. Wang added. Dr. Wang found that the prevalence of obesity in girls who matured early was 34.4% versus 23.2% for non-obese girls. For boys, the corresponding figures were 22.6% versus 31.6%.
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