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Table 5 Adjusted odds ratio (95% confidence interval) of physician-assessed pubertal development per IQR (0.31 mg/L) increase in urinary fluoride concentrations in childrena

From: Fluoride exposure and pubertal development in children living in Mexico City

  Specific-gravity adjusted childhood urinary fluoride
N OR (95% CI) p-value
Boys
 Pubic hair 157 0.71 (0.51, 0.98) 0.03
 Genitalia 157 0.71 (0.53, 0.95) 0.02
 Testicular volume 157 0.90 (0.65, 1.27) 0.56
Girls
 Pubic hair 171 0.86 (0.65, 1.14) 0.29
 Breast 171 0.85 (0.63, 1.14) 0.30
  1. OR odds ratio, CI confidence interval
  2. aFor pubic hair, genitalia and breast, all estimates are from ordinal regression models. For testicular volume, all estimates are from logistic regression models. All models adjusted for child age and BMI z-score, number of siblings at birth, maternal education and marital status