Fluoride exposure and pubertal development in children living in Mexico City

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 children^a

	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

OR odds ratio, CI confidence interval
^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

ISSN: 1476-069X