F- and I


	Antagonism - Ratios


	Cycle 3 - Data for age group 20-39 (All - no exclusions) See also: F- and I ratios

	Males	Females
UFUC Fluoride adjusted for urine creatinine (µmol/mmol)	2.0	2.80	0.714
Iodine/Creatinine Ratio (nmol/mmol)	72 (63)	99 (88)	0.727


	90th Percentile

	Males	Females
UFUC Fluoride adjusted for urine creatinine (µmol/mmol)	5	5.80	0.86
Iodine/Creatinine Ratio (nmol/mmol)	205E	225	0.91


	75th Percentile

	Males	Females
UFUC Fluoride adjusted for urine creatinine (µmol/mmol)	2.90	4.10	0.70
Iodine/Creatinine Ratio (nmol/mmol)	103	150	0.68


	50th Percentile

	Males	Females
UFUC Fluoride adjusted for urine creatinine (µmol/mmol)	1.70	2.70	0.62
Iodine/Creatinine Ratio (nmol/mmol)	70	94	0.74


	25th Percentile

	Males	Females
UFUC Fluoride adjusted for urine creatinine (µmol/mmol)	1.20	1.90	0.63
Iodine/Creatinine Ratio (nmol/mmol)	43	65	0.66


	10th Percentile

	Males	Females
UFUC Fluoride adjusted for urine creatinine (µmol/mmol)	0.93	1.30	0.71
Iodine/Creatinine Ratio (nmol/mmol)	29E	44	0.65E


	Children 6 - 11

	Males	Females
UFUC Fluoride adjusted for urine creatinine (µmol/mmol)	3.20	2.80	1.14
Iodine/Creatinine Ratio (nmol/mmol)	198	162	1.22


	Teenagers 12-19

	Males	Females
UFUC Fluoride adjusted for urine creatinine (µmol/mmol)	2.40	1.80	1.33
Iodine/Creatinine Ratio (nmol/mmol)	90	102	0.88

Statistics Canada - Hormone measures of the household population

Statistics Canada, Canadian Health Measures Survey (CHMS) Data User Guide: Cycle 3. Ottawa, ON (2015)
https://www.statcan.gc.ca/eng/start

E = Use with Caution


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