Table 1.

Hair Iodine Median Derivative Concentrations for Men and Women

♂ (n=270): median (M0)=0.482 μg/g iodine						♀ (n=600): median (M0)=0.508 μg/g iodine
MDC	n	Iodine	MDC	n	Iodine	MDC	n	Iodine	MDC	n	Iodine
D1	135	0.200	U1	135	0.960	d1	300	0.200	u1	300	1.055
D2	68	0.150	U2	68	1.765	d2	150	0.150	u2	150	1.960
D3	34	0.150	U3	34	4.320	d3	75	0.150	u3	75	3.250
D4	17	0.086	U4	17	9.600	d4	38	0.083	u4	38	5.380
D5	9	0.041	U5	9	19.450	d5	19	0.031	u5	19	6.890
D6	5	0.024	U6	5	34.890	d6	10	0.015	u6	10	8.780

Common median (M₀)=0.499 μg/g iodine.

♂, men; ♀, women; MDC, median derivative concentration; D (♀) and d (♀), downward MDCs; U ♂ and u (♀), upward MDCs.