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. 2021 May 1;13(5):1529. doi: 10.3390/nu13051529

Table 2.

Medians (IQR) of urinary iodine concentration (UIC) and daily iodine intake (DII) by age class in the whole study population and by gender.

Whole Population 35–44 y, n = 521 45–54 y, n = 570 55–64 y, n = 742 65–79 y, n = 545
UIC, µg/L 49 * (24–93) 51 * (27–95) 43 * (21–83) 43 * (20–82)
DII, µg/d 97 ** (52–160) 106 ** (60–176) 92 ** (49–164) 90 ** (44–152)
Male participants 35–44 y, n = 285 45–54 y, n = 291 55–64 y, n = 377 65–79 y, n = 276
UIC, µg/L 60 * (32–103) 63 * (33–114) 47 * (24–96) 48 * (20–92)
DII, µg/d 122 ** (65–192) 127 ** (75–196) 99 ** (56–183) 95 ** (45–179)
Female participants 35–44 y, n = 236 45–54 y, n = 279 55–64 y, n = 365 65–79 y, n = 269
UIC, µg/L 39 * (19–72) 43 * (24–73) 41 * (20–72) 39 * (19–70)
DII, µg/d 81 ** (39–128) 91 ** (49–146) 81 ** (41–144) 84 ** (41–135)

* Median value below the WHO standard for adequate iodine status (100–200 µg/L). ** Median value below the EFSA and WHO/FAO daily adequate iodine intake (150 µg/day).