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Open AccessArticle

Knowledge about Iodine in Pregnant and Lactating Women in the Oslo Area, Norway

Department of Nursing and Health Promotion, Faculty of Health Sciences, Oslo and Akershus University College of Applied Sciences, 0130 Oslo, Norway
Department of Environmental Exposure and Epidemiology, Norwegian Institute of Public Health, 0403 Oslo, Norway
Author to whom correspondence should be addressed.
Nutrients 2017, 9(5), 493;
Received: 3 April 2017 / Revised: 11 May 2017 / Accepted: 11 May 2017 / Published: 13 May 2017
Background: Lack of knowledge about iodine may be a risk factor for iodine deficiency in pregnant and lactating women. The aim of this study was to assess knowledge about iodine and predictors of iodine knowledge scores among pregnant and lactating women. The study also examined whether iodine knowledge scores were associated with iodine status. Methods: A cross-sectional study was performed on 804 pregnant women and 175 lactating women from 18 to 44 years of age in 2016 in the Oslo area, Norway. Knowledge about iodine was collected through a self-administered, paper-based questionnaire. Iodine concentrations in urine and breast milk were measured using an inductively coupled plasma mass spectrometer (ICPMS). Results: 74% of the pregnant women and 55% of the lactating women achieved none to low iodine knowledge scores. Higher educated pregnant women and those who had received information about iodine had significantly higher knowledge scores. In lactating women, increased age was associated with higher knowledge scores. Knowledge scores were not associated with participants’ iodine status. Conclusion: This study revealed a lack of knowledge about the importance of iodine in pregnant and lactating women, as well as about the most important dietary sources. Public education initiatives are required to increase the awareness about iodine in these population groups. View Full-Text
Keywords: iodine; knowledge; iodine status; pregnancy; lactation iodine; knowledge; iodine status; pregnancy; lactation
MDPI and ACS Style

Garnweidner-Holme, L.; Aakre, I.; Lilleengen, A.M.; Brantsæter, A.L.; Henjum, S. Knowledge about Iodine in Pregnant and Lactating Women in the Oslo Area, Norway. Nutrients 2017, 9, 493.

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