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Factors affecting iron status in non-pregnant women from urban south Finland.
Eur J Clin Nutr. 1993 Aug; 47(8):567-74.EJ

Abstract

Iron status was evaluated in 446 non-pregnant urban Finnish women, aged 17-50 years. The mean results (95% ranges) for blood haemoglobin concentrations, mean corpuscular volumes (MCV) and serum ferritin concentrations were 139 g/l (121-155), 89 fl (79-97) and 28 micrograms/l (7-120), respectively. Serum ferritin was < 12 and < 20 micrograms/l in 11% and 30% of the subjects, respectively. In analyses of covariance, high frequency of menstruation, prolonged menstrual bleeding time, blood donation and use of intrauterine devices had negative effects (P < 0.05) on iron status. Dietary habits or participation in very hard physical exercise did not affect iron status. Factors predicting low iron stores were evaluated in a logistic regression analysis. Blood donation (odds ratio and its 95% confidence interval: 2.53; 1.22-4.82) and very prolonged (> or = 8 days) menstrual bleeding (4.93; 1.63-14.9) increased the likelihood for low serum ferritin, whereas daily physical activity (0.02; 0.01-0.88) and use of multivitamin and mineral supplements (0.57; 0.33-0.98) were associated with higher concentration. In conclusion, blood losses increase the risk for iron depletion, while higher physical activity (presumably because of the positive effects on energy and iron intake) may prevent iron depletion.

Authors+Show Affiliations

University of Helsinki, Department of Applied Chemistry and Microbiology, Finland.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

8404793

Citation

Fogelholm, M, et al. "Factors Affecting Iron Status in Non-pregnant Women From Urban South Finland." European Journal of Clinical Nutrition, vol. 47, no. 8, 1993, pp. 567-74.
Fogelholm M, Alopaeus K, Silvennoinen T, et al. Factors affecting iron status in non-pregnant women from urban south Finland. Eur J Clin Nutr. 1993;47(8):567-74.
Fogelholm, M., Alopaeus, K., Silvennoinen, T., & Teirila, J. (1993). Factors affecting iron status in non-pregnant women from urban south Finland. European Journal of Clinical Nutrition, 47(8), 567-74.
Fogelholm M, et al. Factors Affecting Iron Status in Non-pregnant Women From Urban South Finland. Eur J Clin Nutr. 1993;47(8):567-74. PubMed PMID: 8404793.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Factors affecting iron status in non-pregnant women from urban south Finland. AU - Fogelholm,M, AU - Alopaeus,K, AU - Silvennoinen,T, AU - Teirila,J, PY - 1993/8/1/pubmed PY - 1993/8/1/medline PY - 1993/8/1/entrez SP - 567 EP - 74 JF - European journal of clinical nutrition JO - Eur J Clin Nutr VL - 47 IS - 8 N2 - Iron status was evaluated in 446 non-pregnant urban Finnish women, aged 17-50 years. The mean results (95% ranges) for blood haemoglobin concentrations, mean corpuscular volumes (MCV) and serum ferritin concentrations were 139 g/l (121-155), 89 fl (79-97) and 28 micrograms/l (7-120), respectively. Serum ferritin was < 12 and < 20 micrograms/l in 11% and 30% of the subjects, respectively. In analyses of covariance, high frequency of menstruation, prolonged menstrual bleeding time, blood donation and use of intrauterine devices had negative effects (P < 0.05) on iron status. Dietary habits or participation in very hard physical exercise did not affect iron status. Factors predicting low iron stores were evaluated in a logistic regression analysis. Blood donation (odds ratio and its 95% confidence interval: 2.53; 1.22-4.82) and very prolonged (> or = 8 days) menstrual bleeding (4.93; 1.63-14.9) increased the likelihood for low serum ferritin, whereas daily physical activity (0.02; 0.01-0.88) and use of multivitamin and mineral supplements (0.57; 0.33-0.98) were associated with higher concentration. In conclusion, blood losses increase the risk for iron depletion, while higher physical activity (presumably because of the positive effects on energy and iron intake) may prevent iron depletion. SN - 0954-3007 UR - https://www.unboundmedicine.com/medline/citation/8404793/Factors_affecting_iron_status_in_non_pregnant_women_from_urban_south_Finland_ DB - PRIME DP - Unbound Medicine ER -