Studies since 2005 on South African primary schoolchildren suggest lower anaemia prevalence in some regions

The objective of this study was to report on the iron status of South African primary schoolchildren, as reported in independent studies conducted since the last National Food Consumption Survey-Fortification Baseline (NFCS-FB) in 2005. Internet searches were conducted for cross-sectional and random...

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Bibliographic Details
Published in:	The South African journal of clinical nutrition Vol. 26; no. 4; pp. 168 - 175
Main Authors:	Taljaard, C, Covic, Nm, Van Graan, A, Kruger, Hs, Jerling, Jc
Format:	Journal Article
Language:	English
Published:	Taylor & Francis 01-01-2013
Subjects:	anaemia independent studies iron status primary schoolchildren South Africa
Online Access:	Get full text
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Summary:	The objective of this study was to report on the iron status of South African primary schoolchildren, as reported in independent studies conducted since the last National Food Consumption Survey-Fortification Baseline (NFCS-FB) in 2005. Internet searches were conducted for cross-sectional and randomised controlled trials that reported on the iron status of South African primary schoolchildren, published after the NFCS-FB of 2005. Search engines that were used included Science Direct, Sabinet, PubMed, EBSCOhost (Academic Search Premier, Health Source and Medline) and Web of Knowledge. The search terms in different combinations were "South Africa", "children", "iron", "anaemia", "iron deficiency", "micronutrient", "malnutrition" and "nutritional status". Secondary analysis was carried out on the NFCS-FB data on children aged 7-9 years at provincial level. Outcome measures used were haemoglobin (Hb) and serum ferritin. The search identified four independent studies that were conducted in four different provinces: KwaZulu-Natal, North West, Western Cape and Northern Cape. All four were conducted in low socio-economic areas and selected children with poor iron status for intervention purposes. The studies reported an anaemia prevalence lower than that of the NFCS-FB: 11.5% vs. 14.4%, KwaZulu-Natal; 6.9% vs. 27%, North West; 17.2% vs. 18.8%, Western Cape; and 5.4% vs. 22.2%, Northern Cape. Serum ferritin was more difficult to interpret because different cut-off points were used.Anaemia prevalence, based on Hb concentration in primary schoolchildren, might have improved in some regions since the NFCS-FB. Regular national surveys are recommended to ensure that the iron status of South African primary schoolchildren is kept under surveillance.
ISSN:	1607-0658 2221-1268
DOI:	10.1080/16070658.2013.11734468