Xikombiso G. Mbhenyane

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BACKGROUND Vitamin A (VA) deficiency (VAD) and iodine deficiency (ID) often coexist in children in Africa. VAD may affect thyroid function and the response to iodine prophylaxis. OBJECTIVE The aim was to investigate the effects of supplementation with iodine or VA alone, and in combination, in children with concurrent VAD and ID. DESIGN A 6-mo(More)
OBJECTIVES Children under the age of 5 y constitute the most vulnerable group for iron and zinc deficiencies and their nutritional status is a sensitive indicator of community health and nutrition. The aim of this study was to determine the prevalence of zinc and iron deficiency among preschool children aged 3 to 5 y in Vhembe district, Limpopo province,(More)
CONTEXT Iodine deficiency in utero impairs fetal growth, but the relationship between iodine deficiency and postnatal growth is less clear. OBJECTIVE The objective of the study was to determine whether iodine repletion improves somatic growth in iodine-deficient children and investigate the role of IGF-I and IGF binding protein (IGFBP)-3 in this effect.(More)
BACKGROUND Chronic iodine deficiency (ID) increases thyrotropin (TSH) concentrations and produces a thyroid hormone pattern consistent with subclinical hypothyroidism (ScH). ScH may be associated with cardiovascular disease risk factors. Thus, the study aim was to determine if iodine treatment of children with elevated TSH concentrations due to ID would(More)
The aim of this study was to determine knowledge and practices of pre-school teachers on growth monitoring. A quasi-experimental, one-group pre- and post-test intervention study was conducted in eight conveniently selected government subsidized pre-schools in Vhembe and Mopani districts of Limpopo Province, South Africa. Fifteen pre-school teachers(More)
OBJECTIVES The present paper aims to review and report on the current and predicted future public health nutrition workforce in South Africa. Additionally, it examines ways in which the Department of Health (DOH) is striving to meet the increasing burden of nutrition-related diseases in South Africa. METHODS The primary sources of data used for the review(More)
OBJECTIVE To evaluate the successes and shortcomings of the community service programme implemented by the Department of Health (DOH) in South Africa by evaluating community service dietitians' experiences and challenges during the 2009 community service year. DESIGN The study employed both quantitative and qualitative research designs. A national survey(More)
A quasi-experimental one group pretest/posttest design study was undertaken in two primary schools from two rural villages of Vhembe District in Limpopo Province, South Africa. About 172 children aged 9-14 years in Grades 5 and 6 were recruited for the study. All children in the grades were invited to participate pending written consent from parents and(More)
The aim of this study was to determine whether dietitians in South Africa are competent to meet the requirements of working in a health care setting during a compulsory one-year community service (CS) program immediately after receiving their degree. A national survey was conducted using questionnaires to illicit information from dietitians on their(More)
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