Martha E van Stuijvenberg1, Jana Nel2, Serina E Schoeman3, Carl J Lombard4, Lisanne M du Plessis5, Muhammad A Dhansay6. 1. Nutritional Intervention Research Unit, South African Medical Research Council, Cape Town, South Africa; Currently Non-communicable Diseases Research Unit, South African Medical Research Council, Tygerberg, South Africa. Electronic address: Lize.van.stuijvenberg@mrc.ac.za. 2. Integrated Nutrition Programme, Department of Health, Northern Cape, South Africa. 3. Nutritional Intervention Research Unit, South African Medical Research Council, Cape Town, South Africa. 4. Biostatistics Unit, South African Medical Research Council, Cape Town, South Africa. 5. Division of Human Nutrition, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa. 6. Nutritional Intervention Research Unit, South African Medical Research Council, Cape Town, South Africa; Division of Human Nutrition, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa; Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa.
Abstract
OBJECTIVES: This cross-sectional study examined the nutritional factors associated with the high levels of stunting in 2- to 5-y-old children in an impoverished South African setting where liver is frequently eaten and vitamin A deficiency known to be absent. METHODS: Children's dietary intake was assessed by a single 24-h recall. Heights and weights were measured and information was obtained on breast-feeding history, the child's habitual milk intake, as well as substance use by the mother during pregnancy (n = 150). RESULTS: The overall prevalence of stunting was 36.9% (CI 29.2, 44.6) and increased with age, being 49% in the 4- to 5-y-old age category. Birth weight correlated significantly with height-for-age z-scores (HAZ; r = 0.250, P = 0.003), and was lower in children whose mothers smoked and used alcohol during pregnancy than in children whose mothers abstained (P < 0.0001). Median intake of energy, carbohydrate and protein was adequate. Median intake for all micronutrients was at least 90% of the estimated average requirement, except for calcium, vitamin D and vitamin E, which was 21%, 15%, and 32%, respectively. Intake of fat, calcium, phosphorous, vitamin D, riboflavin, and vitamin B12 (nutrients that typically occur in milk) was significantly lower in stunted than in non-stunted children (P < 0.05). When excluding children with low birth weight, intake of calcium, vitamin D, and riboflavin were still significantly lower (P < 0.05). HAZ was higher in children who habitually drank milk compared to those who did not (P = 0.003). CONCLUSIONS: Inadequate calcium and vitamin D intake, presumably because of low intake of milk after weaning, may have contributed to stunting in this population.
OBJECTIVES: This cross-sectional study examined the nutritional factors associated with the high levels of stunting in 2- to 5-y-old children in an impoverished South African setting where liver is frequently eaten and vitamin A deficiency known to be absent. METHODS:Children's dietary intake was assessed by a single 24-h recall. Heights and weights were measured and information was obtained on breast-feeding history, the child's habitual milk intake, as well as substance use by the mother during pregnancy (n = 150). RESULTS: The overall prevalence of stunting was 36.9% (CI 29.2, 44.6) and increased with age, being 49% in the 4- to 5-y-old age category. Birth weight correlated significantly with height-for-age z-scores (HAZ; r = 0.250, P = 0.003), and was lower in children whose mothers smoked and used alcohol during pregnancy than in children whose mothers abstained (P < 0.0001). Median intake of energy, carbohydrate and protein was adequate. Median intake for all micronutrients was at least 90% of the estimated average requirement, except for calcium, vitamin D and vitamin E, which was 21%, 15%, and 32%, respectively. Intake of fat, calcium, phosphorous, vitamin D, riboflavin, and vitamin B12 (nutrients that typically occur in milk) was significantly lower in stunted than in non-stunted children (P < 0.05). When excluding children with low birth weight, intake of calcium, vitamin D, and riboflavin were still significantly lower (P < 0.05). HAZ was higher in children who habitually drank milk compared to those who did not (P = 0.003). CONCLUSIONS: Inadequate calcium and vitamin D intake, presumably because of low intake of milk after weaning, may have contributed to stunting in this population.
Authors: Mary Norval; Anna K Coussens; Robert J Wilkinson; Liza Bornman; Robyn M Lucas; Caradee Y Wright Journal: Int J Environ Res Public Health Date: 2016-10-18 Impact factor: 3.390