Integrated Evaluation of Undernutrition, Anaemia, and Intestinal Parasitic Infections in School-Aged Children: A Cross-Sectional Study in Three Regions of Southern Madagascar
Abstract
Background/Objectives: Undernutrition and intestinal parasitic infections are critical public health problems in low-income countries, with adverse effects on child growth and increasing anaemia. Madagascar, with a high prevalence of these factors, lacks comprehensive studies analysing their interaction. This study aimed to assess the nutritional status, the prevalence of anaemia, and the occurrence of intestinal parasitic infections among children and adolescents in three southern regions of Madagascar. Methods: A cross-sectional, prospective study of 289 children and adolescents (10–18 years) from three schools located in Antsoamadiro, Fianarantsoa, and Toliara was conducted. Sociodemographic, anthropometric, and haemoglobin concentration data, as well as faecal samples, were collected. Nutritional status was assessed by Nutrimetry, combining Height-for-Age and BMI-for-Age indicators. Stool samples were analysed by optical microscopy and molecular methods. Results: Nutricode 1 (short stature/stunting + thinness/wasting) was significantly more frequent in Toliara. Nutricode 1 was also significantly more prevalent in males than females. Anaemia affected 57.8% of participants and was significantly associated with Nutricode 1. The overall parasitism rate was also associated with Nutricode 1. Trichuris trichiura and Ascaris lumbricoides significantly increased the risk of stunting, wasting, and Nutricode 1. Co-infection with Trichuris trichiura + Giardia duodenalis was…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 289 participants or records.
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