Related Experiment Video
Updated: Jul 21, 2026

09:36
Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
26.6K
Sex differences in nutritional status of HIV-exposed children in Rwanda: a longitudinal study
Jeanine U Condo1, Anastasia Gage, Nancy Mock
1School of Public Health, College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda.
Tropical Medicine & International Health : TM & IH
|October 28, 2014
Summary
HIV-exposed boys in Rwanda face higher malnutrition risks than girls, despite similar feeding practices. Explanations for this nutritional disparity may extend beyond diet in low-resource settings.
Area of Science:
- Pediatric Nutrition
- Global Health
- HIV/AIDS Research
Background:
- Understanding nutritional status in HIV-exposed children is crucial for early intervention.
- Complementary feeding programs aim to improve infant and child nutrition in vulnerable populations.
- Sex-based disparities in child health outcomes require investigation, particularly in resource-limited settings.
Purpose of the Study:
- To investigate sex differences in nutritional status among HIV-exposed children in Rwanda.
- To examine the relationship between early feeding practices, dietary patterns, and nutritional status over time.
- To identify potential factors contributing to malnutrition disparities in this cohort.
Main Methods:
- Longitudinal study design with three data collection points over 2-3 months.
- Inclusion of infants aged 6-12 months at baseline in a complementary feeding program.
- Multivariate analysis using cross-sectional time series to assess sex differences in nutritional status (stunting, wasting, underweight) and feeding indices (ICFI).
Main Results:
- Statistically significant sex differences observed in stunting, wasting, and underweight (P < 0.001).
- Boys exhibited poorer nutritional status (mean Z-scores: stunting -2.01, wasting -0.15, underweight -1.19) compared to girls (stunting -1.46, wasting 0.22, underweight -0.63).
- Minor differences in early feeding practices and no significant differences in the Infant and Child Feeding Index (ICFI) by sex were found.
Conclusions:
- HIV-exposed male children in this Rwandan cohort are at a higher risk of malnutrition compared to their female counterparts.
- Dietary patterns, as assessed by early feeding practices and ICFI, do not fully explain the observed sex differences in nutritional status.
- Factors beyond dietary patterns may contribute to malnutrition disparities in HIV-exposed children within complementary feeding programs in low-resource settings.
Keywords:
HIVRuandaRwandaVIHchildrendiferencias relacionadas con el sexodifférence entre les sexesenfantsestatus nutricionalniñosnutritional statussex differenceétat nutritionnelMore Related Videos
Related Concept Videos
Longitudinal Research
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
Bias in Epidemiological Studies
Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:
Amebiasis
Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...

