Peer-reviewed article
Stunting in indigenous Waorani children living near the oil-extraction sites: What can the determinants of health tell us about this?
María F. Rivadeneira, Andrea Bravo-Díaz, José Cóndor, Philippe Belmont, María Sol Jurado et al. ·
Summary
Written by AI, not yet AICS's view · claude-sonnet-5-5This study looked at stunting (low height for age) in 102 Waorani children under 5 in the Ecuadorian Amazon, where oil is extracted. The Waorani are a recently contacted indigenous group. Mothers were surveyed about biological, socioeconomic, environmental and health service factors. About 39% of the children were stunted. Stunting was linked to male sex, short maternal height, older child age and low dietary diversity, while taller birth height was linked to less stunting. No socioeconomic differences related to stunting were found.
Key points
- 39.2% of the children exhibited stunting.
- Short maternal stature was associated with stunting (OR = 4.96, 95% CI: 2.38-10.84).
- Male sex (OR = 2.73) and reduced dietary diversity (OR = 2.37) were associated with higher stunting.
- Tall birth height was associated with lower stunting (OR 0.28, 95% CI: 0.13-0.57).
- Prenatal care (two or more checkups) was associated with stunting (OR = 1.59), with a potential reverse causality effect; no socioeconomic differences were found.
Limitations
This is a cross-sectional study of 102 children, so it shows associations but cannot show cause and effect, and the authors note possible reverse causality for prenatal care. The abstract does not report the effects of the oil extraction itself or test any intervention.
Abstract
The Waorani are a recently contacted indigenous group inhabiting oil extraction territories in the Amazon. This study aimed to analyse the prevalence of stunting and explore its association with health determinants in Waorani children under 5 years of age. A cross-sectional study was conducted with 102 children. Mothers were surveyed about biological, socioeconomic, environmental and health service determinants. Bivariate, multivariate and weight-adjusted logistic regression models were performed. A total of 39.2% of the children exhibited stunting. Health determinants such as male sex (OR = 2.73, 95% CI: 1.63-4.64), short maternal stature (OR = 4.96, 95% CI: 2.38-10.84), child age (OR = 1.04, 95% CI: 1.02-1.05), reduced dietary diversity (OR = 2.37, 95% CI: 1.27-4.53) were associated with a higher prevalence of stunting. Prenatal care was also associated with stunting (OR = 1.59, 95% CI: 1.16-2.21, for two or more checkups), with a potential reverse causality effect. Tall birth height (OR 0.28, 95% CI: 0.13-0.57) was associated with a lower prevalence of stunting. No socioeconomic differences were found related to stunting. The health determinants model may have limitations in socioeconomically homogeneous populations. Stunting prevention policies should take this model into account, contextualised to the specific territory.