Exploring the association of undernourishment indicators for under-five children in Sub-Saharan Africa: an application of log-linear model for three- way table

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Abstract Background: Childhood undernutrition was a central public health difficulty. Several studies have considered determinants of childhood undernutrition and haven't focused on the connection of undernourishment indicators, the remains have focused on the link of indicators with their factors and have ignored the connection of the dimensions themselves, therefore this study tested pairwise relationships among the dimensions.Methods: In the current study multiple correspondence analysis (MCA) was applied to look at the visual association of the indicators. Moreover, the log-linear model was wont to see the model of the best suitable examine the nutritional status of youngsters. The interaction terms within the model have represented deviations from independence.Result: The result shows that out of 185,541 weighted sampled children 32.28%, 16.67%, and 6.82% were stunted, underweight, and wasted respectively. The overall prevalence of undernutrition was about 37.85%. The log-linear model showed that being underweight has an association with both stunting (P-value < 0.001), and wasting (P-value < 0.001). There was no association between stunting and wasting (P-value = 0.999). Also, there's no three-way relationship between stunting, wasting, and being underweight (P-value = 1.000).Conclusion: The study shows that there is no three-way interaction between undernourishment indicators. This shows the three undernourishment indicators of under-five children have multi-dimensional characteristics. Accordingly, the alarmed body should assume the three indicators concurrently to assess the actual problem of childhood undernutrition as they are not terminated to each other.

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