Effect of birth weight and nutritional status on transverse maxillary growth: Implications for maternal and infant health

Laura Jackeline Garcia Rincon, Gizelton Pereira Alencar, Marly Augusto Cardoso, Paulo Capel Narvai and Paulo Frazão

PLOS ONE, 2020, vol. 15, issue 1, 1-12

Abstract: We analyzed the association between birthweight, nutritional status and transverse maxillary growth in 7- to 9-year-old schoolchildren. We undertook a cross-sectional survey nested in a population-based cohort study of 158 schoolchildren. The participants lived in the urban area of a small town within the Western Brazilian Amazon. The outcome was represented by the upper intermolar distance given in millimeters (mm), as an indicator of the degree of maxillary bone growth in its transverse dimension. The exposures were sex, birthweight, the bottle-feeding pattern operationalized by a scale corresponding to the age of introduction of the bottle and Body Mass Index-for-age z-score (BAZ) at 4 to 6 ys. Path analysis was employed to estimate standardized direct, indirect and total effects of exposures on the outcome using structural equations model (SEM) supported by Mplus 7 program. The values of standardized coefficients (SC) showed significant direct positive effects of sex (SC = 0.203; p = 0.006), birth weight (SC = 0.155; p = 0.030) and BAZ (SC = 0.165; p = 0.014) on transverse maxillary growth. The indirect effects (SC = 0.057; p = 0.012) and the total effect (SC = 0.261; p

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0228375

DOI: 10.1371/journal.pone.0228375

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