ABSTRACT
Objectives: The objective of this study was to investigate whether any observed trends in birthweight are accompanied by changes in maternal socio-demographic characteristics, including age, marital status, and education.
Methods: We conducted a population-based study of term singletons born in Newfoundland and Labrador, Canada, between 1992 and 2005 (N=66,638). Large-sample significance tests for two population proportions were used to test whether differences in mean birthweight, the proportion of low and high birthweight infants, and differences in maternal socio-demographic characteristics between 1992-95 and 2002-05 were statistically significant. Chi-square …
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