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Relative measures of birthweight (small and large-for-gestational age, SGA-LGA) are increasingly preferred to absolute measures (low birthweight, macrosomia). In this study we assess whether the national vital statistics provided by the Spanish National Statistical Institute (INE) reliably estimate SGA and LGA. Also, we will assess whether missing data (selection) and misreported information (bias) are systematically associated with parental socioeconomic information.

revista española de salud pública/revista española de salud pública

Calidad de los datos del Instituto Nacional de Estadística para la elaboración de los indicadores de salud perinatal: pequeño y grande para su edad gestacional