[Record linkage in the study of infant mortality: some aspects concerning data quality]

"The article concerns some aspects of the record linkage carried out by the ISTAT [Central Statistical Institute] for the study of infant mortality among the 1975 birth cohort in seven Italian regions." About eight percent of the records are found to be unlinked. A log-linear model is used to identify the variables affecting the percentage of unlinked records. (summary in ENG, FRE)