Abstract

ALBACAR, Emma  and  BORRELL, Carme. Trends in infant mortality in Barcelona [Spain], 1983-1998. Gac Sanit [online]. 2004, vol.18, n.1, pp.24-31. ISSN 0213-9111.

Objective: To analyze trends in infant mortality, taking into account its main components and the principal causes of death between 1983 and 1998 in the city of Barcelona (Spain). Methods: We calculated overall mortality rates and mortality rates by sex for infant, postneonatal, neonatal, early neonatal, and late neonatal mortality in residents of the city of Barcelona from 1983 to 1998. Data were obtained from the births and deaths register. Data were grouped in 4-year periods. Poisson regression models were adjusted to obtain relative risks of mortality for comparison among the 4-year periods. The percentage of variation between rates in the different periods was also calculated. Results: There were 1.564 deaths in the 16 years. 896 (57.3%) were males and 668 (42.7%) were females. Infant mortality rates varied from 10.5 per 1,000 live births in 1986 to 3.4 ten years later (1996). Between 1983 and 1988 mortality rates remained stable, decreasing after 1989. The neonatal mortality rate, and especially the early neonatal mortality rate, showed a greater decrease than the postneonatal mortality rate. The main causes of death were congenital defects (47.4 %) and perinatal causes (32.1%). Conclusions: Mortality rates decreased over the study period but not with the same intensity as in previous decades

Keywords : Infant mortality; rates; trends; causes of death.

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