monitorização da mortalidade na coorte de nascimentos de 1982 a 2006, pelotas, rs monitoreo de la mortalidad en la cohorte de nacimientos de 1982 a 2006, pelotas, sur de brasil monitoring mortality in pelotas birth cohort from 1982 to 2006, southern brazil
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Abstract
OBJETIVO: Evaluar la mortalidad en una cohorte acompañada desde el nacimiento en 1982 hasta 2006 y examinar los factores asociados. MÉTODOS: En 1982, todos los 5.914 niños nacidos en hospitales en Pelotas (Sur de Brasil) fueron identificados y acompañados prospectivamente. Entre 1982 y 1987, la ocurrencia de óbitos fue monitoreada por medio de visitas regulares a los hospitales, cementerios y servicio de registro de óbitos. A partir de 1987, los datos de óbitos fueron obtenidos solamente del Sistema de Informaciones sobre Mortalidad. Las variables estudiadas fueron: sexo, color de la piel materna, escolaridad materna, renta familiar, peso al nacer, peso y estatura por edad. Fue utilizada la regresión de Poisson para estimar el riesgo relativo de mortalidad. RESULTADOS: Entre 1982 y 2006 fueron identificados 288 óbitos. El coeficiente de mortalidad fue de 36 óbitos/1.000 nacidos vivos en el inicio del período, respectivamente. En todas las clases de edad, la mortalidad fue mayor entre individuos de renta familiar baja, con riesgo relativo de 2,89 (IC 95%: 2,08; 4,03) en la comparación entre el primer y el tercer tercil, posterior al control para sexo y color de la piel. Bajo peso al nacer y déficits de altura por edad y peso para altura a los dos años de edad estuvieron asociados con mayor riesgo de mortalidad hasta los 4 años, pero no a partir de esta edad. CONCLUSIONES: El efecto de la inequidad social en la infancia persiste hasta el inicio de la vida adulta, pero el peso al nacer y el estado nutricional en la infancia no tiene efecto duradero sobre la mortalidad de adolescentes y adultos jóvenes.
OBJECTIVE: To assess mortality in a birth cohort followed between 1982 and 2006 and its associated factors. METHODS: In 1982, all of the 5914 children born in hospitals in the city of Pelotas, Southern Brazil, were identified and followed up prospectively. Between 1982 and 1987, deaths were identified through regular visits to hospitals, cemeteries and death registries. As of 1987, death data were obtained through the Mortality Information System. The studied variables were: gender, color of mother, mother's schooling rate, family income, weight at birth, weight and height per age. Poisson regression was used to estimate the relative mortality risk. RESULTS: Between 1982 and 2006 there were 288 deaths. The infant mortality coefficient was 36 deaths/1 000 live births; and in the age brackets 1-4, years, 5-14 years and 15-24 years the mortality rates were, respectively, 14.4, 4.1 and 5.4 deaths for every 1 000 live births at the beginning of the period. In all age brackets, mortality was higher for individuals from low-income families, with a relative risk of 2.89 (95% CI: 2.08; 4.03) when comparing the first and third terciles after control for gender and skin color. Low weight at birth and height-for-age and weigh-for-height deficits were found to be associated to a higher mortality rate until age 4, but not after that age. CONCLUSIONS: The effects of social inequalities during childhood can be felt until the beginning of adult life, but birth weight and childhood nutritional status do not have a long-lasting effect on mortality rates for adolescents or young adults.
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horta2008revistamonitorizao
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| Authors | ;Bernardo L Horta;Denise P Gigante;Juliana S Candiota;Fernando C Barros;Cesar G Victora |
| Journal | proceedings - 2016 3rd international conference on information technology, computer, and electrical engineering, icitacee 2016 |
| Year | 2008 |
| DOI |
10.1590/S0034-89102008000900015
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