Multi-level modeling of social factors and preterm delivery in Santiago de Chile

Kaufman, Jay S.; Alonso, Faustino; Pino, Paulina

doi:10.1186/1471-2393-8-46

Cited by 17 publications

(24 citation statements)

References 30 publications

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“…Por outro lado, em estudo realizado em Santiago, no Chile (América Latina), país com perfil socioeconômico mais próximo ao do Brasil, as magnitudes desses efeitos foram mais modestas. Uma das potenciais explicações atribuídas pelos autores foi a distribuição igualitária do cuidado pré-natal que pode ter reduzido a importância dos efeitos das desigualdades sociais 19 . Entretanto, a mensuração da eficácia do cuidado pré-natal na prevenção do parto pré-termo, bem como a compreensão do seu efeito mediador 20 , tem se mostrado complexa.…”

Section: Discussionunclassified

“…Esse resultado foi semelhante ao observado em outros estudos brasileiros 15,16,19 e de outros países 2,13 , em diferentes contextos sociais, apesar das realidades socioeconômicas diversas e da utilização de medidas diferentes. Chamam atenção o alto percentual de ausência de pré-natal (4,4% entre os casos) e a ausência de cuidados adequados, segundo definição adotada em que foram considerados, além do início e números de consultas, a realização de procedimentos bá-sicos.…”

Section: Discussionunclassified

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Fatores associados ao nascimento pré-termo em Campina Grande, Paraíba, Brasil: um estudo caso-controle

et al. 2012

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Section: Discussionunclassified

Fatores associados ao nascimento pré-termo em Campina Grande, Paraíba, Brasil: um estudo caso-controle

et al. 2012

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“…Nonetheless, a well-established and actively supported prenatal control program appears to keep social disparities in reproductive outcomes quite limited in Chile, despite a wide gulf between rich and poor in the society [16]. …”

Section: Discussionmentioning

confidence: 99%

Absence of disparities in anthropometric measures among Chilean indigenous and non-indigenous newborns

2010

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BackgroundStudies throughout North America and Europe have documented adverse perinatal outcomes for racial/ethnic minorities. Nonetheless, the contrast in newborn characteristics between indigenous and non-indigenous populations in Latin America has been poorly characterized. This is due to many challenges, including a lack of vital registration information on ethnicity. The objective of this study was to analyze trends in anthropometric measures at birth in Chilean indigenous (Mapuche) and non-indigenous children over a 5-year period.MethodsWe examined weight and length at birth using information available through a national data base of all birth records for the years 2000 through 2004 (n = 1,166.513). Newborns were classified ethnically according to the origins of the parents' last names.ResultThe average birthweight was stable over the 5 year period with variations of less than 20 g in each group, and with mean values trivially higher in indigenous newborns. The proportion weighing less than 2500 g at birth increased modestly from 5.2% to 5.6% in non-indigenous newborns whereas the indigenous births remained constant at 5.2%. In multiple regression analyses, adjusting flexibly for gestational age and maternal characteristics, the occurrence of an indigenous surname added only 14 g to an average infant's birthweight while holding other factors constant. Results for length at birth were similar, and adjusted time trend variation in both outcomes was trivially small after adjustment. Anthropometric indexes at birth in Chile are quite favorable by international standards.ConclusionThere is only a trivial degree of ethnic disparity in these values, in contrast to conditions for ethnic minorities in other countries. Moreover, these values remained roughly constant over the 5 years of observation in this study.

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“…However, if the SES gradients in SGA and PTB are in opposite directions, those for LBW may be attenuated or cancelled out, thereby underestimating the degree of inequalities in the population. Attenuated and even reversed SES gradients in LBW and PTB have been observed in Chile and Brazil 49 50. Although there is no direct evidence to explain this phenomenon, one suspected reason may be the differential access to elective caesarean delivery, which is more common among women of higher SES status 51 52.…”

Section: Introductionmentioning

confidence: 99%

Seven caveats on the use of low birthweight and related indicators in health research: Table 1

Urquia

Ray

2012

J Epidemiol Community Health

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Birthweight and gestational age are the two most commonly used continuous variables in perinatal research. Dichotomous outcomes derived from these two variables include low birthweight, preterm birth and small for gestational age, each extensively used as perinatal and population health indicators within public health research and health surveillance systems. However, these dichotomous indicators have inherent limitations that need to be considered in the design, analysis and interpretation of epidemiological studies. In this report, we present seven caveats that may help researchers and users of epidemiological data avoid common (and not so common) pitfalls in the consideration of these indicators.

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Multi-level modeling of social factors and preterm delivery in Santiago de Chile

Cited by 17 publications

References 30 publications

Fatores associados ao nascimento pré-termo em Campina Grande, Paraíba, Brasil: um estudo caso-controle

Fatores associados ao nascimento pré-termo em Campina Grande, Paraíba, Brasil: um estudo caso-controle

Absence of disparities in anthropometric measures among Chilean indigenous and non-indigenous newborns

Seven caveats on the use of low birthweight and related indicators in health research: Table 1

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