Secular trends in the rate of low birth weight in Brazilian State Capitals in the period 1996 to 2010

Veloso, Helma Jane Ferreira; Silva, Antônio Augusto Moura da; Barbieri, Marco Antônio; Goldani, Marcelo Zubarán; Filho, Fernando Lamy; Batista, Rosângela Fernandes Lucena; Alves, Maria Teresa Seabra Soares de Britto; Bettiol, Heloísa

doi:10.1590/s0102-311x2013000100011

Cited by 11 publications

(20 citation statements)

References 49 publications

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“…However, these findings differed from Ribeirão Preto, where the LBW rate increased from 7.2% in 1978/1979 to 10.6% in 1994 30 . Based on birth registry data, an increase in LBW rate was also observed in Brazil's state capitals as a whole 15 , but not in the country as a whole 31 . PTB rates were also stable in the two periods in the São Luís cohorts, at around 13%.…”

Section: Discussionmentioning

confidence: 96%

“…The LBW rate increased from 8.5% in 1996 to 9.1% in Brazil's state capitals 15 . Temporal analysis in the Ribeirão Preto cohorts also showed an increase in the LBW rate from 7.2% in 1978/1979 to 10.6% in 1994 16 , but comparison of the 1982 and 2004 birth cohorts showed that LBW has not increased in Pelotas 14 .…”

Section: Introductionmentioning

confidence: 98%

“…Data for Brazil's state capitals show that the SBR fell from 14.1 per 1,000 in 1996 to 9.3 per 1,000 in 2010 15 . In Pelotas, the late fetal mortality rate has also declined substantially in the last three decades 7 .…”

Section: Introductionmentioning

confidence: 99%

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Changes in perinatal health in two birth cohorts (1997/1998 and 2010) in São Luís, Maranhão State, Brazil

et al. 2015

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The objective of this study was to analyze changes in perinatal health in two birth cohorts started in 1997/1998 and 2010, respectively, in São Luís, Maranhão State, Brazil. A total of 2,493 live born infants were included in 1997/1998 and 5,166 in 2010. Low birth weight (LBW) rate did not change (8.5% in 1997/1998 and 8.6% in 2010). Preterm birth (PTB) rate also remained stable (13.2% in 1997/1998 and 13% in 2010). Teenage deliveries and births to single mothers decreased. Maternal schooling and prenatal care coverage increased. Intrauterine growth restriction (IUGR) decreased from 13.3% to 10.6% (p < 0.001). The perinatal mortality rate decreased from 36.6 to 20.7 per 1,000 (p < 0.001) and the infant mortality rate (IMR) dropped from 28.5 to 12.8 per 1,000 (p < 0.001). The cesarean rate increased from 34.1% to 47.5% (p < 0.001). In conclusion, despite favorable changes in socio-demographic, behavioral, and health service factors and decreasing rates of IUGR and perinatal and infant mortality, LBW and PTB remained stable, while the cesarean rate increased.

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Section: Discussionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 98%

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Changes in perinatal health in two birth cohorts (1997/1998 and 2010) in São Luís, Maranhão State, Brazil

et al. 2015

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Section: Introductionmentioning

confidence: 99%

“…Brazil is a country with high disparities in social, economic, and health conditions (Veloso et al, ). Further, the prevalence of overweight/obesity in children and adolescents has increased during the last decades (Instituo Brasileiro de Geografia e Estatística (IBGE), ; Veloso et al, ). According to nationally representative surveys by the Brazilian National Statistics Agency in 1974–1975 and 2008–2009, overweight prevalence in children (aged 5–9 years) increased from 10.9% to 34.8% and from 8.6% to 32%, in boys and girls, respectively; while the prevalence of obesity increased from 2.9% to 16.6% in boys, and from 1.8% to 11.8% in girls (IBGE, ).…”

Section: Introductionmentioning

confidence: 99%

Biological and behavioral correlates of body weight status among rural Northeast Brazilian schoolchildren

Santos

Almeida

et al. 2018

American J Hum Biol

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Low birth weight in São Luís, northeastern Brazil: trends and associated factors

Veloso

Silva

Bettiol

et al. 2014

BMC Pregnancy Childbirth

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BackgroundTo analyze trends in LBW (low birth weight) rate using birth registry data and identify factors associated with LBW in São Luís comparing two birth cohorts separated by a 12-year interval.Methods2,426 births were included in 1997/98 and 5,040 in 2010. The dependent variable was LBW (<2,500 g). Multiple logistic regression was performed to determine the association of independent variables with LBW. Data were also obtained from SINASC (Brazilian National Birth Registry) to analyze stillbirth and LBW rates trends from 1996 to 2010, using 3-year moving averages.ResultsLBW, intrauterine growth restriction (IUGR) and preterm birth rates did not differ between the two cohorts. Despite this, birth registry data showed increasing LBW rate up to 2001, coinciding with decreasing stillbirth rate. Both stillbirth and LBW rates decreased thereafter. A significant reduction was observed in the percentage of teenage mothers, mothers with up to 4 years of education, family income up to one minimum wage and mothers who did not attend prenatal care. There was an increase in maternal age ≥35 years and schooling ≥12 years. The variables associated with LBW in 1997/98 were young maternal age (<18 years), maternal smoking during pregnancy and primiparity. Variables that remained in the adjusted model in 2010 were female gender, income <3 minimum wages, lack of prenatal care, maternal smoking during pregnancy and primiparity.ConclusionsAlthough LBW rate did not differ between the two cohorts, this apparent stability masked an increase up to 2001 and a decrease thereafter. The rise in LBW rate paralleled reduction in the stillbirth rate, suggesting improvement in obstetrical and newborn care. Maternal, socioeconomic and demographic factors associated with LBW differed between the two cohorts, except for smoking during pregnancy and parity that were significantly associated with LBW in both cohorts.

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Secular trends in the rate of low birth weight in Brazilian State Capitals in the period 1996 to 2010

Abstract: Malaria epidemics occur annually in various municipalities (counties)

Cited by 11 publications

References 49 publications

Changes in perinatal health in two birth cohorts (1997/1998 and 2010) in São Luís, Maranhão State, Brazil

Changes in perinatal health in two birth cohorts (1997/1998 and 2010) in São Luís, Maranhão State, Brazil

Biological and behavioral correlates of body weight status among rural Northeast Brazilian schoolchildren

Low birth weight in São Luís, northeastern Brazil: trends and associated factors

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