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IJE Advance Access originally published online on September 10, 2007
International Journal of Epidemiology 2008 37(4):704-709; doi:10.1093/ije/dym177
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Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2007; all rights reserved.

Cohort Profile: The 1993 Pelotas (Brazil) Birth Cohort Study

Cesar G Victora1,*, Pedro C Hallal1, Cora LP Araújo1, Ana MB Menezes1, Jonathan CK Wells2 and Fernando C Barros3

1 Universidade Federal de Pelotas, Brazil.
2 Childhood Nutrition Centre, Institute of Child Health, UK.
3 PAHO/WHO Latin American Centre for Perinatology, Uruguay.

* Corresponding author. Rua Marechal Deodoro, 1160-3° andar. Pelotas, RS, 96020–220, Brazil. E-mail: cvictora@terra.com.br

Accepted 8 August 2007

The first 150 words of the full text of this article appear below.


   How did the study come about?
 
In 1982, a birth cohort study1 was initiated in Pelotas, a Southern Brazilian city with a current population of 323 000 inhabitants. It started as a perinatal survey and later became one of the largest and longest running birth cohorts in the developing world.2 With the success of this initial study, our group decided to propose a second birth cohort, to be launched 10 years later. Due to delayed funding, the new cohort could only start in 1993.3 Funding for the new cohort was obtained from the European Economic Commission, in a collaboration that included the London School of Hygiene and Tropical Medicine and the Escuela Andaluza de Salud Publica from Granada.

In the late 80s and early 90s, the hypothesis that intrauterine, infant and child growth could affect long-term health outcomes gained widespread attention.4,5 The beneficial effects of breastfeeding were also becoming more evident.6 To better describe growth and . . . [Full Text of this Article]


   What does the study cover? (and how has this changed?)
 

   Who is in the sample?
 

   How often have they been followed up, and what was attrition like?
 

   What has been measured?
 

   What has it found?
 

   What are the main strengths and weaknesses?
 

   Can I get hold of the data? Where can I find more?
 

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