Evidence map›Paper›PMID 30883659›Full record

ArticleInternational journal of epidemiology2019

Breastfeeding exclusivity and duration: trends and inequalities in four population-based birth cohorts in Pelotas, Brazil, 1982-2015.

Iná S Santos, Fernando C Barros, Bernardo L Horta, Ana M B Menezes, Diego Bassani, Luciana Tovo-Rodrigues, Natália P Lima, Cesar G Victora, Pelotas Cohorts Study Group

Abstract read
In one paragraph

Article in International journal of epidemiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

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3 · Its place in the literature

Who cites it

19 citing papers in PubMed.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors.

Iná S SantosPost Graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil.
Fernando C BarrosPost-Graduate Program in Health and Behavior, Catholic University of Pelotas, Pelotas, Brazil.
Bernardo L HortaPost Graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil.
Ana M B MenezesPost Graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil.
Diego BassaniDepartment of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto, ON, Canada.
Luciana Tovo-RodriguesPost Graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil.
Natália P LimaPost Graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil.
Cesar G VictoraPost Graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil.
Pelotas Cohorts Study Group

Funding

Wellcome Trust
6 · The paper itself

Abstract

backgroundBrazil has made substantial improvements in the duration of breastfeeding. We use data from four population-based cohorts to examine how trends and inequalities in breastfeeding indicators changed over time in a Brazilian city.

methodsData from four birth cohorts, each including all births in a calendar year (1982, 1993, 2004 and 2015) in the city of Pelotas were used. Information on breastfeeding was collected when children were aged between 3 and 20 months. The prevalences of continued breastfeeding at 1 year of age and of exclusive breastfeeding at 3 months were calculated according to family income, maternal skin colour and sex.

resultsPrevalence of breastfeeding at 12 months increased from 16% to 41% in the 33-year period. The prevalence of exclusive breastfeeding at 3 months increased from 7% in 1993 to 45% in 2015. Increases in exclusive breastfeeding at 3 months were seen in all socioeconomic groups, but the 2015 rates remain highest (57.2%) among the women in the richest quintile, and lowest among those in the poorest quintile (34.6%). Black mothers were more likely to breastfeed at 12 months than Whites in the four cohorts. In the earlier cohorts, breastfeeding at 12 months was more common among the poor, but by 2015 these differences had disappeared.

conclusionsThere were important positive changes in breastfeeding practices during this period, but less than half of the children in 2015 were receiving the full benefits of breast milk. Improved breastfeeding practices are being adopted by high-income women to a greater extent than by poor women.

Indexed as

Infant CareBrazilBreast FeedingFemaleHumansIncomeInfantInfant, NewbornMalePovertyTime FactorsBreast feedingcohort studiesexclusive breastfeedingsocioeconomic factors

Identifiers

PMID30883659
PMCPMC6422059

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.