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


ABSTRACT:

Background

Brazil 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.

Methods

Data 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.

Results

Prevalence 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.

Conclusions

There 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.

SUBMITTER: Santos IS 

PROVIDER: S-EPMC6422059 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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Publications

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

Santos Iná S IS   Barros Fernando C FC   Horta Bernardo L BL   Menezes Ana M B AMB   Bassani Diego D   Tovo-Rodrigues Luciana L   Lima Natália P NP   Victora Cesar G CG  

International journal of epidemiology 20190401 Suppl 1


<h4>Background</h4>Brazil 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.<h4>Methods</h4>Data 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 preva  ...[more]

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