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Published on: September 6, 2019
Breastfeeding can prevent hospitalization for pneumonia among children under 1 year old
Cristiano Siqueira Boccolini1, Márcia Lazaro de Carvalho, Maria Inês Couto de Oliveira
1Epidemiologia em Saúde Pública, Programa de Pós-Graduação em Epidemiologia em Saúde Pública, Escola Nacional de Saúde Pública Sérgio Arouca, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil. cristianoboccolini@yahoo.com.br
Insights
Breastfeeding, especially exclusive breastfeeding in the first six months, significantly lowers pneumonia hospitalization rates in infants. This highlights breastfeeding as a key preventive health strategy for child respiratory health.
Area of Science:
- Pediatrics
- Public Health
- Epidemiology
Background:
- Pneumonia is a leading cause of infant hospitalization.
- Breastfeeding is recognized for its protective health benefits in infants.
Purpose of the Study:
- To investigate the association between breastfeeding and infant hospitalizations due to pneumonia.
- To quantify the impact of breastfeeding prevalence on pneumonia hospitalization rates.
Main Methods:
- Ecological study utilizing secondary data from Brazilian cities in 2008.
- Negative binomial regression model applied to hospitalization data and breastfeeding prevalence.
- Adjusted for socioeconomic factors like Gini Index and smoking prevalence.
Main Results:
- Higher breastfeeding prevalence (9-12 months) correlated with reduced pneumonia hospitalization (RR=0.62).
- Exclusive breastfeeding (under 6 months) showed a stronger association with lower hospitalization rates (RR=0.52).
Conclusions:
- Increasing breastfeeding rates in the first year of life is crucial for reducing infant pneumonia hospitalizations.
- Promoting exclusive breastfeeding in the first six months offers significant protection against severe pneumonia.
Objective:
To evaluate the relationship between breastfeeding and hospitalization for pneumonia among children under 1 year old.
Methods:
Ecological study using secondary data of hospitalizations for pneumonia (outcome) and breastfeeding prevalence data (exposure) among children under 1 year old living in the Brazilian state capital cities and the Federal District in 2008. A negative binomial model of hospitalization was used to estimate the rate ratio (95% confidence interval), adjusted according to the Gini Index, and the prevalence rates of smokers in the general population and low birth weight individuals in the population investigated.
Results:
Breastfeeding prevalence among children between 9 and 12 months old and exclusive breastfeeding prevalence among children under 6 months old were associated with a lower rate ratio of hospitalization for pneumonia (RR = 0.62; 95%CI 0.51-0.74 and RR = 0.52; 95%CI 0.39-0.69, respectively).
Conclusion:
Increased prevalence rates of breastfeeding during the first year of life and exclusive breastfeeding during the first 6 months of life can reduce the number of hospitalizations for pneumonia.
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