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Infant diet and salmonellosis.
R L Haddock1, S N Cousens, C C Guzman
1Department of Public Health and Social Services, Agana, Guam 96910.
American Journal of Public Health
|August 1, 1991
Summary
Breast-feeding protects infants from salmonellosis, while high-iron infant formula increases risk. This study investigated infant feeding practices and their association with infant salmonellosis in Guam.
Area of Science:
- Pediatric infectious diseases
- Epidemiology
- Public health
Background:
- Guam has a high incidence of infant salmonellosis.
- Infant feeding practices, particularly high-iron formula, were suspected as contributing factors.
Purpose of the Study:
- To test the hypothesis that high-iron infant formula is associated with infant salmonellosis.
- To investigate the role of feeding practices in infant salmonellosis.
Main Methods:
- A case-control study was conducted.
- Data collected on feeding practices, medical, and socioeconomic factors for 78 Salmonella-case infants and 167 controls.
Main Results:
- Infants fed high-iron formula (≥10 mg/L) were more likely to be cases (OR=2.96).
- Breast-fed infants were less likely to be cases (OR=9.15).
Conclusions:
- Breast-feeding appears protective against clinical salmonellosis in infants.
- High-iron infant formula consumption is associated with an increased risk of infant salmonellosis.