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RANDALL R. REVES, MD, MSc
The University of Texas Medical School at Houston Program in Infectious Diseases and Clinical Microbiology, and the School of Public Health Houston, TX 77225

Am J Dis Child. 1986;140(3):185-186.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Sir.—Myers et al¹ concluded in a published study that formula-fed infants have more gastrointestinal tract illnesses than do breast-fed infants. Although the authors noted that bottle-feeding was associated with a greater likelihood of exposure to other infants in day-care (DC) settings, there was no attempt to deal with this confounding variable. Further analysis of the data reveals an equally plausible conclusion that the apparent adverse effects of bottle-feeding are due to other confounding variables, specifically, exposure to other infants in DC settings.

Our Table is derived from the data in Tables 1 and 3 of Myers et al.¹ This was feasible only by ignoring the matching process and pooling data on patients by DC use and breast- or bottle-feeding. The Table shows the number of

Illness in Infants Classified by Day-care Center Attendance and Feeding Mode Feeding Mode No. of Infants No. of Illnesses by Type* Resp . . . [Full Text PDF of this Article]

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