In Reply.—We acknowledged in our article that crawling and cruising are potentially dangerous activities for infants and that a control group of children who did not use walkers would have been desirable. However, since the publication of our article, the Consumer Products Safety Commission reported that in 1981 an estimated 23,900 infants received medical attention, and more than 10,200 infants required emergency room treatment after accidents associated with infant walkers (Pediatric News, April 1982, p 7). More than half of those accidents were falls down a flight of stairs, and approximately a third involved walker tip-overs on a flat surface. We believe that the findings of this report confirm the validity of our data.
The Hendricks are right in implying that infants and children are at risk for injury from many sources. It is not infancy, however, that is the hazard. Rather, it is the infant's environment—an environment created