Sir.—We would like to comment on the article "The Infant Walker: A Previously Unrecognized Health Hazard" by Drs Kavanagh and Banco (Journal 1982;136:205-206).
The validity of this study without a control group is highly suspect. An unattended or even closely watched infant is a health hazard to himself. He can propel himself down a flight of stairs, hit his head against a porcelain bathtub while being held tightly by his mother, slide out of a high chair after being strapped in with a three-point harness, pull a plant over on top of himself, be attacked by a frightened family cat that he has stalked into a corner, or even eat his pediatrician's prescription form before it can be filled despite the attentions of both parents. Our 9-month-old infant has done all of these things during the past three months but has had no problems at all with her