"There is no reason anyone under 12 should ever be injured by a lawn mower," said David Bishai, MD, PhD, MPH, senior author of the study and associate professor in the Department of Population and Family Health Sciences at the Bloomberg School. "If we would keep the kids off the lawn when mowing and off the riding mowers we could greatly reduce the number of injuries each year." The American Academy of Pediatrics recommends that no one under age 16 should use a riding mower, and no one under age 12 should use a push mower.
Bishai and co-author, Vanessa Costilla, a student with the School's Diversity Summer Internship Program, analyzed data of mower-related injuries requiring hospitalization from the National Hospital Discharge Survey from 1996 to 2003 and the National Electronic Injury Surveillance System from 1996 to 2004.
According to the results, more than 663,000 people were treated in U.S. emergency rooms for lawn mower injuries between 1996 and 2004. More than 80,000 people required hospital treatment for lawn mower injuries in 2004, which means about 2 out of every 1,000 injury-related emergency room visits is because of a lawn mower injury. The rate is about half the number treated for firearms injuries annually. In addition to strikes from flying projectiles, the most common causes of injury for people over age 15 were non-specific pain after mowing and injuries occurring while servicing the mower. The most common injury requiring hospitalization was fractures of the foot.
Based on the study results, Bishai recommends some safety tips to follow to avoid lawn mowing injuries.
"These are machines with sharp blades spinning at 160 miles per hour just inches away from our feet and hands. Everyone needs to respect the dangers and use common sense," said Bishai.
Funding for the study was provided by the Student Diversity Office at the Johns Hopkins Bloomberg School of Public Health and grants from the Johns Hopkins Center for Injury Research and Policy and the Centers for Disease Control and Prevention, National Center for Injury Prevention and Control.
Last reviewed: By John M. Grohol, Psy.D. on 21 Feb 2009
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