Washington: People who spend longer hours behind the wheel on their way to and from work may face greater health risk.A new study has found that greater commuting distances are associated with decreased cardiorespiratory fitness (CRF), increased weight, and other indicators of metabolic risk.“This study yields new information about biological outcomes and commuting distance, an understudied contributor to sedentary behaviour that is prevalent among employed adults,” explained lead investigator Christine M. Hoehner, PhD, MSPH, Washington University in St. Louis, Missouri.“It provides important evidence about potential mediators in the relationship between time spent driving and cardiovascular mortality,” she added.Researchers studied 4,297 residents who lived and worked in eleven counties in the Dallas-Fort Worth or Austin, Texas metropolitan areas. Commuting distances were calculated with ArcGIS9 software and measured the shortest distance from home to work along the road network.
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