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Pediatrics. 2011 Aug;128(2):296-302. doi: 10.1542/peds.2010-3829. Epub 2011 Jul 25.

Mediating factors associated with pedestrian injury in children with attention-deficit/hyperactivity disorder.

Author information

  • 1Department of Psychology, University of Alabama at Birmingham University Transportation Center, Birmingham, AL 35294-2041, USA. dstavrin@uab.edu

Abstract

OBJECTIVE:

Unintentional injury is the leading cause of pediatric mortality. One leading cause of unintentional injury is pedestrian injury. Children with developmental disabilities, particularly those with attention-deficit/hyperactivity disorder-combined type (ADHD-C) seem to have increased pedestrian injury risk. This study examined (1) the differences in pedestrian behavior between children with ADHD-C and normally developing comparison children and (2) the mediating factors that might link ADHD-C with pedestrian injury risk.

PATIENTS AND METHODS:

A total of 78 children aged 7 to 10 years (39 children with ADHD-C diagnoses and 39 age- and gender-matched typically developing children) participated. The main outcome measure was pedestrian behavior, as measured in a semi-immersive, interactive, virtual pedestrian environment. Key pedestrian variables related to different aspects of the crossing process were identified: (1) before the cross (ie, evaluating aspects of the crossing environment); (2) making the cross (ie, deciding to cross and initiating movement); and (3) safety of the cross (ie, safety within the pedestrian environment after the decision to cross was made).

RESULTS:

Children with ADHD-C chose riskier pedestrian environments to cross within (F(1,72) = 4.83; P < .05). No significant differences emerged in other aspects of the crossing process. Executive function played a mediating role in the relationship between ADHD-C and the safety of the cross.

CONCLUSIONS:

Children with ADHD-C seem to display appropriate curbside pedestrian behavior but fail to process perceived information adequately to permit crossing safely.

PMID:
21788213
[PubMed - indexed for MEDLINE]
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