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The Association Between Parents' Past Agricultural Injuries and Their Children's Risk of Injury
Analyses From the Regional Rural Injury Study–II
Kathleen Ferguson Carlson, PhD;
Deborah Langner, MS;
Bruce H. Alexander, PhD;
James G. Gurney, PhD;
Susan G. Gerberich, PhD;
Andrew D. Ryan, MS;
Colleen M. Renier, BS;
Steven J. Mongin, MS
Arch Pediatr Adolesc Med. 2006;160:1137-1142.
Objective To examine associations between parents' and children's agricultural injuries in a cohort of farming and ranching households.
Design Analyses from a population-based, nested case-control study.
Setting The 1999 Regional Rural Injury Study–II, involving a cohort of 3765 agricultural households. Demographic, injury, and exposure data were collected for household members for 1 year.
Participants A total of 203 injured children (cases) and 755 randomly selected control children were identified for the study.
Main Exposure Children's risk of injury was estimated in reference to individual and combined parental injury experience. Two periods were evaluated, separately and in combination.
Main Outcome Measures Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated by using logistic regression; directed acyclic graphs guided selection of potential confounders.
Results When controlling for potential confounders, children whose fathers were injured before the study year had twice the risk of injury of those whose fathers were not injured (OR, 2.1; 95% CI, 1.5-3.0). Children had increased risk of injury if their mothers were injured before the study (OR, 2.5; 95% CI, 1.7-3.8) or during the study (OR, 2.0; 95% CI, 0.9-4.2). Children whose parents both reported agricultural injuries before the study had a 4-fold increase in injury risk over those with neither parent injured (OR, 4.2; 95% CI, 2.6-6.9).
Conclusions Positive associations between parents' and children's injuries were observed, with a potential additive effect if both parents were injured. These results indicate a need for further research into the social and/or physical environments driving these associations so that appropriate interventions for pediatric injury can be determined.
Author Affiliations: Regional Injury Prevention Research Center, Division of Environmental Health Sciences, School of Public Health, University of Minnesota, Minneapolis (Drs Carlson, Alexander, and Gerberich; Ms Langner; and Messrs Ryan and Mongin); Child Health Evaluation and Research Unit, Department of Pediatrics, University of Michigan, Ann Arbor (Dr Gurney); and Division of Education and Research, St Mary's Duluth Clinic Health System, Duluth, Minn (Ms Renier).
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Brian D. Johnston
Arch Pediatr Adolesc Med. 2006;160(11):1180-1181.
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