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Arch Pediatr Adolesc Med. 2008 Nov;162(11):1079-83. doi: 10.1001/archpedi.162.11.1079.

Parents' concern about their own and their children's genetic disease risk: potential effects of family history vs genetic test results.

Author information

1
Division of General Pediatrics, Child Health Evaluation and Research Unit, University of Michigan, Ann Arbor, MI 48109-0456, USA. btarini@umich.edu

Abstract

OBJECTIVE:

To evaluate the effect of the genetic risk information source (family history vs genetic test results) on parents' concern about their own and their children's genetic disease risk.

DESIGN:

Randomized trial using a Web-enabled survey.

SETTING:

Internet survey.

PARTICIPANTS:

National sample of 1,342 parents. Intervention Parents first received a vignette about their hypothetical genetic risk, randomized as either a family history assessment or genetic test results. Next, parents received a vignette about their youngest child's hypothetical genetic risk, similarly randomized. Main Outcome Measure Parents' concern about their own and their child's genetic disease risk.

RESULTS:

The response rate was 71.2%. Parents were more likely to be concerned about their own disease risk when the risk estimate came from a family history assessment vs a genetic test result (odds ratio, 1.96; 95% confidence interval, 1.44-2.68). In contrast, information source was not associated with parents' concern about their children's disease risk. Parents' level of concern about disease risk was identical for themselves and their children 73% of the time in the same scenario. When concern differed, parents almost always reported greater concern about disease risk for their children.

CONCLUSIONS:

Positive family history of disease generated greater concern about parents' own risk of inherited disease than did genetic test results. This effect was not evident for parents' concern about their children's risk. As genetic tests emerge and become increasingly available, physicians must not overlook the effect of family history on an individual's concern about disease risk.

PMID:
18981357
DOI:
10.1001/archpedi.162.11.1079
[Indexed for MEDLINE]
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