Reasons for seeking genetic susceptibility testing among first-degree relatives of people with Alzheimer disease

J. Scott Roberts, Susan A. LaRusse, Heather Katzen, Peter J. Whitehouse, Melissa Barber, Stephen G. Post, Norman Relkin, Kimberly Quaid, Robert H. Pietrzak, L. Adrienne Cupples, Lindsay A. Farrer, Tamsen Brown, Robert C. Green

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

Advances in genetic research have provided a basis for susceptibility testing for Alzheimer disease (AD). Prior surveys have examined attitudes toward genetic testing for AD in hypothetical scenarios, but it is unclear what reasons would motivate people to seek testing in real-life situations. This study presents data from the first randomized trial to evaluate genetic susceptibility testing for asymptomatic adult children of people with AD. We examined (1) reasons endorsed as motivations for seeking testing, (2) demographic characteristics associated with these reasons, and (3) how these reasons related to the eventual decision to pursue testing. Eligible participants were 206 adult children of people with AD (mean age 53 years; 72% female; 93% white), 77.7% of whom (n = 160) went on to seek testing. Participants endorsed numerous reasons for seeking susceptibility testing (mean 7.2), encompassing a range of motivations. The most commonly endorsed reasons were as follows: (1) to contribute to research (93.9%), (2) to arrange personal affairs (87.4%), and (3) the hope that effective treatment will be developed (86.8%). Women strongly endorsed more reasons for seeking testing than men (p <0.05). The best predictor of actual pursuit of testing was strong endorsement of the need to prepare family members for AD (odds ratio = 3.3, p <0.01). Findings suggest that genetic susceptibility testing is of interest to individuals at risk for AD for a variety of reasons, even in the relative absence of available treatments.

Original languageEnglish (US)
Pages (from-to)86-93
Number of pages8
JournalAlzheimer Disease and Associated Disorders
Volume17
Issue number2
DOIs
StatePublished - Apr 2003
Externally publishedYes

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Genetic Testing
Genetic Predisposition to Disease
Alzheimer Disease
Adult Children
Motivation
Hope
Genetic Research
Odds Ratio
Demography
Therapeutics
Research

Keywords

  • Genetic testing
  • Susceptibility testing

ASJC Scopus subject areas

  • Geriatrics and Gerontology
  • Psychiatry and Mental health
  • Neuroscience(all)

Cite this

Reasons for seeking genetic susceptibility testing among first-degree relatives of people with Alzheimer disease. / Roberts, J. Scott; LaRusse, Susan A.; Katzen, Heather; Whitehouse, Peter J.; Barber, Melissa; Post, Stephen G.; Relkin, Norman; Quaid, Kimberly; Pietrzak, Robert H.; Cupples, L. Adrienne; Farrer, Lindsay A.; Brown, Tamsen; Green, Robert C.

In: Alzheimer Disease and Associated Disorders, Vol. 17, No. 2, 04.2003, p. 86-93.

Research output: Contribution to journalArticle

Roberts, JS, LaRusse, SA, Katzen, H, Whitehouse, PJ, Barber, M, Post, SG, Relkin, N, Quaid, K, Pietrzak, RH, Cupples, LA, Farrer, LA, Brown, T & Green, RC 2003, 'Reasons for seeking genetic susceptibility testing among first-degree relatives of people with Alzheimer disease', Alzheimer Disease and Associated Disorders, vol. 17, no. 2, pp. 86-93. https://doi.org/10.1097/00002093-200304000-00006
Roberts, J. Scott ; LaRusse, Susan A. ; Katzen, Heather ; Whitehouse, Peter J. ; Barber, Melissa ; Post, Stephen G. ; Relkin, Norman ; Quaid, Kimberly ; Pietrzak, Robert H. ; Cupples, L. Adrienne ; Farrer, Lindsay A. ; Brown, Tamsen ; Green, Robert C. / Reasons for seeking genetic susceptibility testing among first-degree relatives of people with Alzheimer disease. In: Alzheimer Disease and Associated Disorders. 2003 ; Vol. 17, No. 2. pp. 86-93.
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