The family history method in disordered gambling research: A comparison of reports obtained from discordant twin pairs

Slutske, Wendy S., Piasecki, Thomas M., Ellingson, Jarrod M. and Martin, Nicholas G. (2010) The family history method in disordered gambling research: A comparison of reports obtained from discordant twin pairs. Twin Research and Human Genetics, 13 4: 340-346. doi:10.1375/twin.13.4.340

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Author Slutske, Wendy S.
Piasecki, Thomas M.
Ellingson, Jarrod M.
Martin, Nicholas G.
Title The family history method in disordered gambling research: A comparison of reports obtained from discordant twin pairs
Journal name Twin Research and Human Genetics   Check publisher's open access policy
ISSN 1832-4274
Publication date 2010-08
Sub-type Article (original research)
DOI 10.1375/twin.13.4.340
Volume 13
Issue 4
Start page 340
End page 346
Total pages 7
Place of publication Bowen Hills, Qld., Australia
Publisher Australian Academic Press
Collection year 2011
Language eng
Formatted abstract
The purpose of this study was to examine potential biases in family history reports of problem gambling and gambling frequency. Same-sex twin pairs discordant for a history of problem (n = 230 pairs) and pathological gambling (n = 48 pairs) and for three indexes of gambling frequency (ever gambling, monthly gambling, and weekly gambling; n= 44-517 pairs) were identified from a large Australian national twin study. The problem gambling affected twin was significantly more likely to endorse paternal problem gambling than the problem gambling unaffected cotwin (OR = 5.5), and similar findings were obtained for family history reports of gambling frequency (OR = 2.0-2.8). These results could not be explained by differences between the discordant pairs in whether they had spent time gambling with the parents; there was no association between a history of problem, monthly or weekly gambling and having gambled with the parents among discordant twin pairs. The results of this study suggest that relying solely on family history assessments of disordered gambling and gambling involvement can lead to incorrect estimates of the strength of the family history effect.
Keyword Family history
Gambling
Assessment
Discordant twins
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
School of Medicine Publications
 
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Created: Tue, 29 Mar 2011, 12:36:06 EST by Debbie Banks on behalf of Medicine - Royal Brisbane and Women's Hospital