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PMID |
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TITLE |
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Genetic and environmental contributions to alcohol dependence risk in a national twin sample: consistency of findings in women and men. |
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ABSTRACT |
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BACKGROUND |
NlmCategory: BACKGROUND |
Genetic influences on alcoholism risk are well-documented in men, but uncertain in women. We tested for gender differences in genetic influences on, and risk-factors for, DSM-III-R alcohol dependence (AD). |
METHOD |
NlmCategory: METHODS |
Diagnostic follow-up interviews were conducted in 1992-3 by telephone with twins from an Australian twin panel first surveyed in 1980-82 (N = 5889 respondents). Data were analysed using logistic regression models. |
RESULTS |
NlmCategory: RESULTS |
Significantly higher twin pair concordances were observed in MZ compared to DZ same-sex twin pairs in women and men, even when data were weighted to adjust for over-representation of well-educated respondents, and for selective attrition. AD risk was increased in younger birth cohorts, in Catholic males or women reporting no religious affiliation, in those reporting a history of conduct disorder or major depression and in those with high Neuroticism, Social Non-conformity, Toughmindedness, Novelty-Seeking or (in women only) Extraversion scores; and decreased in 'Other Protestants', weekly church attenders, and university-educated males. Controlling for these variables, however, did not remove the significant association with having an alcoholic MZ co-twin, implying that much of the genetic influence on AD risk remained unexplained. No significant gender difference in the genetic variance in AD was found (64% heritability, 95% confidence interval 32-73%). |
CONCLUSIONS |
NlmCategory: CONCLUSIONS |
Genetic risk-factors play as important a role in determining AD risk in women as in men. With the exception of certain sociocultural variables such as religious affiliation, the same personality, sociodemographic and axis I correlates of alcoholism risk are observed in women and men. |
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DATE PUBLISHED |
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HISTORY |
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PUBSTATUS |
PUBSTATUSDATE |
pubmed |
1997/12/24 |
medline |
1997/12/24 00:01 |
entrez |
1997/12/24 00:00 |
|
AUTHORS |
|
NAME |
COLLECTIVENAME |
LASTNAME |
FORENAME |
INITIALS |
AFFILIATION |
AFFILIATIONINFO |
Heath AC |
|
Heath |
A C |
AC |
|
Department of Psychiatry, Washington University School of Medicine, St Louis, MO 63110, USA. |
Bucholz KK |
|
Bucholz |
K K |
KK |
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Madden PA |
|
Madden |
P A |
PA |
|
|
Dinwiddie SH |
|
Dinwiddie |
S H |
SH |
|
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Slutske WS |
|
Slutske |
W S |
WS |
|
|
Bierut LJ |
|
Bierut |
L J |
LJ |
|
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Statham DJ |
|
Statham |
D J |
DJ |
|
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Dunne MP |
|
Dunne |
M P |
MP |
|
|
Whitfield JB |
|
Whitfield |
J B |
JB |
|
|
Martin NG |
|
Martin |
N G |
NG |
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INVESTIGATORS |
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JOURNAL |
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VOLUME: 27 |
ISSUE: 6 |
TITLE: Psychological medicine |
ISOABBREVIATION: Psychol Med |
YEAR: 1997 |
MONTH: Nov |
DAY: |
MEDLINEDATE: |
SEASON: |
CITEDMEDIUM: Print |
ISSN: 0033-2917 |
ISSNTYPE: Print |
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MEDLINE JOURNAL |
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MEDLINETA: Psychol Med |
COUNTRY: England |
ISSNLINKING: 0033-2917 |
NLMUNIQUEID: 1254142 |
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PUBLICATION TYPE |
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PUBLICATIONTYPE TEXT |
Journal Article |
Research Support, Non-U.S. Gov't |
Research Support, U.S. Gov't, P.H.S. |
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COMMENTS AND CORRECTIONS |
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GRANTS |
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GRANTID |
AGENCY |
COUNTRY |
AA07535 |
NIAAA NIH HHS |
United States |
AA07728 |
NIAAA NIH HHS |
United States |
AA10249 |
NIAAA NIH HHS |
United States |
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GENERAL NOTE |
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KEYWORDS |
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MESH HEADINGS |
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DESCRIPTORNAME |
QUALIFIERNAME |
Adult |
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Aged |
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Aged, 80 and over |
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Alcoholism |
genetics |
Australia |
epidemiology |
Catholicism |
epidemiology |
Diseases in Twins |
genetics |
Female |
genetics |
Humans |
genetics |
Logistic Models |
genetics |
Male |
genetics |
Middle Aged |
genetics |
Models, Genetic |
genetics |
Odds Ratio |
genetics |
Personality |
classification |
Prevalence |
classification |
Registries |
classification |
Risk Factors |
classification |
Severity of Illness Index |
classification |
Sex Factors |
classification |
Twins, Dizygotic |
classification |
Twins, Monozygotic |
classification |
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SUPPLEMENTARY MESH |
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GENE SYMBOLS |
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CHEMICALS |
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OTHER ID's |
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