Evidence map›Paper›PMID 25251778›Full record

ArticleAddiction (Abingdon, England)2015

Tests of the effects of adolescent early alcohol exposures on adult outcomes.

Daniel E Irons, William G Iacono, Matt McGue

Registry-linked trialAbstract readTwin Study
In one paragraph

Article in Addiction (Abingdon, England), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06221839 (Structural Racism, Neurocognition in Reward Related Decision Making and Substance Use Risk), which is not on this map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT06221839 recruitingnot on this mapstarted 2026, after this paper: background citation

Structural Racism, Neurocognition in Reward Related Decision Making and Substance Use Risk

TypeobservationalSponsorColumbia UniversityRan2026 to 2027Enrolled72ConditionsStructural Racism, Substance Use Risk
3 · Its place in the literature

Who cites it

35 citing papers in PubMed.

  1. Trial
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  13. Predicting Alcohol Dependence Symptoms by Young Adulthood: A Co-Twin Comparisons Study.Twin research and human genetics : the official journal of the International Society for Twin Studies · 2021
    Article
  14. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Daniel E IronsDepartment of Psychology, University of Minnesota, Minneapolis, MN, USA.
William G Iacono
Matt McGue

Funding

TWIN STUDY OF FEMALE ALCOHOLISMS AND OTHER DISORDERSR01AA009367 · NIAAA · UNIVERSITY OF MINNESOTA TWIN CITIES · PI MCGUE, MATTHEW K. · 1992 to 2013
$9.0M
Twin Family Study of Vulnerability to Substance AbuseR37DA005147 · NIDA · UNIVERSITY OF MINNESOTA · PI IACONO, WILLIAM G. · 2009 to 2018
$6.4M
TWIN/FAMILY STUDY OF VULNERABILITY TO SUBSTANCE ABUSER01DA005147 · NIDA · UNIVERSITY OF MINNESOTA TWIN CITIES · PI IACONO, WILLIAM G · 1987 to 2007
$5.5M
Adolescent drinking and midlife outcomes: A prospective cotwin control studyR37AA009367 · NIAAA · UNIVERSITY OF MINNESOTA · PI MCGUE, MATTHEW K. · 2016 to 2024
$5.4M
TWIN STUDY OF ADHD, CD, AND SUBSTANCE ABUSER01DA013240 · NIDA · UNIVERSITY OF MINNESOTA TWIN CITIES · PI IACONO, WILLIAM G. · 2000 to 2010
$5.0M
NIAAA NIH HHS R01 AA009367NIAAA NIH HHS R37 AA009367NIDA NIH HHS R01 DA005147NIDA NIH HHS R01 DA013240NIDA NIH HHS R37 DA005147
6 · The paper itself

Abstract

aimsTo determine whether early adolescent alcohol use contributes to adult alcohol use, misuse and other adult substance-related and social outcomes.

designIn a longitudinal study of twins assessed at target ages 11, 14 and 24 years, two techniques adjusted for confounding factors: a propensity score (PS) adjusting for the effects of measured background covariates and co-twin control (CTC) adjusting for confounding by unmeasured (including genetic) factors shared within early alcohol exposure-discordant pairs.

settingThe community-based Minnesota Twin Family Study.

participantsA total of 1512 (50.3% female) twins. MEASUREMENTS: Early adolescent alcohol exposures, adult substance-related and social outcomes and background variables reflecting behavioral, familial and environmental characteristics.

findingsBackground covariates unbalanced between those with and without early alcohol exposure were balanced through PS-based weighting, leaving several adult outcomes related to substance use or social functioning remaining significantly associated with early alcohol exposure. Similarly, the within-pair individual-level component of a CTC indicated that early alcohol-exposed twins had higher risk than their non-exposed co-twins for several, but not all, of the same adult outcomes. For example, early alcohol use was associated with an adult index of alcohol use in both PS-weighted (β = 0.57, P < 0.001) and CTC (β = 0.21, P = 0.031) analyses.

conclusionsEarly alcohol exposures predict adult alcohol problems and related outcomes, despite stringent adjustment for measured and non-measured sources of potential confounding using propensity score and co-twin control. Contrasting the methods indicated that exposure effect estimates from PS application were likely biased by unmeasured confounding factors.

Indexed as

AdolescentAge of OnsetAlcoholic IntoxicationAlcohol-Related DisordersChildEnvironmentFamily RelationsFemaleHumansLongitudinal StudiesMaleMinnesotaRisk FactorsSubstance-Related DisordersTwins, DizygoticTwins, MonozygoticAdolescencealcoholcausalityco-twin controllongitudinalpropensity scoretwins

Identifiers

PMID25251778
PMCPMC4459504

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.