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Stress-related Problem Drinking and
Alcohol Problems: A Longitudinal Study
and Extension of Marlatt's Model
S.W. SADAVA and A.W. PAK, Brock University
Abstract
Single-variable tension-reduction models fail to account for much of the
variance in alcohol or other drug use in relation to stress. Marlatt's
multivariate model of stress-related substance abuse postulates that
stress-related problem drinking is a function of 1. the intensity of perceived
stress,
2. degree of perceived personal control, 3. availability of adequate
coping responses to the perceived stress, 4. availability of the substance, and 5.
the person's expectancies about the effects of the substance as a coping
strategy. This model was tested within a longitudinal design, following
university students during the transitional year of their graduation from
university. Greater consumption of alcohol (Q-F) and a greater frequency of
intoxication, as well as changes toward higher scores on these measures were
related to and predicted by higher levels of perceived stress and stressful life
events, greater external locus of control, social supports and life satisfaction,
more opportunities for heavy drinking in a supportive social context and
attributing greater importance to coping functions of drinking. Higher levels of
alcohol-related problems amongst drinkers, after accounting for the effect of
consumption levels on problems, were related to these variables as well, and
particularly to depression and social supports. The findings are interpreted as
supporting the model, and extending it to explain both stress-related drinking
behaviour and vulnerability to alcohol-related problems.
Resume
Les modules de reduction de la tension a une settle variable ne permettent pas
de justifier dans une large mesure l'ecart dans la consommation d'alcool ou de
drogues liee au stress. Selon le modWe multivaric d'abus de substances W au
stress,
elabor£ par Marlatt, la consommation d'alcool liee au stress est une
fonction de 1. l'intensite du stress perc,u, 2. le degr£ de controle personnel
penju, 3. la possibility de fournir des reponses d'adaptation adequates au stress
perc,u, 4. la disponibilit£ de la substance et 5. les attentes de
1'individu
a
regard des effets de la substance comme strat£gie d'adaptation. Ce modele a
6t6 mis a
1'essai
selon une approche longitudinale, aupres d'etudiants du
niveau universitaire, pendant l'annee de transition suivant l'obtention de leur
diplome. La consommation accrue d'alcool (Q-F) et la frequence accrue d'in-
Canadian Journal of Behavioural Science,
1993,
25:3,
446-464