Changes in Drinking Behavior: Demographic, Psychosocial, and Biomedical Factors

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Abstract
Demographic, psychosocial, and biomedical variables were collected from 12,371 ambulatory persons who had an initial multiphasic health examination in 1978 or 1979 and a second examination 5 years later in 1983 or 1984. Subgroups of this cohort who had substantially increased and decreased their drinking were compared with persons who continued to drink at baseline rates. A balanced model of demographic, psychosocial, and biomedical variables had the capacity to differentiate persons who had substantially increased their drinking; fewer variables-primarily psychosocial-differentiated persons who had greatly decreased their drinking.