Density of Familial Alcoholism and Its Effects on Alcohol Use and Problems in College StudentsAlcoholism: Clinical and Experimental Research OnlineEarly Articles 17 June 2008
Previous studies of family history of alcoholism (FHA) in college students have typically relied on dichotomous indices of paternal drinking.
This study examined the prevalence of FHA and its effects on alcohol use and problems using a density measure in a sample (n = 408) of college students.
Using a density measure of FHA, we observed an overall prevalence rate of 65.9% and a rate of 29.1% for FHA in both first and second-degree relatives. Structural equation modeling (SEM) was used to investigate relations among FHA, alcohol use/problems and previously identified etiological risk factors for alcohol use disorders (AUD). Results indicated a significant positive association between FHA and alcohol-related problems and this relationship was mediated by age of onset of drinking, behavioral undercontrol and current cigarette use. Behavioral undercontrol also mediated the relationship between gender and alcohol problems. Additionally, FHA was associated with an earlier age of onset of drinking and this was related to greater alcohol use.
Assessing density of FHA in future trajectory research may capture a greater number of students at risk for acute alcohol-related problems and/or future development of AUDs. Future preventive interventions with this population, which should begin well before the college years, may benefit from considering personality factors and incorporating smoking cessation to help identify at-risk students and assist those who wish to cut down on their alcohol use but find that smoking acts as a trigger for increased drinking.
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