科研之友
微信
新浪微博
Facebook
分享链接
摘要
Objective: This article presents the first direct comparison of level of response (LR)-based prospective models in two generations of the same families. To accomplish this, we describe results from the first prospective evaluation of potential mediators of how an earlier low LR. to alcohol relates to adverse alcohol outcomes in offspring from the San Diego Prospective Study (SOPS). Method: To compare with data from probands in the SDPS, new data were gathered from 86 drinking offspring (age similar to 20 years) during the 25-year follow-up of these families. Consistent with the usual effect of a low LR, outcomes 5 years later for both generations focused on drinking quantities as well as alcohol problems during the follow-up. A structural equation model (SEM) was used to analyze the relationships among variables, and the models in proband and offspring generations were compared using direct observations of the model results and through invariance procedures. Results: In these drinking offspring, LR correlated with 5-year outcomes (r=.48, p<.001) and the SEM R-2 was .48, with good fit statistics. As predicted, the LR relationship to alcohol-related outcomes was both direct and partially mediated by heavier peer drinking, positive alcohol expectancies, and using alcohol to cope with stress. These results were similar to a previously published prospective model in SOPS probands, although path coefficients were generally higher in the younger group. Conclusions: The LR-based model of heavier drinking operated similarly across generations, with some modest differences. These results indicate that the model may be meaningful in both younger and middle-age groups. (J. Stud. Alcohol Drugs, 73, 195-204, 2012)
- 出版日期2012-3
