University of Missouri and the Midwest Alcoholism Research Center, Columbia, Missouri 65211, USA.
J Stud Alcohol Drugs. 2012 Mar;73(2):290-302. doi: 10.15288/jsad.2012.73.290.
The current study develops an empirically determined classification of sexual orientation developmental patterns based on participants' annual reports of self-identifications, sexual attractions, and sexual behaviors during the first 4 years of college. A secondary aim of the current work was to examine trajectories of alcohol involvement among identified subgroups.
Data were drawn from a subsample of a longitudinal study of incoming first-time college students at a large, public university (n = 2,068). Longitudinal latent class analysis was used to classify sexual minority participants into empirically derived subgroups based on three self-reported facets of sexual orientation. Multivariate repeated-measures analyses were conducted to examine how trajectories of alcohol involvement varied by sexual orientation class membership.
Four unique subclasses of sexual orientation developmental patterns were identified for males and females: one consistently exclusively heterosexual group and three sexual minority groups. Despite generally similar alcohol use patterns among subclasses, certain sexual minority subgroups reported elevated levels of alcohol-related negative consequences and maladaptive motivations for use throughout college compared with their exclusively heterosexual counterparts.
Elevations in coping and conformity motivations for alcohol use were seen among those subgroups that also evidenced heightened negative alcohol-related consequences. Implications and limitations of the current work are discussed.
本研究基于参与者在大学前 4 年的年度自我认同、性吸引和性行为报告，制定了一种基于经验的性取向发展模式分类。本研究的次要目的是检验不同亚组中酒精摄入的轨迹。
数据来自于一所大型公立大学新生首次入读大学的纵向研究的子样本（n=2068）。采用纵向潜在类别分析，根据性取向的三个自我报告方面，将性少数群体参与者分为经验衍生的亚组。进行多变量重复测量分析，以检验酒精摄入轨迹是否因性取向类别而有所不同。
为男性和女性确定了四个独特的性取向发展模式亚类：一个始终完全异性恋群体和三个性少数群体。尽管各亚类的酒精使用模式总体相似，但某些性少数群体亚组报告称，与完全异性恋群体相比，整个大学期间酒精相关负面后果和适应不良的使用动机水平较高。
在那些表现出更高的负面酒精相关后果的亚组中，看到了应对和顺应酒精使用的动机增加。讨论了当前工作的意义和局限性。
