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首页> 外文期刊>Psychosomatic Medicine: Journal of the American Psychosomatic Society >Consistent association between mixed lateral preference and PTSD: confirmation among a national study of 2490 US Army Vietnam veterans.
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Consistent association between mixed lateral preference and PTSD: confirmation among a national study of 2490 US Army Vietnam veterans.

机译：混合横向偏爱和PTSD之间的一致性：在一项对2490美国陆军越南退伍军人的国家研究中得到了证实。

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OBJECTIVE: To evaluate the research-based association between mixed lateral preference for handedness and risk for posttraumatic stress disorder (PTSD) in a large-scale sample of US Army Vietnam veterans exposed to war zone stressors. METHOD: We used a national sample of 2490 male US Army veterans, who completed the Edinburgh Handedness Inventory (EHI), a measure ranging from -100 (pure left-handedness) to +100 (pure right-handedness). We developed several classifications representing levels of mixed laterality: a) an EHI -70 to +70 (EHI 70, moderate mixed); b) an EHI -50 to +50 (EHI 50, consistent mixed); and c) an EHI 0, plus reports of using either hand on > or =50% of the tasks assessed (EHI 0+, extreme mixed). We controlled for intelligence, race, Army entry age, and Army volunteer status, and we assessed the impact of combat exposure. RESULTS: Although all three handedness measures were associated with current PTSD in bivariate analyses, only Edinburgh 0+ was associated with PTSD in the multivariate model (odds ratio (OR) = 2.1; p = .021). However, when we classified handedness by high combat exposure, all three measures were associated with PTSD, with ORs = 2.5, 2.8, and 4.7 for EHI 70, EHI 50, and EHI 0+, respectively (all p < .001). Veterans with mixed laterality and high combat exposure also had significantly increased PTSD symptoms (all p < .001). CONCLUSION: Our study confirmed findings reported among mostly smaller clinical samples and suggested that mixed lateral preference was associated with PTSD, especially among those individuals exposed to more severe psychological trauma.
机译：目的：在大规模暴露于战区压力源的美军越战退伍军人样本中，评估混合使用的侧手性偏向性与创伤后应激障碍风险（PTSD）之间基于研究的关联。方法：我们使用了2490名美国陆军退伍军人的全国样本，他们完成了爱丁堡惯性量表（EHI），范围从-100（纯左手）到+100（纯右手）。我们开发了几种代表混合侧向水平的分类：a）EHI -70至+70（EHI 70，中等混合）; b）EHI -50至+50（EHI 50，一致混合）; c）EHI 0，外加使用评估比例大于或等于50％的任务的报告（EHI 0+，极端混合）。我们控制了情报，种族，陆军进入年龄和陆军志愿者身份，并评估了战斗暴露的影响。结果：尽管在双变量分析中所有这三种惯用性测度均与当前PTSD相关，但在多变量模型中，只有爱丁堡0+与PTSD相关（优势比（OR）= 2.1; p = .021）。但是，当我们通过高战斗暴露度对轻便性进行分类时，所有这三项指标均与PTSD相关，EHI 70，EHI 50和EHI 0+的OR分别为2.5、2.8和4.7（所有p <0.001）。侧卧混合和战斗暴露率高的退伍军人的PTSD症状也显着增加（所有p <.001）。结论：我们的研究证实了在较小的临床样本中报告的发现，并提示PTSD伴有混合的横向偏爱，尤其是在那些遭受更严重心理创伤的个体中。

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