用手习惯与寿命：板球运动员的档案研究
Handedness and longevity: archival study of cricketers.
作者信息
Aggleton J P, Bland J M, Kentridge R W, Neave N J
机构信息
Department of Psychology, University of Durham.
出版信息
BMJ. 1994;309(6970):1681-4. doi: 10.1136/bmj.309.6970.1681.
OBJECTIVE
To test whether handedness is associated with a change in longevity.
DESIGN
Archival survey.
SETTING
British Isles.
SUBJECTS
All first class cricketers born before 1961 whose bowling hand was specified (right, n = 5041; left, n = 1132) in a comprehensive encyclopaedia.
MAIN OUTCOME MEASURES
Bowling hand and life span.
RESULTS
Regression analysis of the 5960 players born between 1840 and 1960 (3387 dead, 2573 alive) showed no significant relation between mortality and handedness (P = 0.3). Left handedness was, however, associated with an increased likelihood of death from unnatural causes (P = 0.03, log hazard 0.37, 95% confidence interval 0.04 to 0.70). This effect was especially related to deaths during warfare (P = 0.009, log hazard 0.53, 0.13 to 0.92).
CONCLUSION
Left handedness is not, in general, associated with an increase in mortality.
目的
测试用手习惯是否与寿命变化相关。
设计
档案调查。
地点
不列颠群岛。
研究对象
在一本综合百科全书中明确了投球手惯用手（右，n = 5041；左，n = 1132）的所有1961年以前出生的一流板球运动员。
主要观察指标
投球手惯用手和寿命。
结果
对1840年至1960年间出生的5960名球员（3387名已故，2573名在世）进行回归分析，结果显示死亡率与用手习惯之间无显著关联（P = 0.3）。然而，左利手与非自然原因导致的死亡可能性增加有关（P = 0.03，对数风险0.37，95%置信区间0.04至0.70）。这种影响尤其与战争期间的死亡有关（P = 0.009，对数风险0.53，0.13至0.92）。
结论
一般而言，左利手与死亡率增加无关。
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