文章基本信息

标题：The association between switching hand preference and the declining prevalence of left-handedness with age.
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作者：B Galobardes ; M S Bernstein ; A Morabia 等
期刊名称：American journal of public health
印刷版ISSN：0090-0036
出版年度：1999
卷号：89
期号：12
页码：1873-1875
出版社：American Public Health Association
摘要：OBJECTIVES: This study determined the prevalence of left-handedness and of switching hand preference among innately left-handed subjects. METHODS: Subjects of Swiss nationality (n = 1692), participating in a population-based survey in Geneva, Switzerland, completed a questionnaire on innate hand preference and current hand preference for writing. RESULTS: From 35 to 44 years of age to 65 to 74 years of age, the prevalence of innate left-handedness declined from 11.9% to 6.2% (trend P = .007). In these same age groups, the proportion of innately left-handed subjects who switched to the right hand for writing increased from 26.6% to 88.9% (trend P = .0001). CONCLUSIONS: Across generations, we found an increase in the prevalence of switching hand preference among innately left-handed subjects. This phenomenon could be explained by social and parental pressure to use the right hand.