Journal
EUROPEAN JOURNAL OF PUBLIC HEALTH
Volume 11, Issue 3, Pages 352-353Publisher
OXFORD UNIV PRESS
DOI: 10.1093/eurpub/11.3.352
Keywords
left-handedness; smoking; prevalence
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The objective of this study was to assess whether smoking habits can explain the decline in left-handedness prevalence with age. Subjects participating in a population-based survey (n=3,071) in Geneva, Switzerland, completed a questionnaire on innate hand preference, current hand preference for writing and smoking habits. The prevalence of innate left-handedness in the Geneva population was 9.4% in men and 7.4% in women. There was no association between smoking and left-handed ness. It is concluded that smoking is not associated with hand preference and is an unlikely cause of overmortality in left-handed subjects.
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