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Related Experiment Videos

Handedness and drinking-smoking types

E Harburg

    Perceptual and Motor Skills
    |February 1, 1981
    PubMed
    Summary

    Individuals with left-hand preference (sinestrals) tend to smoke and drink more frequently than right-handers (dextrals). This behavior is more pronounced in females across all age groups studied.

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    Behavior genetics·1992

    Area of Science:

    • Behavioral Science
    • Human Health
    • Epidemiology

    Background:

    • Hand preference, specifically left-handedness (sinestrality), is a recognized human trait.
    • Lifestyle behaviors such as smoking and alcohol consumption are significant public health concerns.

    Purpose of the Study:

    • To investigate the relationship between hand preference (sinestrality vs. dextrality) and the prevalence of smoking and alcohol use.
    • To determine if this association differs between genders and across age groups.

    Main Methods:

    • Cross-sectional study analyzing data from 1,153 white adults aged 18-69 residing in Tecumseh, Michigan.
    • Statistical analysis comparing smoking and drinking habits between sinestrals and dextrals, stratified by sex and age.

    Main Results:

    • Sinestrals reported higher rates of combined smoking and drinking behaviors compared to dextrals.
    • This association was found to be significantly stronger in females than in males.
    • Abstinence rates were lower among sinestrals for both smoking and drinking.

    Conclusions:

    • Hand preference may be associated with specific lifestyle behaviors, including substance use.
    • Gender appears to moderate the relationship between sinestrality and substance use patterns.
    • Further research is warranted to explore the underlying mechanisms of these observed associations.

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