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    Percept Mot Skills. 2008 Apr;106(2):627-32.

    Association of height and weight with second to fourth digit ratio (2D:4D) and sex differences.

    Barut C, Tan U, Dogan A.

    Source

    Department of Anatomy, Karaelmas University.

    Abstract

    Sex difference in 2D:46 digit ratio was studied in 386 right-handed students. The lengths of index (2D) and ring (4D) fingers were measured using a caliper. Height and weight of participants were recorded. Body height correlated negatively with right- and left-hand digit ratios in the total sample (N = 386); correlations were significant for the left-hand digit ratio of men and for the right-hand digit ratio of women (no significant correlations with weight). Males had a significantly lower 2D:4D ratio than females. After controlling for height, sex differences in right- and left-hand digit ratios completely disappeared. The results suggest that height of adults reflecting prenatal hormone status may play a role in differences between men and women in 2D:4D digit ratio for right-handers.

    PMID:
    18556914
    [PubMed - indexed for MEDLINE]

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