• Percept Mot Skills · Apr 2008

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

    • Cagatay Barut, Uner Tan, and Asli Dogan.
    • Department of Anatomy, Karaelmas University.
    • Percept Mot Skills. 2008 Apr 1; 106 (2): 627-32.

    AbstractSex 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.

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