From: Second to fourth digit ratio (2D:4D) and concentrations of circulating sex hormones in adulthood
Right Hand | Left Hand | Δr-l | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2D:4D tertile | G | (95% CI) | P 2 trend | ρ 3 | P 4 | G | (95% CI) | P 2 trend | ρ 3 | P 4 | G | (95% CI) | P 2 trend | ρ 3 | P 4 | |
Testosterone (nmol/L) | I | 0.7 | (0.6 - 0.8) | 0.76 | -0.01 | 0.74 | 0.7 | (0.6 - 0.8) | 0.10 | -0.03 | 0.41 | 0.6 | (0.5 - 0.7) | 0.04 | 0.02 | 0.55 |
II | 0.7 | (0.6 - 0.7) | 0.7 | (0.6 - 0.7) | 0.7 | (0.6 - 0.8) | ||||||||||
III | 0.7 | (0.6 - 0.7) | 0.6 | (0.5 - 0.7) | 0.7 | (0.6 - 0.8) | ||||||||||
Free Testosterone (pmol/L) | I | 6.0 | (4.9 - 7.1) | 0.92 | -0.03 | 0.49 | 6.5 | (5.3 - 7.6) | 0.16 | -0.04 | 0.34 | 5.2 | (4.3 - 6.1) | 0.05 | 0.02 | 0.71 |
II | 6.6 | (5.4 - 7.8) | 6.4 | (5.3 - 7.6) | 6.9 | (5.6 - 8.1) | ||||||||||
III | 5.9 | (4.9 - 7.0) | 5.6 | (4.6 - 6.5) | 6.5 | (5.3 - 7.6) | ||||||||||
Oestradiol (pmol/L) | I | 57.0 | (52.1 - 61.9) | 0.50 | 0.02 | 0.63 | 58.0 | (52.9 - 63.0) | 0.77 | 0.02 | 0.64 | 55.1 | (50.3 - 59.9) | 0.62 | -0.00 | 0.91 |
II | 55.6 | (50.8 - 60.3) | 55.3 | (50.5 - 60.1) | 59.7 | (54.5 - 64.8) | ||||||||||
III | 58.7 | (53.7 - 63.7) | 57.2 | (52.2 - 62.2) | 56.4 | (51.5 - 61.3) | ||||||||||
Free oestradiol (pmol/L) | I | 0.8 | (0.7 - 0.9) | 0.85 | -0.00 | 0.89 | 0.8 | (0.7 - 0.9) | 0.64 | 0.00 | 0.95 | 0.8 | (0.7 - 0.8) | 0.73 | -0.01 | 0.73 |
II | 0.8 | (0.7 - 0.8) | 0.8 | (0.7 - 0.8) | 0.8 | (0.7 - 0.9) | ||||||||||
III | 0.8 | (0.7 - 0.9) | 0.8 | (0.7 - 0.9) | 0.8 | (0.7 - 0.8) | ||||||||||
DHEAS (μmol/L) | I | 1.5 | (1.3 - 1.6) | 0.38 | -0.02 | 0.63 | 1.6 | (1.4 - 1.7) | 0.08 | -0.02 | 0.62 | 1.4 | (1.2 - 1.5) | 0.44 | 0.00 | 0.91 |
II | 1.4 | (1.3 - 1.6) | 1.4 | (1.3 - 1.5) | 1.4 | (1.3 - 1.6) | ||||||||||
III | 1.4 | (1.2 - 1.5) | 1.4 | (1.2 - 1.5) | 1.5 | (1.3 - 1.6) | ||||||||||
Androstenedione (nmol/L) | I | 2.4 | (2.2 - 2.6) | 0.26 | -0.04 | 0.40 | 2.4 | (2.2 - 2.7) | 0.16 | -0.05 | 0.27 | 2.2 | (2.0 - 2.4) | 0.10 | 0.01 | 0.77 |
II | 2.3 | (2.1 - 2.5) | 2.3 | (2.1 - 2.5) | 2.3 | (2.1 - 2.5) | ||||||||||
III | 2.2 | (2.1 - 2.4) | 2.3 | (2.1 - 2.4) | 2.4 | (2.2 - 2.6) | ||||||||||
Oestrone sulphate (ng/mL) | I | 1.1 | (1.0 - 1.2) | 0.68 | -0.03 | 0.44 | 1.1 | (1.0 - 1.2) | 0.35 | -0.01 | 0.85 | 1.0 | (0.9 - 1.1) | 0.51 | -0.01 | 0.72 |
II | 1.0 | (0.9 - 1.1) | 1.0 | (0.9 - 1.1) | 1.0 | (0.9 - 1.1) | ||||||||||
III | 1.0 | (1.0 - 1.1) | 1.0 | (0.9 - 1.1) | 1.1 | (1.0 - 1.1) | ||||||||||
SHGB (nmol/L) | I | 48.3 | (45.3 - 51.3) | 0.26 | 0.06 | 0.13 | 49.5 | (46.4 - 52.6) | 0.74 | 0.04 | 0.26 | 50.0 | (46.8 - 53.1) | 0.65 | 0.02 | 0.66 |
II | 50.8 | (47.7 - 54.0) | 50.0 | (46.9 - 53.0) | 48.6 | (45.6 - 51.6) | ||||||||||
III | 50.6 | (47.5 - 53.8) | 50.2 | (47.1 - 53.3) | 50.9 | (47.8 - 54.1) |