From: Second to fourth digit ratio (2D:4D) and concentrations of circulating sex hormones in adulthood
Characteristic | Category | Values |
---|---|---|
Age in years, mean (SD) | Â | 54 (9) |
Country of birth, n (%) | Australia/New Zealand/UK/Other | 816 (79) |
 | Italy | 129 (12) |
 | Greece | 91 (9) |
Smoking, n (%) | Never | 459 (44) |
 | Current | 128 (12) |
 | Former | 449 (43) |
Alcohol consumption, n (%) | Abstainers | 126 (12) |
 | Ex drinkers | 49 (5) |
 | Low | 693 (67) |
 | Medium | 97 (9) |
 | High | 71 (7) |
BMI (kg/m2), mean (SD) | Â | 26.9 (3.4) |
Right 2D:4D, mean (SD) | Overall | 0.946 (0.036) |
 | Australia/New Zealand/UK/Other | 0.948 (0.035) |
 | Italy | 0.938 (0.041) |
 | Greece | 0.941 (0.035) |
Left 2D:4D, mean (SD) | Overall | 0.954 (0.035) |
 | Australia/New Zealand/UK/Other | 0.955 (0.035) |
 | Italy | 0.949 (0.039) |
 | Greece | 0.955 (0.032) |
Δr-l2D:4D, mean (SD) | Overall | -0.008 (0.033) |
 | Australia/New Zealand/UK/Other | -0.007 (0.031) |
 | Italy | -0.011 (0.041) |
 | Greece | -0.014 (0.034) |
Hormones and SHBG, geometric mean (interquartile range) 1 | Â | |
Total testosterone (nmol/L) | Â | 15.5 (12.3,19.5) |
Free testosterone (pmol/L) | Â | 244.1 (189.3,306.1) |
Total oestradiol (pmol/L) | Â | 103.0 (87.0,122.0) |
Free oestradiol (pmol/L) | Â | 1.7 (1.4,2.0) |
DHEAS (μmol/L) |  | 3.5 (2.3,5.2) |
Androstenedione (nmol/L) | Â | 4.1 (3.2,5.4) |
Androstenediol glucoronide (ng/mL) | Â | 14.8 (10.3,20.2) |
SHBG (nmol/L) | Â | 35.2 (27.0,43.8) |
Testosterone:oestradiol ratio | Â | 151.6 (118.5,187.3) |