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. 2009 Jan 12;106(2):623–628. doi: 10.1073/pnas.0810907106

Table 1.

Average annual income by class of 2D:4D and experience (£ ≈ $2)

2D:4D Experience
Inexperienced (≤2 yr) Experienced (>2 yr) Average
Low (0.932) £145,080 £828,480 £679,680
Medium (0.956) £62,400 £299,880 £173,160
High (0.988) £27,360 £154,440 £61,320
Average (0.959) £56,160 £537,720 £296,880

2D:4D is grouped by tertile, with the average digit ratio in parentheses. Experience is grouped by number of years trading, with inexperienced traders defined as anyone trading for 2 years or less.