For all variables assessing real-world financial risk taking, the difference between genders is highly significant, supporting our Hypothesis 4.
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The sentences
However, an interesting trend-level association was observable between men's investments in the final gamble and HCC.
Notwithstanding, it is of importance to acknowledge that potential associations may not maintain ad infinitum a positive trend, as an initial high cortisol reactivity (and correlated HCC levels), when prolonged, might exhaust the physiological systems and later result in hypoactivity (Kudielka et al., 2006 ).
To clarify this marginally significant effect, the sixth model includes the interaction between gender and income, which washes out the partial effect of income that arose in the previous model and shows that women are risk-cautious at all income levels.