Prolactin response to the TSST by race. Values reflect means (SE) after adjusting for gender, baseline hormone levels, income, level of education, anxiety measures that predicted prolactin response with a P-value of <0.10 (i.e. change in STAI S-anxiety score pre- and post-TSST), BDI-II, scores, and NEO-PI-R neuroticism and extraversion scores. The TSST box designates the time from which the instructions for the TSST are given (time 0 min) to the time the arithmetic task is completed (time 25 min).