DRD3 and Apathy: The main effects of apathy (F(1, 48) = 20.13, P < 0.001, BCa 95% CI [−32.28, −8.657]) and of DRD3 polymorphism (F(1, 48) = 8.33, P = 0.006, BCa 95% CI [14.79, 57.19]) significantly determined QUIP-RS.