31 out of 128 minutes included an appeal to uncertainty, while 14 out of 128 minute cited insurance against adverse outcomes being an important consideration in the stance of policy. Along with Caggiano et al (2017), the paper also provides formal empirical evidence that the Fed sometimes takes risk management considerations into account in its policy decisions.
A least regrets approach to uncertainty: Hawks, Doves and the White Heron (he Kōtuku)  Our fear was that the need to shut down the economy to avoid a health crisis could create a deep and prolonged recession.