Although comparable data about worst event have not been published using the baseline NCS, the DAST findings provide important context. In particular, interpersonal and witnessed traumas appear to be more commonly identified as worst among AI-SUPERPFP participants than in that population-based study of Detroit residents [17]. Although the degree to which methodological differences between these studies influence such comparisons is undeterminable, AI-SUPERPFP patterns are consistent with official statistics suggesting that trauma exposure is a significant public health concern among American Indians, especially exposure to violence [6,7,9,8].