This project was supported by Award No. 2007-NIJ-CX- 0110 from the National Institute of Justice, Office of Justice Programs, U.S. Department of Justice. The opinions, findings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect those of the U.S. Department of Justice. See Wendel et al., 2011 for an expanded discussion of the research project from which the data for this analysis were taken