Table.

Comparison of K08 and K99/R00 by Program Characteristics

CharacteristicsK08K99/R00
TimingLate post-doc or early facultyLate post-doc only
Duration3–5 Years1–2 Years, K99
3 Years, R00
Length of mentoringEntire awardK99 Phase only
Rate of “changed institution” during awardLowHigh
Characteristics of research institutionsComparableComparable