TABLE 4

Weighted Averages of Mean Differences in Scores Based on Size of Residency Program

NMean Score (SD) Difference Intervention (Unweighted/Weighted)Mean Score (SD) Difference Control (Unweighted/Weighted)P, UnweightedP, Weighted
Knowledge15415.9 (15.6)8.1 (9.1)<.001.003
Confidence1541.125 (1.07)0.519 (.550)<.001<.001
PPs1540.443 (.431)0.326 (.322).173.198
PPs, excluding cultural questionsa1520.440 (.435)0.226 (.220).023.022
  • a Adjusted for PPs related to cultural competency (see “Methods”).