Unstandardized Coefficients Standardized Coefficients t-test p-value B Std. Error Beta Constant -11.130 3.134   -3.551 <0.001* Age -.092 .048 -.038 -1.904 0.0058 Program attendance 41.979 2.082 .578 20.159 <0.001* Knowledge score .749 .050 .432 15.060 <0.001* r-square=0.88 Model ANOVA: F=720.82, p<0.001 Variables excluded by model (non-significant): sex, marital status, job, family history, duration of illness, previous coma

Table 6: Best fitting multiple linear regression model for practice scores.