Unstandardized Coefficients Standardized Coefficients t-test p-value B Std. Error Beta Constant 33.942 1.370   24.768 <0.001* Program attendance 29.796 1.678 .712 17.753 <0.001* r-square=0.51 Model ANOVA: F=316.17, p<0.001 Variables excluded by model (non-significant): age, sex, marital status, job, family history, duration of illness, previous coma

Table 5: Best fitting multiple linear regression model for knowledge scores.