Table 4.

Best fitting multiple linear regression model for the knowledge score (n = 960).

Variables	Unstandardized coefficients		Standardized coefficients	T-test	P-value	95% Confidence interval for B
	B	STD. error				Lower	Upper
Constant	−31.29	5.71		−5.479	<0.001	−42.58	−20.00
Intervention	39.71	2.72	0.77	14.616	<0.001	34.34	45.09
Education	2.43	1.00	0.13	2.425	0.017	0.45	4.41

R-square=0.61.

Model ANOVA:F=109.76, p<0.001.