TABLE 5.

Tests of between-subjects effects.

Dependent variable: Knowledge on drug-drug interactions
Source	Type III sum of squares	df	Mean square	F	p-value
Corrected Model	7,898.061 a	4	1974.515	4.454	0.002
Intercept	57,023.426	1	57,023.426	128.622	<0.001
Gender	2,160.668	1	2,160.668	4.874	0.029
Years of experience	4,970.086	3	1656.695	3.737	0.013
Error	62,954.361	142	443.341
Total	285,548.469	147
Corrected Total	70,852.423	146

Parameter Estimates
Dependent variable: Knowledge on drug-drug interactions
Parameter	B	S.E.	95% confidence interval		p-value
			Lower bound	Upper bound
Intercept	28.345	7.196	14.119	42.570	<0.001 a
Gender = Male	13.237	5.996	1.384	25.090	0.029 a
Years of experience = 0–5 years	−2.716	5.613	−13.811	8.380	0.629
Years of experience = 6–10 years	5.892	5.225	−4.436	16.220	0.261
Years of experience = 11–15 years	−9.429	5.107	−19.524	0.666	0.067

^aR Squared = 0.111 (Adjusted R Squared = 0.086).

^a Significant using General Linear Model at <0.05 level