Table 4.

Zero-order and partial correlations between knowledge, attitude, and practice scores

Variables	Zero-order correlation		Partial correlation††
	Coefficient (r)	p value	Coefficient (r)	p value
Knowledge-attitude	0.208	< 0.001	0.193	0.001
Knowledge-practice	0.353	< 0.001	0.343	< 0.001
Attitude-practice	0.159	0.006	0.149	0.010

^††Controlled for field of study (0: Science, 1: Nonscience) and year of study (0: Years 1 – 2, 1: Years 3—4)