Table 3.

Factors Influencing Total Barrier Scores and Negativity Subscale (N=126)

		Total Barriers				Negative Barriers
Step	Model	B	Beta	R2 Δ	F Δ	B	Beta	R2 Δ	F Δ
1	Knowledge	−0.02	−0.11			−0.01	−0.07
	Attitudes	−0.02	−0.27 **			−0.01	−0.19
	Self-efficacy	−0.02	−0.40 ***	0.32	18.01 ***	−0.02	−0.32 ***	0.25	12.80 ***
2	Symptom Score	0.02	0.10	0.00	0.37	0.07	0.27 **	0.03	5.04 *
3	Insurance	0.04	0.04			0.03	0.03
	Parental Education	−0.01	−0.04			0.00	0.02
	Family Income	0.01	0.03	0.00	0.28	0.02	0.06	0.00	0.11
4	Gender	−0.27	−0.25 **			−0.28	−0.22 **
	Race	0.16	0.15	0.07	6.34 **	0.19	0.15	0.06	4.64 **
	Constant	4.63				3.59
	Total R2			0.39				0.28

Notes:

^*p <.05;

^**p < .01;

^***p < .001