A randomized controlled trial of an educational intervention to promote oral and dental health of patients with type 2 diabetes mellitus

Table 2 Comparison of the intervention and control groups, concerning the HBM, before and after the intervention

Group Variable		Control		Intervention		P-value^a
Group Variable		Mean	SD	Mean	SD	P-value^a
Knowledge	Before	5.26	2.03	5.45	2.2	0.99
	After	5.85	1.5	8.16	0.95	0.012
	P-value^b	0.63		0.001
Perceived susceptibility	Before	3.23	0.76	3.33	0.66	0.168
	After	3.64	1.01	4.09	0.49	0.156
	P-value^b	0.074		0.001
Perceived severity	Before	4.22	0.61	4.33	0.68	0.71
	After	4.52	0.6	4.95	0.6	0.001
	P-value^b	0.17		0.001
Perceived barrier	Before	3.38	0.75	3.54	0.74	0.68
	After	3.35	0.51	2.69	1.05	0.001
	P-value^b	0.77		0.001
Perceived benefit	Before	4.29	1.13	4.18	0.66	0.94
	P-value^b	4.14	0.68	4.84	0.29	0.001
	After	0.72		0.001
Self-efficacy	Before	3.37	0.71	3.42	0.62	0.65
	After	3.65	0.66	4.08	0.56	0.001
	P-value^b	0.04		0.001
Internal cues to action	Before	3.92	0.85	4	0.74	0.60
	After	4	0.65	4.25	0.72	0.17
	P-value^b	0.27		0.033
External cues to action	Before	3.67	0.70	3.50	0.83	0.67
	After	3.53	0.46	3.77	0.68	0.005
	P-value^b	0.71		0.33
Performance	Before	2.28	0.76	2.16	0.71	0.97
	After	2.66	0.56	3.25	0.49	0.001
	P-value^b	0.714		0.001

ISSN: 1471-2458