Tab. VI.

Comparison of the mean and standard deviation of different dimensions of health literacy and its total score in diabetic patients in experimental and control groups before and after the theory based educational intervention.

Health literacy dimension	Number of items	Range of score	Follow-up time	Group		Sig
				Control (n = 83) Mean ± SD	Intervention (n = 83) Mean ± SD
Reading skills	6	6-30	Baseline	16.83 ± 4.42	17.57 ± 4.13	0.542
			2 months after	17.15 ± 4.28	26.22 ± 3.41	P < 0.001
			P value*	0.611	P < 0.001
Information accessibility	6	6-30	Baseline	15.31 ± 3.52	16.09 ± 4.11	0.307
			2 months after	16.45 ± 2.81	24.76 ± 3.51	P < 0.001
			P value*	0.264	P < 0.001
Information comprehension	6	6-30	Baseline	13.94 ± 4.27	15.00 ± 3.92	0.097
			2 months after	15.55 ± 3.73	24.80 ± 4.33	P < 0.001
			P value*	0.831	P < 0.001
Information analysis	6	6-30	Baseline	16.82 ± 3.55	17.19 ± 2.90	0.733
			2 months after	18.1 ± 3.05	25.76 ± 2.64	P < 0.001
			P value*	0.229	P < 0.001
Decision Making and information behavior	9	9-45	Baseline	24.66 ± 5.25	25.10 ± 4.83	0.561
			2 months after	26.02 ± 4.66	35.6 ± 4.68	P < 0.001
			P value*	0.188	P < 0.001
Total score of health literacy	33	33-165	Baseline	92.86 ± 11.89	93.27 ± 12.72	0.108
			2 months after	94.33 ± 12.64	132.14 ± 13.81	P < 0.001
			P value*	0.429	P < 0.001

P value*: significant value pre-post intervention.