Table 5.

Relationship between knowledge and attitude with demographic variables.

Dependent Variables	Knowledge about systematic complications		Knowledge about oral complications		Total score of knowledge		Total score of attitude		Total score of knowledge & attitude
Independent variables	p Value	β	p Value	β	p Value	β	p Value	β	p Value	β
Age	0.015	0.256	0.419	0.097	0.694	-0.108	0.082	-0.07	0.921	0.014
Sex	0.003	7.158	0.037	5.662	0.487	4.737	0.284	21.549	0.052	6.4
Familial history	0.534	-1.570	0.103	4720	0.082	12.05	0.254	-36.579	0.148	4.678
Duration of disease	0.048	0.388	0.355	0.210	0.928	0.049	0.699	0.362	0.004	0.930