Table 3.

Relationship of Knowledge, Attitude and Practice with Demographic Variables in the Medical Students

		Knowledge			Attitude			Practice
		Mean (SD)	Maximum Minimum	P	Mean (SD)	Maximum Minimum	P	Mean (SD)	Maximum Minimum	P
Marital status	Single	20.64±4.5	3–29	0.848	65.61±5.9	48–80	0.126	12.70±1.6	8–16	0.022*
	Married	20.81±4.1	9–26		63.62±9.2	17–77		13.43±1.7	9–16
Education	Bachelor’s	20.33±4.5	3–29	0.221	64.78±5.9	48–76	0.004*	12.75±1.5	8–16	0.470
	Master’s	19.63±4.5	9–26		61.27±10.6	17–74		13.27±1.8	9–16
	PhD	20.68±4.5	7–29		66.74±5.7	53–80
								12.75±1.5	9–16
Smoking	Yes	20.45±4.5	3–29	0.008*	65.06±6.9	17–80	0.567	12.91±1.7	8–16	0.258
	No	24.87±2.9	20–29		66.50±4.7	57–73		12.25±1.5	10–15
Alcohol and psychotropic substances use	Yes	20.65±4.3	7–29	0.725	64.95±6.9	17–80	0.100	12.91±1.6	8–16	0.198
	No	21.33±9.5	3–29		69.66±4.1	65–76		12.0±1.7	10–15
Source of information	Friends	20.0±4.5	16–25	0.325	64.66±4.0	61–69	0.982	12.66±0.5	12–13	0.410
	Newspapers and magazines	17.33±6.4	10–22		64.0±4.3	61–69		11.66±1.1	11–13
	Radio and TV	19.0±4.0	13–23		66.88±3.1	63–73		12.55±1.7	10–15
	Books and university courses	20.75±4.6	3–29		65.08±7.8	17–80		13.07+1.7	8–16
	Internet	21.36±4.2	13–29		65.04±5.8	48–75		12.59+1.5	8–16
	Pamphlets and posters	17.0±8.0	9–25		64.33±6.5	58–71		13.66+2.0	12–16

Note: *P<0.05 is taken as the level of statistical significance.