Table 1 : Group size of the surveyed students

What is the main focus of breast cancer prevention?		University—full-time study		χ2	p	Cramer’s V
		Medical University	University of Economics
Detection of precancerous lesions and their removal	N	2	2	6.06	0.048	0.375
	%	9.1%	9.5%
Performance of different examinations aiming at the earliest possible detection of tumor	N	19	12
	%	86.4%	57.1%
Active lifestyle and healthy nutrition	N	1	7
	%	4.5%	33.3%
What is the main focus of breast cancer prevention?		University—extramural study		χ2	p	Cramer’s V
		Medical University	University of Economics
Detection of precancerous lesions and their removal	N	3	3	7.40	0.025	0.430
	%	15.0%	15.0%
Performance of different examinations aiming at the earliest possible detection of tumor	N	16	9
	%	80.0%	45.0%
Active lifestyle and healthy nutrition	N	1	8
	%	5.0%	40.0%

The factor increasing the risk of breast cancer is:		University—full-time study		University—extramural study
The factor increasing the risk of breast cancer is:		Medical University	University of Economics	Medical University	University of Economics
Older age	N	19	12	12	7
Older age	%	86.4%	57.1%	60.0%	35.0%
Late motherhood	N	15	12	13	7
Late motherhood	%	68.2%	57.1%	65.0%	35.0%
Hormonal replacement therapy	N	16	15	14	9
Hormonal replacement therapy	%	72.7%	71.4%	70.0%	45.0%
BRCA1 and BRCA2 gene mutation	N	21	21	19	19
BRCA1 and BRCA2 gene mutation	%	95.5%	100.0%	95.0%	95.0%
Excessive consumption of alcohol and animal fat	N	13	14	8	10
Excessive consumption of alcohol and animal fat	%	59.1%	66.7%	40.0%	50.0%
Positive family history	N	19	18	19	18
Positive family history	%	86.4%	85.7%	95.0%	90.0%
Late menopause	N	12	11	10	7
Late menopause	%	54.5%	52.4%	50.0%	35.0%
Cancer history	N	17	15	13	11
Cancer history	%	77.3%	71.4%	65.0%	55.0%
First menstruation at an early age	N	12	11	11	7
First menstruation at an early age	%	54.5%	52.4%	55.0%	35.0%

Breast cancer symptoms		University—full-time study		University—extramural study
Breast cancer symptoms		Medical University	University of Economics	Medical University	University of Economics
Swelling	N	17	14	13	14
Swelling	%	81.0%	70.0%	65.0%	70.0%
Redness, color change	N	14	17	14	16
Redness, color change	%	66.7%	85.0%	70.0%	80.0%
Perceptible bump	N	21	20	20	20
Perceptible bump	%	100.0%	100.0%	100.0%	100.0%
Effusion from the nipple	N	20	19	19	19
Effusion from the nipple	%	95.2%	95.0%	95.0%	95.0%
“Orange peel” symptom	N	20	16	18	17
“Orange peel” symptom	%	95.2%	80.0%	90.0%	85.0%

Which age group has the highest risk of breast cancer?		University—full-time study		χ2	p	Cramer’s V
		Medical University	University of Economics
30–49	N	0	1	1.98	0.576	0.215
	%	0.0%	4.8%
40–59	N	2	3
	%	9.1%	14.3%
50–69	N	19	15
	%	86.4%	71.4%
60–79	N	1	2
	%	4.5%	9.5%
Which age group has the highest risk of breast cancer?		University—extramural study		χ2	p	Cramer’s V
		Medical University	University of Economics
30–49	N	1	2	7.98	0.047	0.447
	%	5.0%	10.0%
40–59	N	4	3
	%	20.0%	15.0%
50–69	N	15	9
	%	75.0%	45.0%
60–79	N	0	6
	%	0.0%	30.0%

What is the best diagnostic method for breast changes in women up to the age of 50?		University—full-time study		University—extramural study
		Medical University	University of Economics	Medical University	University of Economics
Breast self-examination	N	11	11	9	11
Breast self-examination	%	50.0%	52.4%	47.4%	55.0%
Breast ultrasonography	N	19	17	18	15
Breast ultrasonography	%	86.4%	81.0%	94.7%	75.0%
Mammography	N	4	7	7	4
Mammography	%	18.2%	33.3%	36.8%	20.0%
Magnetic resonance	N	2	1	5	7
Magnetic resonance	%	9.1%	4.8%	26.3%	35.0%

How often should breast self-examination be performed?		University—full-time study		χ2	p	Cramer’s V
		Medical University	University of Economics
Every day	N	0	1	5.93	0.052	0.371
	%	0.0%	4.8%
Once a week	N	0	4
	%	0.0%	19.0%
Once a month	N	22	16
	%	100.0%	76.2%
How often should breast self-examination be performed?		University—extramural study		χ2	p	Cramer’s V
		Medical University	University of Economics
Every day	N	1	0	1.53	0.465	0.196
	%	5.0%	0.0%
Once a week	N	3	5
	%	15.0%	25.0%
Once a month	N	16	15
	%	80.0%	75.0%