		Specialty		p-value
		Science	literature	p-value
Have you ever received information about first aid to stop nose bleeding or hemorrhage?	Yes	166	98	0.3
	No	76	144	0.3
Have any of the students had epistaxis before?	Yes	130	195	0.08
Have any of the students had epistaxis before?	No	112	47	0.08
If you experience bleeding, will you try to stop the bleeding by pressing the nose?	Yes	140	189	0.4
	No	30	47
	Do not know	72	7
If yes, where exactly is the pressure?	On the nose bone	83	131	0.4
	On the nose cartilage	51	60
	Do not know	67	52
How long will you press the nose?	<2 min	73	41	0.1
	2 - 5 min	77	109
	6 - 10 min	4	30
	11 - 20 min	1	3
	Do not know	87	60
Will you try to fill the nose with a tissue or gauze?	Yes	71	106	0.01*
Will you try to fill the nose with a tissue or gauze?	No	171	137	0.01*
Will you try to stop bleeding by changing the head position?	Yes	91	113	0.2
	No	151	130	0.2
How do you change the head position?	Tilt it forward	98	106	0.1
How do you change the head position?	Tilt it backward	107	45	0.1
Will you try to put ice on your head or nose?	Yes	149	108	0.1
Will you try to put ice on your head or nose?	No	94	134	0.1
Will you use other methods?	Yes	30	46	0.8
Will you use other methods?	No	212	197	0.8
When do you think you should go to an emergency?	Bleeding lasts > 10 min	101	124	0.6
	Bleeding lasts > 30 min	77	62
	Bleeding lasts > 60 min	21	33
	Do not know	15	19
	Do not think I will call for emergency	28	5