Table 1.

Questions about risk behaviours and chronic condition used in the present study

	Items	Responses
Drunkenness	In the last 30th days, have you ever had so much alcohol that you were really drunk?	1.	Never
		2.	1-2 times
		3.	3-5 times
		4.	6-9 times
		5.	10-19 times
		6.	20-39 times
		7.	More than 40 times
Physical fight	During the past 12 months, how many times were you in a physical fight?	1.	None
		2.	1 time
		3.	2 times
		4.	3 times
		5.	4 times or more
Sadness	I’m so sad that it seems that I cannot stand it	1.	Never or almost never
		2.	Sometimes
		3.	Often
Self-harm	During the last 12 months, have you ever hurt yourself on purpose?	1.	Never
		2.	1 time
		3.	2 times
		4.	3 times
		5.	4 times or more
Chronic condition (CC)	Do you have any long term illness, incapacity, disability or health problem that you have been diagnosed by a doctor?	1.	Yes
		2.	No
Participation in school	This prolonged illness, disability, health problem or disability affects your attendance and participation in school?	1.	Yes
		2.	No