Table 1.

Sociodemographic and clinical characteristics of the students at the Kauhajoki Educational Centre participating in the study

Characteristic	n	%
Gender
Male	11	4.7
Female	225	95.3
Age at the incident, M (SD)	24.9	(10.2)
SES
Entrepreneur	20	9.4
Upper middle class	23	10.8
Lower middle class	51	23.9
Working class	92	43.2
Student	26	12.2
Othera	1	0.5
Living arrangements
With both biological parents	60	25.4
With one biological parent	20	8.5
With spouse	105	44.5
Alone or other arrangementsb	51	21.6
Received previous psychosocial support	33	14.0
Previous psychological treatment	26	11.3
Level of exposure
Mild	43	18.2
Moderate	71	30.1
Significant	102	43.2
Severe	11	4.7
Extreme	9	3.8

Note: SES=socioeconomic status.

^aHousewife or pensioner.

^bWith an adult other than a guardian, or with a child.