Table 1.

Characteristics of the sample (N=4921), and departments (N=38).

	Sample			Departments
	% (w)	SE	n (w)a	Median	IQR
Gender
Female	55.5	0.4	2725	53.0	32.3–68.9
Male	44.6	0.4	2189	47.0	31.1–67.7
Age
18 Year	73.9	0.4	3633	72.6	64.4–77.7
19 Year or more	26.1	0.4	1283	27.5	22.3–35.6
Parental education
Both high	60.0	0.5	2540	61.1	51.8–67.4
Mixed	24.3	0.4	1028	23.3	20.9–29.8
Both low	15.7	0.3	664	15.8	10.9–21.2
Lifetime STB b
Death wish	5.3	0.2	222	4.6	3.3–6.8
Suicidal ideation	6.0	0.2	250	5.1	4.1–6.6
Suicide plan	5.5	0.2	230	5.2	3.7–7.6
Suicide attempt	1.4	0.1	59	0.8	0.0–2.5
	Mean	SE	SD	Median	IQR
Academic year percentage (AYP)	50.3	0.2	18.3	49.5	45.9–53.2
Number of lifetime emotional  problems	4.9	0.0	3.2	4.8	4.4–5.4

^aMissing values are within the 0.2 −13.8% range.

^bNon-overlapping categories, i.e., death wish does not include students with suicidal ideation, plans, and attempts, etc.