Table 1. Distribution of the variables with suicidal behaviors.

Variables	Total; n (%)	Past-year suicidal ideation (N = 247; 13.4%)			Life-time suicide plans (N = 110; 6.0%)			Life-time suicide attempts (N = 82; 4.4%)
		Yes; n (%)	χ2 test value	p-value	Yes; n (%)	χ2 test value	p-value	Yes; n (%)	χ2 test value	p-value
Socio-demographic factors
Gender
Female	567; 30.7%	117; 20.6%	36.997	<0.001	51; 9.0%	13.395	<0.001	36; 6.4%	7.018	0.008
Male	1277; 69.3%	130; 10.2%			59; 4.6%			46; 3.6%
Year of study
4th year	303; 16.5%	65; 21.5%	22.986	0.069	36; 11.9%	23.446	<0.001	29; 9.6%	23.167	<0.001
3rd year	507; 27.6%	50; 9.9%			25; 4.9%			19; 3.8%
2nd year	519; 28.2%	68; 13.1%			21; 4.0%			20; 3.9%
1st year	511; 27.8%	63; 12.3%			28; 5.5%			14; 2.7%
Permanent residence
Rural	1544; 84.9%	192; 12.4%	9.320	<0.001	94; 6.0%	0.169	0.681	72; 4.6%	0.578	0.447
Urban	277; 15.1%	53; 19.1%			15; 5.4%			10; 3.6%
Personal health-related variables
Cigarette smoker
Yes	308; 16.7%	51; 16.6%	3.296	0.069	32; 10.4%	12.879	<0.001	29; 9.4%	21.425	<0.001
No	1535; 83.3%	195; 12.7%			78; 5.1%			53; 3.5%
Psychoactive substance user
Yes	60; 3.3%	23; 38.3%	33.249	<0.001	17; 28.3%	55.316	<0.001	17; 28.3%	83.218	<0.001
No	1784; 96.7%	224; 12.6%			93; 5.2%			65; 3.6%
Past-year physical health illness
Yes	191; 10.4%	66; 34.6%	82.239	<0.001	43; 22.5%	104.012	<0.001	31; 16.2%	69.566	<0.001
No	1653; 89.6%	181; 10.9%			67; 4.1%			51; 3.1%
Past-year mental health illness
Yes	154; 8.4%	70; 45.5%	148.751	<0.001	59; 38.3%	313.214	<0.001	47; 30.5%	268.472	<0.001
No	1689; 91.6%	177; 10.5%			51; 3.0%			35; 2.1%
Past-year stressful life events
Any types of stressful life events during past-year
Yes	573; 31.4%	155; 27.1%	134.623	<0.001	86; 15.0%	118.712	<0.001	62; 10.8%	80.228	<0.001
No	1250; 68.6%	89; 7.1%			24; 1.9%			19; 1.5%
Examination failure
Yes	217; 11.8%	65; 30.0%	58.134	<0.001	33; 15.2%	37.450	<0.001	26; 12.0%	33.136	<0.001
No	1627; 88.2%	182; 11.2%			77; 4.7%			56; 3.4%
Relationship difficulties
Yes	242; 13.1%	76; 31.4%	77.111	<0.001	53; 21.9%	126.103	<0.001	41; 17.0%	102.933	<0.001
No	1602; 86.9%	171; 10.7%			57; 3.6%			41; 2.6%
Campus ragging
Yes	120; 6.5%	35; 29.2%	27.523	<0.001	15; 12.5%	9.771	<0.002	6; 5.0%	0.092	0.762
No	1724; 93.5%	212; 12.3%			95; 5.5%			76; 4.4%
Family problems
Yes	213; 11.6%	66; 31.0%	64.238	<0.001	40; 18.8%	70.492	<0.001	36; 16.9%	87.838	<0.001
No	1631; 88.4%	181; 11.1%			70; 4.3%			46; 2.8%
Others
Yes	25; 1.4%	2; 8.0%	0.637	0.4257	1; 4.0%	0.175	0.676	1; 4.0%	0.012	0.912
No	1818; 98.6%	245; 13.5%			109; 6.0%			81; 4.5%
Family history of psychiatric suffering
Family mental illness history
Yes	229; 12.4%	75; 32.8%	84.925	<0.001	42; 18.3%	72.426	<0.001	31; 13.5%	50.651	<0.001
No	1612; 87.6%	171; 10.6%			67; 4.2%			51; 3.2%
Family suicide history
Yes	48; 2.6%	17; 35.4%	20.603	<0.001	11; 22.9%	25.246	<0.001	6; 12.5%	7.514	0.006
No	1796; 97.4%	230; 12.8%			99; 5.5%			76; 4.2%
Family suicide attempt history
Yes	99; 5.4%	38; 38.45%	56.314	<0.001	21; 21.2%	43.355	<0.001	18; 18.2%	46.408	<0.001
No	1745; 94.6%	209; 12.0%			89; 5.1%			64; 3.7%