Table 2.

Socio economic and demographic characteristics of study participants of Wollega University regular undergraduate students’ of 2024 class.

Variables (n = 637)	Variables	Frequency (n = 637)	Percentage (%)
Age category	18–20	82	12.9
	21–23	382	60
	24–26	143	22.4
	>26	30	4.7
Sex	Male	439	68.9
	Female	198	31.1
Religion	Muslim	86	13.5
	Protestant	297	46.6
	Orthodox	215	33.8
	Catholic	8	1.3
	Wakefata	23	3.6
	Adventist	8	1.3
Residence before joining university	Urban	323	50.7
	Rural	314	49.3
Ethnicity	Oromo	404	63.4
	Amhara	135	21.2
	Tigray	17	2.7
	Wolayita	43	6.8
	Sidama	22	3.5
	Other*	16	2.5
marital status	Single	600	94.2
	Married	37	5.8
Where you attended high school	Public school	501	78.6
	Private school	136	21.4
Department by streaming	Natural sciences	434	68.9
	Social sciences	203	31.9
Father occupation	Employed***	188	29.5
	Merchant	100	15.7
	Farmer	337	52.9
	Others**	12	1.9
Mother occupation	Employed***	118	18.5
	Merchant	113	17.7
	Farmer	207	32.5
	Housewife	199	31.2
family member with history of substance use	Yes	248	38.9
	No	388	60.9
Current family marital status	Living together	539	84.6
	Divorced	43	6.8
	Mother or Father died	39	6.1
	Both died	2	0.3

Other^* Gambella, Silte, Guraghe, other ^** unemployed, laborer, employed^*** Government and NGO workers.