Evaluation of the psychometric properties and convergent validity of the Alcohol, Smoking and Substance Involvement Screening Test (ASSIST) questionnaire in Brazilian young adults

Middle East Current Psychiatry

Table 1 Sociodemographic characterization of students from a public university in Londrina, Paraná, Brazil, who composed the final sample (n = 3187) in 2019

Variables	Number	Percent
Sex
Female	2187	68.6
Male	1000	31.4
Ethnic identity^a
White	2227	69.9
Non-White	958	30.1
Full-time course enrollment^a
Yes	1412	44.3
No	1773	55.7
Workload*
Does not work	2081	65.4
Works up to 30 h per week	730	22.9
Works 31 h or more per week	374	11.7
Average daily social media usage time^a
≤ 179 min	1930	61.0
180–299 min	745	23.6
≥ 300 min	487	15.4
	Average	Standard deviation
Age (in years)	21.8	4.1
PSQI	7.8	3.1
CBI^a	75.2	18.4
PHQ9^a	13.5	6.7

PSQI Pittsburgh Sleep Quality Index, CBI Copenhagen Burnout Inventory, PHQ9 Patient Health Questionnaire-9
^aSmaller sample number due to lack of response to one or more questions of the variable