Table 3.

Bivariable correlates of reporting an adverse effect from use of alcohol, cannabis, cocaine, or ecstasy.

	Alcohol (n = 1523)		Cannabis (n = 1129)		Cocaine (n = 411)		Ecstasy (n = 367)
	No %	Yes %	No %	Yes %	No %	Yes %	No %	Yes %
Age—Mean (SD)	27.0 (5.9)	25.7 (5.0)c	26.7 (5.6)	24.5 (4.2)c	26.8 (5.3)	26.3 (5.1)	27.6 (5.3)	25.5 (4.3)b
Sex
Male	56.1	50.8	56.5	47.6a	58.3	68.8	64.7	60.0
Female	43.9	49.2	43.5	52.4	41.7	31.3	35.3	40.0
Race/Ethnicity
White	50.8	50.1	50.5	46.4a	58.3	46.3	51.3	43.6
Black	7.4	7.1	8.2	8.9	4.5	6.3	3.9	3.6
Hispanic	18.6	19.5	18.9	18.5	13.6	21.3	21.5	27.3
Asian	14.3	14.5	12.8	20.8	14.2	12.5	15.4	12.7
Other/Mixed	9.0	8.8	9.6	5.4	9.4	13.8	8.0	12.7
Education
≥College Degree	70.9	69.4	68.8	62.5	74.3	62.5a	71.5	61.8
<College Degree	29.1	30.6	31.2	37.5	25.7	37.5	28.5	38.2
Sexual Orientation
Heterosexual	66.7	63.9b	64.4	60.7	59.8	66.3	61.2	63.6
Gay/Lesbian	16.2	12.1	14.5	13.7	15.1	16.3	18.6	21.8
Bisexual	14.1	18.8	16.7	20.2	21.2	13.8	17.0	12.7
Other	3.0	5.2	4.5	5.4	3.9	3.8	3.2	1.8
Party Attendance
Never /1–2 Times Per Year	18.4	16.2	15.3	13.1	8.8	6.3	7.7	7.3
Every Few Months	24.1	23.3	23.9	24.4	17.2	20.0	16.4	18..2
Monthly	19.3	19.7	20.4	17.9	19.0	13.8	20.8	12.7
Every Other Week	19.6	20.9	20.1	26.2	24.2	21.3	25.3	27.3
Every Week or More Often	18.6	20.0	20.3	18.5	30.8	38.8	29.8	34.6
Past-Month Drug Use
0–2 Drugs	51.9	53.4	39.7	53.0b	6.3	17.5a	8.3	16.4
3–4 Drugs	31.5	31.6	39.9	25.6	46.2	41.3	45.5	41.8
5–6 Drugs	11.6	10.5	14.3	14.9	32.9	28.8	30.1	29.1
≥7 Drugs	4.8	4.5	6.2	6.6	14.5	12.5	15.1	12.7
Where Surveyed
Nightclub	85.9	87.9	86.0	89.9	92.2	90.0	85.3	81.8
Festival	14.1	12.1	14.0	10.1	7.8	10.0	14.7	18.2

Note. SD = standard deviation.

^a< 0.05.

^bp < 0.01.

^cp < 0.001.