Table 1 Associations between characteristics of college students and K2 use (N = 852)

Age

   18-19

572 (68)

55 (10)

0.02 (5.2, 1)

-

   20+

265 (32)

13 (5)

-

Gender

   Female

397 (47)

22 (6)

<0.01 (6.9, 1)

1.0 (reference)

   Male

452 (53)

47 (10)

2.0 (1.2-3.5, 0.01)

Race

   White

492 (59)

43 (9)

0.43 (3.8, 4)

-

   Hispanic

145 (17)

15 (10)

-

   African American

66 (8)

2 (3)

-

   Asian/Pacific Islander

107 (13)

7 (7)

-

   Other^c

25 (3)

2 (8)

-

Year in school

   3^rd year or above

252 (30)

11 (4)

<0.01 (6.9, 1)

1.0 (reference)

   1^st / 2^nd year

589 (70)

58 (10)

2.4 (1.2-5.0, 0.02)

Relationship

   Married/Engaged^d

296 (36)

17 (6)

0.06 (3.6, 1)

1.0 (reference)

   Single

536 (64)

51 (10)

1.5 (0.8-2.6, 0.20)

Living arrangement

   On-campus^e

243 (29)

22 (9)

0.32 (1.0, 1)

1.0 (reference)

   Off-campus

596 (71)

45 (8)

1.2 (0.7-2.1, 0.49)

Cigarettes Ever

   Yes

288 (34)

53 (18)

<0.01 (61.1, 1)

-

   No

555 (66)

16 (3)

-

Marijuana Ever

   Yes

294 (36)

63 (21)

<0.01 (106.6, 1)

-

   No

535 (65)

5 (1)

-

Hookah Ever

   Yes

331 (39)

61 (18)

<0.01 (76.8, 1)

-

   No

511 (61)

8 (2)

-