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

From: College students and use of K2: an emerging drug of abuse in young persons

Characteristic Sample
n (%)
K2 use
n (row %)
p-valuea
(Wald χ2, df)
aORb
(95% CI, p value)
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)   -
   Otherc 25 (3) 2 (8)   -
Year in school     
   3rd year or above 252 (30) 11 (4) <0.01 (6.9, 1) 1.0 (reference)
   1st / 2nd year 589 (70) 58 (10)   2.4 (1.2-5.0, 0.02)
Relationship     
   Married/Engagedd 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-campuse 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)   -
  1. df, degree of freedom; aOR, adjusted Odds Ratio; CI, Confidence Interval
  2. a Chi-square analyses compare the proportion of those with and without K2 use for each sociodemographic characteristic (Wald χ2 and degree of freedom are presented)
  3. b Multivariate logistic regression model includes gender, year in college, relationship, and living arrangements.
  4. c Respondents in "other" race group are Native American/Alaskan Native and multiracial or biracial, including Asian/Black or White/Black.
  5. d Married/Engaged indicates students who were married, divorced or engaged.
  6. e On-campus includes students living in campus residence hall, fraternity/sorority house and other university/college housing.
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