Table 1.
Associations between characteristics of college students and K2 use (N = 852)
| 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) | - |
df, degree of freedom; aOR, adjusted Odds Ratio; CI, Confidence Interval
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)
b Multivariate logistic regression model includes gender, year in college, relationship, and living arrangements.
c Respondents in "other" race group are Native American/Alaskan Native and multiracial or biracial, including Asian/Black or White/Black.
d Married/Engaged indicates students who were married, divorced or engaged.
e On-campus includes students living in campus residence hall, fraternity/sorority house and other university/college housing.