Table 2. Summary of Logistic Regression Analysis for Race and IUPS Characteristics with Significant Chi-Square Associations (N = 257 students).
| Odds Ratio (SE) | 95% CI | p-value | |
|---|---|---|---|
| Route – Oral | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | .26(.15) | .081,.82 | 0.022* |
| Latinos | .30 (.18) | .092, .97 | 0.044* |
| All Other | .30(.20) | .08, 1.13 | 0.075 |
| Route - Intranasal | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | .35 (.16) | .14, .86 | 0.022* |
| Latinos | .58(.25) | .25, 1.34 | 0.202 |
| All Other | .29(.17) | .09, .94 | 0.038* |
| Route – Smoking | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | 3.76(1.55) | 1.67,8.44 | 0.001** |
| Latinos | 2.82(1.21) | 1.21,6.53 | 0.016* |
| All Other | 3.12(1.49) | 1.22,7.97 | 0.017* |
| Cost - $1-$5 per pill | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | .35(.14) | .16,.75 | 0.007** |
| Latinos | .50(.20) | .22,1.10 | 0.085 |
| All Other | .42(.20) | .16,1.06 | 0.067 |
| Cost - >$10 per pill | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | 3.24(1.80) | 1.09,9.64 | 0.035* |
| Latinos | 3.84(2.20) | 1.25,11.82 | 0.019* |
| All Other | 1.33(.10) | .30,5.81 | 0.709 |
| Source – Myself*** | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | .16(.12) | .03,.74 | 0.019* |
| Latinos | .30(.21) | .08, 1.15 | 0.079 |
| All Other | 1.79(.91) | .66, 4.83 | 0.254 |
| Source – Friend | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | .55(.40) | .13, 2.31 | 0.414 |
| Latinos | .37(.25) | .10, 1.37 | 0.136 |
| All Other | .12(.08) | .03,.42 | 0.001** |
| Motive – To Improve Focus | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | .30(.12) | .14, .67 | 0.003** |
| Latinos | .59(.25) | .26, 1.34 | 0.207 |
| All Other | .31(.15) | .12,.79 | 0.014* |
| Motive – To Stay Awake | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | .32(.13) | .15, .70 | 0.004** |
| Latinos | .61(.24) | .28, 1.32 | 0.209 |
| All Other | .20(.10) | .08, .52 | 0.001** |
| Motive – To Improve Concentration | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | .36(.14) | .17,.78 | 0.010* |
| Latinos | .82(.35) | .35, 1.91 | 0.649 |
| All Other | .62(.31) | .23, 1.66 | 0.339 |
| Motive – To Party Longer | |||
| Whites | 1.00 (ref) | -- | -- |
| Asians | .37(.16) | .16, .88 | 0.025* |
| Latinos | .47(.20) | .21, 1.06 | 0.070 |
| All Other | .80(.40) | .30, 2.14 | 0.662 |
*
Refers to p-values significant at p<0.05
**
Refers to p-values significant at p<0.01
***
Myself refers to having a personal prescription for stimulant medication from a provider.