TABLE 3.
Proportion of respondents reporting use of cigarettes, alcohol and illicit drugs by mode of administration.
| Audio CASI | Video CASI | Paper SAQ | P | |
|---|---|---|---|---|
| CIGARETTES | ||||
| Past 30 Days | 0.43 | 0.58 | 0.46 | .82 |
| Past 12 Months | 0.43 | 0.67 | 0.46 | .65 |
| Ever in Lifetime | 0.93 | 1.00 | 0.69 | .02 1 |
| ALCOHOL | ||||
| Past 30 Days | 0.43 | 0.58 | 0.46 | .82 |
| Past 12 Months | 0.64 | 0.75 | 0.62 | .63 |
| Ever in Lifetime | 0.86 | 0.92 | 0.77 | .35 |
| MARIJUANA | ||||
| Past 30 Days | 0.21 | 0.17 | 0.0 | .09 1 |
| Past 12 Months | 0.29 | 0.50 | 0.08 | .04 1 |
| Ever in Lifetime | 0.64 | 0.83 | 0.46 | .10 1 |
| COCAINE | ||||
| Past 30 Days | 0.00 | 0.00 | 0.00 | -- |
| Past 12 Months | 0.07 | 0.08 | 0.00 | .31 |
| Ever in Lifetime | 0.29 | 0.33 | 0.00 | .03 1 |
| CRACK | ||||
| Past 30 Days | 0.00 | 0.00 | 0.00 | -- |
| Past 12 Months | 0.07 | 0.17 | 0.00 | .20 |
| Ever in Lifetime | 0.21 | 0.17 | 0.00 | .09 1 |
| Ns 2 | 14 | 12 | 13 | |
Notes. In Audio-CASI administration, questions were displayed on PC screen simultaneously with their audio presentation. (Respondents had option of turning off this video display, but none did so.)
1
Paper SAQ different from Video-CASI and Audio-CASI at p < 0.10 by t-test; Video-CASI and Audio-CASI not significantly different from each other by same test.
2
Ns shown are the minimum sample size for calculation of any proportion shown in the column.