TABLE 3.
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.)
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.
Ns shown are the minimum sample size for calculation of any proportion shown in the column.