Table 1.
Pretest Differences in MET versus Control Participants1
| Variable2 | MET (n = 45) |
Control (n = 36) |
Test for Difference |
|---|---|---|---|
| Gender (% male) | N=26 58% |
N=21 58% |
χ2(1) < 1, ns |
| Age | 15.98 (1.30) |
15.97 (1.36) |
t (79) = 0.02, ns |
| Race (% Caucasian) | 84.44% | 72.22% | χ2(1) = 1.80, ns |
| Age when first smoked cigarette | 11.93 2.83 |
11.97 2.30 |
t (77) = −0.07, ns |
| Average Number of Cigarettes Smoked Past Month | 11.73 (8.18) |
8.96 (8.66) |
t (74) = 1.33, ns |
| Salivary Cotinine | 167.06 (144.63) |
236.19 (195.95) |
t (74) = 0.08, ns |
| Alcohol Use Frequency3 | .09 (.71) |
−.11 (.76) |
t (78) = -1.09, ns |
| ImpSS | 11.02 (3.46) |
11.03 (3.64) |
t (72) = −0.01, ns |
1
Additional data collected at baseline and follow-up (e.g., nicotine dependence, carbon monoxide) are available from the first author.
2
Standard deviations appear in parentheses below the means of continuous variables.
3
Scale is the mean of three standardized variables (z-scores) reflecting quantity and frequency of alcohol use and frequency of getting drunk.