Table 1.
Descriptive Statistics and Examination of Differences between Conditions at the Baseline Session
| Variable | Total Sample (n = 183) | Alone (n = 61) | Present (n = 61) | Encouraging (n = 61) | F/χ2 | p |
|---|---|---|---|---|---|---|
| Days Between Sessions | 9.62 (3.88) | 8.89 (3.56) | 10.36 (4.04) | 9.60 (3.95) | 2.24 | .11 |
| Target Demographic Variables | ||||||
| Age (M(SD)) | 19.00 (.57) | 19.10 (.57) | 19.10 (.60) | 19.30 (.53) | 2.46 | .09 |
| Gender (% Female) | 63.9 | 62.3 | 68.9 | 60.7 | 1.00 | .61 |
| Race (% non-Hispanic White) | 53.0 | 50.8 | 54.1 | 54.1 | 3.30 | .97 |
| Risk-Taking Behavior (M(SD)) | 1.60 (1.63) | 1.64 (1.75) | 1.29 (1.33) | 1.87 (1.76) | 1.90 | .15 |
| Friend 1 Demographic Variables | ||||||
| Age (M(SD)) | 19.25 (.81) | - | 19.20 (.83) | 19.31 (.79) | .61 | .44 |
| Gender (% Female) | 63.9 | - | 67.2 | 60.7 | .57 | .45 |
| Race (% non-Hispanic White) | 55.7 | - | 59.0 | 52.5 | 1.39 | .85 |
| Length of Friendship (M(SD)) | 30.64 (45.29) | 23.36 (31.47) | 38.17 (55.41) | 3.27 | .07 | |
| Friend 2 Demographic Variables | ||||||
| Age M (M(SD)) | 19.37 (1.23) | - | 19.23 (.76) | 19.51 (1.57) | 1.56 | .21 |
| Gender (% Female) | 63.9 | - | 67.2 | 60.7 | .57 | .45 |
| Race (% non-Hispanic White) | 59.0 | - | 57.4 | 60.7 | 6.40 | .27 |
| Length of Friendship (M(SD)) | 22.74 (30.60) | 21.68 (26.56) | 23.81 (34.43) | .14 | .71 | |
| BART | ||||||
| PumpsAdjAvg (M(SD)) | 38.61 (12.40) | 37.79 (13.76) | 40.08 (12.12) | 37.97 (11.27) | .64 | .53 |
Note. The reported sample size is for the number of targets (total and in each condition). BART = Balloon Analogue Risk Task; PumpsAdjAvg = Pumps Adjusted Average.