Table 1.
Demographic and Clinical Characteristics of study sub-samples.
| Sub-sample 1 | Sub-sample 2 | |||
|---|---|---|---|---|
| M (SD) | % (n) | M(SD) | % (n) | |
| Age | 18.5 (0.44) | - | 18.5(0.43) | - |
| Sex (female) | - | 64.5% (3,449) | - | 63.5% (3,821) |
| Race (White) | - | 53.7% (2,870) | - | 53.1% (3,199) |
| PTSD | - | 29.0% (1,550) | - | 27.6% (1,663) |
| Parent | 9.58 (2.08) | - | 9.56(2.10) | - |
| Peer | 9.22 (4.97) | - | 8.75 (4.97) | - |
| Social support | 9.49 (2.24) | - | 9.47 (2.25) | - |
| Y1S TE | 0.89 (1.14) | 39.2% (2,098) | 0.88 (1.05) | 38.8% (2,333) |
| Y2S TE | 0.64 (.89) | 21.3% (1,138) | 0.62 (.93) | 19.4% (1,157) |
| Y3S TE | 0.53 (.73) | 14.3% (765) | 0.51 (.84) | 13.2% (792) |
| Y4S TE | 0.53 (.77) | 12.0% (642) | 0.51(.86) | 8.5% (510) |
| Y1S AUD sx | 0.54 (1.21) | - | - | - |
| Y2S AUD sx | 1.07 (1.59) | - | - | - |
| Y3S AUD sx | 1.02 (1.50) | - | - | - |
| Y4S AUD sx | 1.14 (1.64) | - | - | - |
| Y1S Consumption | 1.33(1.36) | - | 1.14(1.45) | - |
| Y2S Consumption | 1.50(1.25) | - | 1.33(1.36) | - |
| Y3S Consumption | 1.77(1.06) | - | 1.63(1.18) | - |
| Y4S Consumption | 1.96(.88) | - | 1.95(.89) | - |
Note. TE =traumatic event; Both means of new onset trauma load and percentage of those endorsing new onset trauma at each spring time-point are represented. Y1= Year 1 spring, Y2= Year 2 Spring, Y3= Year 3 Spring, Y4= Year 4 Spring; Sx=symptoms.