Table 1.
Means, standard deviations, frequencies, and percentages by year for all continuous and categorical variables.
| Year 1 | Year 2 | Year 3 | Year 4 | Overall | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Variable | M | SD | M | SD | M | SD | M | SD | M | SD |
| Age | 18.50 | 0.43 | 19.95 | 0.52 | 20.95 | 0.52 | 21.97 | 0.53 | 20.34 | 0.50 |
| Relationship Satisfaction | 6.39 | 1.07 | 6.20 | 1.09 | 6.17 | 1.13 | 6.16 | 1.16 | 6.25 | 1.11 |
| Partner Alcohol Use | 3.85 | 1.52 | 4.06 | 1.44 | 4.22 | 1.46 | 4.35 | 1.47 | 4.08 | 1.48 |
| Year 1 | Year 2 | Year 3 | Year 4 | |||||||
| Variable | N | % | N | % | N | % | N | % | ||
| Exposed to Precollege IPT | 2,895 | 38.22 | -- | -- | -- | -- | -- | -- | ||
| Exposed to College-Onset IPT | 1,391 | 18.94 | 963 | 20.71 | 651 | 17.66 | 450 | 19.34 | ||
| In a Committed Relationship | 2,190 | 39.44 | 1,982 | 41.90 | 1,713 | 45.70 | 1,113 | 46.98 | ||
| Dating One Person Exclusively | 2,123 | 1,926 | 1,640 | 1,043 | ||||||
Note. IPT = Interpersonal trauma; M = Mean; SD = Standard deviation. N = Frequency of respondents who positively endorsed that variable. % = Percentage of respondents who positively endorsed that variable. Means and standard deviations were calculated using longitudinal data, and frequencies and percentages were calculated using cross-sectional data.