Table 2.
Items, Rates of Past 12-Month Endorsement, Item Response Model Severity Estimates, and Differential Item Functioning by Race
| Race statistics |
Pairwise comparisons |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| White |
Black |
Hispanic/Latino |
White versus Black |
White versus Hispanic |
Hispanic versus Black |
||||
| Item content (least to most severe) | % (n = 3,791) | EST (nm = 1,580) | % (n = 1,507) | EST (nm = 355) | % (n = 721) | EST (nm = 281) | DIF | DIF | DIF |
| 12 or more drinks | 32.9 | –2.77 | 17.3 | –2.41 | 29.4 | –2.44 | –0.36 | –0.33 | 0.03 |
| Gotten drunk | 32.3 | –2.67 | 14.9 | –1.85 | 27.2 | –2.08 | –0.82* | –0.59* | 0.23 |
| 5 drinks in a row | 30.4 | –2.33 | 13.1 | –1.43 | 28.3 | –2.28 | –0.90* | –0.05 | 0.85* |
| Hung over | 21.0 | –0.98 | 10.0 | –0.71 | 20.8 | –1.12 | –0.27 | 0.14 | 0.41 |
| Threw up | 20.9 | –0.96 | 9.5 | –0.60 | 17.2 | –0.62 | –0.36 | –0.34 | 0.02 |
| Monthly | 19.7 | –0.8 | 11.5 | –1.05 | 16.8 | –0.56 | 0.25 | –0.24 | –0.49 |
| Regret action | 16.0 | –0.31 | 8.4 | –0.34 | 14.1 | –0.18 | 0.03 | –0.13 | –0.16 |
| Weekly | 10.1 | 0.57 | 7.4 | –0.09 | 10.0 | 0.49 | 0.66* | 0.08 | –0.58* |
| Parent problem | 10.6 | 0.49 | 4.9 | 0.57 | 11.0 | 0.32 | –0.08 | 0.17 | 0.25 |
| Date problem | 9.3 | 0.7 | 5.3 | 0.47 | 10.8 | 0.34 | 0.23 | 0.36 | 0.13 |
| Regret sexual situation | 9.4 | 0.69 | 4.5 | 0.72 | 8.0 | 0.84 | –0.03 | –0.15 | –0.12 |
| Physical fight | 6.8 | 1.18 | 3.6 | 1.02 | 7.8 | 0.9 | 0.16 | 0.28 | 0.12 |
| Friend problem | 6.8 | 1.18 | 2.9 | 1.33 | 7.9 | 0.87 | –0.15 | 0.31 | 0.46 |
| School problem | 3.2 | 2.19 | 2.2 | 1.69 | 3.2 | 2.14 | 0.50 | 0.05 | –0.45 |
| Daily | 0.8 | 3.82 | 0.9 | 2.69 | 1.1 | 3.38 | 1.13* | 0.44 | –0.69 |
EST, Rasch model severity estimate; DIF, differential item functioning; nm, number of participants with at least one but not all symptoms, who thereby are included in the Rasch model.
DIF that was statistically significant at the 0.05 level and above a moderate effect size cut-off point of 0.50.