Table 2. Descriptive Statistics of Societal Discrimination Concern Measure and Behavioral Health Outcomes.
| Variable | Survey, No. (%)a | P Value | |
|---|---|---|---|
| Baseline | Follow-up | ||
| 3-Item composite score, mean (SD)b | 1.56 (1.21) | 1.71 (1.24) | <.001c |
| Item Responses | |||
| Concerned | |||
| Not at all | 581 (23.0) | 467 (20.3) | .009d |
| Slightly | 294 (11.7) | 252 (10.9) | |
| Somewhat | 601 (23.8) | 555 (24.1) | |
| Very | 554 (22.0) | 558 (24.2) | |
| Extremely | 493 (19.5) | 470 (20.4) | |
| Worried | |||
| Not at all | 685 (27.4) | 579 (25.3) | .003d |
| Slightly | 434 (17.3) | 388 (17.0) | |
| Somewhat | 640 (25.6) | 527 (23.0) | |
| Very | 411 (16.4) | 459 (20.1) | |
| Extremely | 332 (13.3) | 336 (14.7) | |
| Stressed | |||
| Not at all | 1174 (47.2) | 1016 (44.7) | .005d |
| Slightly | 549 (22.1) | 484 (21.3) | |
| Somewhat | 419 (16.8) | 419 (18.4) | |
| Very | 160 (6.4) | 168 (7.4) | |
| Extremely | 185 (7.4) | 185 (8.1) | |
| Behavioral Health Outcomes | |||
| Cigarette use in the past 30 d | |||
| Mean (SD) d | 0.27 (2.36) | 0.41 (2.73) | NA |
| 0 d | 2474 (96.8) | 2415 (95.1) | <.001d |
| 1-2 d | 44 (1.7) | 53 (2.1) | |
| 3-5 d | 15 (0.6) | 23 (0.9) | |
| ≥6 d | 24 (0.9) | 48 (1.9) | |
| Marijuana use in the past 30 d | |||
| Mean (SD) d | 1.26 (4.55) | 1.89 (5.76) | NA |
| 0 d | 2180 (85.2) | 2002 (79.1) | <.001d |
| 1-2 d | 135 (5.3) | 218 (8.6) | |
| 3-5 d | 94 (3.7) | 99 (3.9) | |
| ≥6 d | 150 (5.9) | 211 (8.3) | |
| Alcohol use in the past 30 d | |||
| Mean (SD) d | 0.85 (2.57) | 1.16 (2.76) | NA |
| 0 d | 2007 (78.5) | 1753 (70.0) | <.001d |
| 1-2 d | 350 (13.7) | 507 (20.2) | |
| 3-5 d | 114 (4.5) | 139 (5.5) | |
| ≥6 d | 86 (3.4) | 107 (4.3) | |
| No. of substances used in past 6 moe | |||
| Mean (SD) | 1.57 (3.07) | 2.01 (3.30) | NA |
| 0 | 1506 (58.7) | 1285 (50.4) | <.001d |
| 1 | 341 (13.3) | 401 (15.7) | |
| 2 | 179 (7.0) | 156 (6.1) | |
| 3-5 | 320 (12.5) | 402 (15.8) | |
| ≥6 | 220 (8.6) | 308 (12.1) | |
| Depression symptomsf | 1004 (39.3) | 1033 (40.7) | .59h |
| ADHD symptomsg | 188 (7.4) | 174 (7.4) | .99h |
Abbreviations: ADHD, attention-deficit/hyperactivity disorder; NA, not applicable.
Available (nonmissing) data for variable and categorical variable denominator for within-column percentages can be found in eTable 1 in the Supplement. Unless otherwise specified, values represent No. (%). Percentages have been rounded and may not total 100.
Calculated as the mean of concern, worry, and stress ratings (0 indicates not at all; 1, slightly; 2, somewhat; 3, very; and 4, extremely).
Calculated using the paired-sample t test for mean differences between baseline and follow-up.
Calculated using the Wilcoxon matched-pair signed rank test for change in rank order between baseline and follow-up.
Answers range from 0 to 27 substances.
Measured using the Center for Epidemiologic Studies Depression Scale total score of at least 16, indicating mild to moderate levels of depressive symptoms.
Measured using the Current Symptoms Scale–Self Report Form for Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition)–defined ADHD diagnostic threshold.
Calculated using the McNemar test for change in prevalence between baseline and follow-up.