Table 1. Descriptive Characteristics for Analytic Sample at the Prebaseline Wave.
| Characteristic | Dataa |
|---|---|
| Sex | |
| Female | 1250 (55.2) |
| Male | 1013 (44.8) |
| Age, mean (SD), y | 16.5 (0.4) |
| Race and ethnicity | |
| Asian | 444 (19.6) |
| Black | 89 (3.9) |
| Hispanic/Latinx | 1001 (44.2) |
| Non-Hispanic/Latinx White | 375 (16.6) |
| Otherb | 354 (15.6) |
| Free or reduced-cost lunch | |
| Not eligible | 1148 (53.6) |
| Eligible | 992 (46.4) |
| Cyberbullying | |
| Not bullied | 1896 (88.7) |
| Bullied | 242 (11.3) |
| Subjective social status at school, mean (SD) scorec | 6.8 (1.8) |
| Delinquent behavior, mean (SD) scored | 13.8 (4.4) |
| ADHD symptoms, mean (SD) scoree | 11.0 (9.7) |
| Past 6-mo alcohol use | |
| No | 1639 (73.7) |
| Yes | 584 (26.3) |
| Past 6-mo nicotine, cannabis, and/or illicit drug use | |
| No | 1716 (76.9) |
| Yes | 514 (23.0) |
Abbreviation: ADHD, attention-deficit/hyperactivity.
Unless otherwise indicated, data are expressed as number (%) of students. Percentages have been rounded and may not total 100. Descriptive statistics are based on available data and numbers may total less than the 2263 students included in the analysis.
Includes American Indian or Alaska Native, Native Hawaiian or Pacific Islander, multiracial, and other race or ethnicity.
Measured with the MacArthur Scale of Subjective Social Status (range, 1-10, with higher scores indicating greater perceived status).
Measured with a scale assessing the frequency of 11 behaviors (eg, lying to parents, skipping school) in the past 6 months (range, 6-66; higher scores indicate engaging in delinquent behaviors).
Measured with the 18-item Current Symptoms Self-report Form; each item is scored from 0 to 3, and a total score is obtained by summing the items (range, 0-54, with higher scores indicating a higher frequency of experiencing symptoms of ADHD).