Table 1.
Sociodemographic and screen time characteristics of Adolescent Brain Cognitive Development (ABCD) Study participants (N = 8753).
| Mean (SD)/% | |
|---|---|
| Sociodemographic characteristics | |
| Age (years) | 12.0 (0.7) |
| Sex (%) | |
| Female | 47.8 |
| Male | 52.2 |
| Race/ethnicity (%) | |
| White | 55.3 |
| Latinx/Hispanic | 19.4 |
| Black | 15.7 |
| Asian | 5.1 |
| Native American | 3.2 |
| Other | 1.3 |
| Primary language of adolescent (%) | |
| English | 88.9 |
| Non-English | 11.1 |
| Household income (%) | |
| Less than $75,000 | 48.0 |
| $75,000 and greater | 52.0 |
| Parents’ highest education (%) | |
| High school education or less | 14.9 |
| College education or more | 85.1 |
| Parent marital status (%) | |
| Married/partnered | 70.5 |
| Unmarried/unpartnered | 29.5 |
| Screen time | |
| Total recreational screen time | 7.34 (5.81) |
| Television | 1.68 (1.83) |
| Videos | 1.48 (1.93) |
| Single-player video games | 1.07 (1.69) |
| Multi-player video games | 1.20 (1.84) |
| Texting | 0.75 (1.59) |
| Social media | 0.76 (1.68) |
| Video chat | 0.51 (1.37) |
| Browsing the internet | 0.37 (0.80) |
| Problematic screen use measures | |
| Video Game Addiction Questionnaire Scorea | 2.09 (1.08) |
| Social Media Addiction Questionnaire Scoreb | 1.85 (0.90) |
| Mobile Phone Involvement Questionnaire Scorec | 3.10 (1.12) |
ABCD propensity weights were applied based on the American Community Survey from the US Census.
SD standard deviation.
aAsked among a subset who reported video game use (n = 7595).
bAsked among a subset who reported social media use (n = 5652).
cAsked among a subset who reported mobile use (n = 7361).