Table 1.
Sociodemographic, screen time, and obsessive-compulsive disorder diagnoses of 9,208 Adolescent Brain Cognitive Development (ABCD) Study participants
| Total N=9,208 |
OCD (baseline) n=666 |
No OCD (baseline) n=8,542 |
||
|---|---|---|---|---|
| Sociodemographic characteristics (baseline) | Mean (SD) / % | Mean (SD) / % | Mean (SD) / % | pa |
| Age (years) | 9.94 (0.62) | 9.94 (0.60) | 9.93 (0.63) | 0.979 |
| Sex, n (%) | <0.001 | |||
| Female | 48.9% | 40.0% | 49.7% | |
| Male | 51.1% | 60.0% | 50.3% | |
| Race/ethnicity (%) | 0.002 | |||
| White | 56.5% | 52.4% | 56.9% | |
| Latino / Hispanic | 18.6% | 19.2% | 18.5% | |
| Black | 15.3% | 20.4% | 14.9% | |
| Asian | 5.2% | 3.2% | 5.3% | |
| Native American | 3.1% | 4.3% | 3.0% | |
| Other | 1.3% | 0.6% | 1.4% | |
| Household income (%) | <0.001 | |||
| Less than $25,000 | 16.7% | 29.9% | 15.6% | |
| $25,000 through $49,999 | 20.1% | 21.6% | 20.0% | |
| $50,000 through $74,999 | 17.9% | 17.7% | 17.9% | |
| $75,000 through $99,999 | 14.1% | 10.7% | 14.4% | |
| $100,000 through $199,999 | 23.6% | 16.1% | 24.2% | |
| $200,000 and greater | 7.6% | 3.9% | 7.9% | |
| Parent with college education or more (%) | 83.7% | 75.1% | 84.4% | <0.001 |
| Major depressive disorder (%) | 0.2% | 0.1% | 0.2% | 0.695 |
| Family history of psychopathology (%) | 60.1% | 73.4% | 58.9% | <0.001 |
| Screen time variables (baseline) | ||||
| Total screen time | 3.88 (3.06) | 4.49 (3.10) | 3.83 (3.06) | <0.001 |
| Television shows/movies | 1.29 (1.06) | 1.46 (1.10) | 1.28 (1.05) | <0.001 |
| Videos (YouTube) | 1.02 (1.16) | 1.23 (1.27) | 1.01 (1.15) | <0.001 |
| Video games | 1.03 (1.11) | 1.26 (1.20) | 1.01 (1.10) | <0.001 |
| Texting | 0.23 (0.54) | 0.23 (0.55) | 0.21 (0.43) | 0.144 |
| Video chat | 0.19 (0.48) | 0.19 (0.48) | 0.19 (0.48) | 0.866 |
| Social networking | 0.11 (0.40) | 0.14 (0.45) | 0.11 (0.40) | 0.184 |
Propensity weights were applied to yield estimates based on the American Community Survey from the US Census. SD = standard deviation.
a
p-value from independent samples t-test (continuous variables) or adjusted F, a variant of the second-order Rao-Scott adjusted chi-square test (binary or categorical variables).