Table 1.
Sociodemographic characteristics (baseline) | Mean (SD) / % |
---|---|
Age (years) | 9.9 (0.6) |
Sex, n (%) | |
Female | 48.8% |
Male | 51.2% |
Race/ethnicity (%) | |
White | 52.2% |
Latino / Hispanic | 20.0% |
Black | 17.3% |
Asian | 5.5% |
Native American | 3.2% |
Other | 1.9% |
Household income (%) | |
Less than $25,000 | 18.7% |
$25,000 through $49,999 | 20.4% |
$50,000 through $74,999 | 17.5% |
$75,000 through $99,999 | 13.4% |
$100,000 through $199,999 | 22.6% |
$200,000 and greater | 7.4% |
Parent with college education or more (%) | 79.7% |
Major depressive disorder (%) | 0.2% |
Family history of psychopathology (%) | 59.7% |
Screen time variables (baseline) | |
Total screen time | 3.99 (3.16) |
Television shows/movies | 1.31 (1.31) |
Videos (e.g. YouTube) | 1.05 (1.18) |
Video games | 1.06 (1.13) |
Texting | 0.24 (0.56) |
Video chat | 0.21 (0.52) |
Social networking | 0.13 (0.45) |
Suicidal behaviors, DSM-5⁎ | |
Suicidal behaviors, two-year follow-up | 1.38% |
Propensity weights were applied to yield nationally representative estimates based on the American community survey from the US Census. SD = standard deviation.
⁎ Suicidal behaviors were defined as reporting present passive suicidal ideation, non-specific active suicidal ideation, active suicidal ideation with a plan, active suicidal ideation with a method, active suicidal ideation with intent, preparatory actions towards suicide, a recent suicide attempt, or an aborted suicide attempt.