Table 4.
Regressions predicting executive function from background TV exposure during different activities and cumulative risk status, split by age.
| Variable | Preschoolers (N = 789) | School age (N = 391) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ΔR2 | B | SE | β | 95th% | ΔR2 | B | SE | β | 95th% | |||
| Low | High | Low | High | |||||||||
| Primary task during background TV (h) | 0.089*** | 0.076* | ||||||||||
| Socializing with family (SOC) | −0.60 | 0.68 | −0.03 | −1.93 | 0.73 | 1.63* | 0.77 | 0.08 | 0.12 | 3.13 | ||
| Playing by self (SELF) | 0.94* | 0.40 | 0.15 | 0.16 | 1.72 | −0.02 | 0.73 | −0.02 | −1.45 | 1.42 | ||
| Playing with others (OTR) | 0.63 | 1.39 | 0.04 | −2.10 | 3.36 | −1.11 | 0.63 | −0.06 | −2.35 | 0.13 | ||
| Academic/enrichment (ACAD) | −0.96 | 0.90 | −0.04 | −2.73 | 0.80 | 2.47 | 1.31 | 0.11 | −0.89 | 5.03 | ||
| Routines/chores (ROUT) | −1.05* | 0.48 | −0.11 | −2.00 | −0.11 | 0.17 | 0.57 | 0.02 | −0.96 | 1.30 | ||
| Eating/drinking (EAT) | 1.61 | 0.85 | 0.11 | −0.06 | 3.29 | −2.65* | 1.15 | −0.13 | −4.90 | −0.40 | ||
| Sleeping (SLEEP) | 0.43 | 0.24 | 0.13 | −0.04 | 0.89 | 1.02*** | 0.32 | 0.32 | 0.41 | 1.64 | ||
| Demographics | 0.028** | 0.091*** | ||||||||||
| Cumulative risk | 1.20** | 0.42 | 0.17 | 0.34 | 2.13 | 1.97** | 0.64 | 0.32 | 0.72 | 3.23 | ||
| Interactions | 0.060*** | |||||||||||
| RISK × SOC | — | −1.87** | 0.64 | −0.10 | −3.14 | −0.61 | ||||||
| RISK × SELF | — | 0.002 | 0.26 | 0.001 | −0.50 | 0.50 | ||||||
| RISK × OTR | — | −0.39 | 0.82 | −0.03 | −1.99 | 1.20 | ||||||
| RISK × ACAD | — | −3.07*** | 0.82 | −0.27 | −4.68 | −1.45 | ||||||
| RISK × ROUT | — | −0.39 | 0.45 | −0.07 | −1.27 | 0.49 | ||||||
| RISK × EAT | — | 1.52 | 1.01 | 0.18 | −0.46 | 3.50 | ||||||
| RISK × SLEEP | — | −0.07 | 0.16 | −0.06 | −0.39 | 0.25 | ||||||
| Total R2 | 0.117*** | 0.227*** | ||||||||||
*p < 0.05; **p < 0.01; ***p < 0.001.