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. Author manuscript; available in PMC: 2026 Jan 30.
Published before final editing as: J Child Media. 2026 Jan 4:10.1080/17482798.2025.2606976. doi: 10.1080/17482798.2025.2606976

Table 2.

Hierarchical Regression Analyses: Incremental Validity of the MEMO-C

Joint Media Engagement Child Problematic Media Use Child Internalizing Behavior Problem Child Externalizing Behavior Problem
Predictors R2/ΔR2 B (SE) R2/ΔR2 B (SE) R2/ΔR2 B (SE) R2/ΔR2 B (SE)

Step 1 (Demographics) R2 = .11*** R2 = .07** R2 = .07** R2 = .06**

Step 2 (Child Screen Time) R2 = .12*
ΔR2 = .01*
R2 = .16***
ΔR2 = .08***
R2 = .10***
ΔR2 = .03***
R2 = .07***
ΔR2= .01**

Step 3
(MEMO-C)
R2 = .26***
ΔR2 = .13***
R2 = .32***
ΔR2 = .17***
R2 = .15***
ΔR2 = .05***
R2 = .14***
ΔR2 = .06***
 Regulate 0.13*(0.06) 0.32***(0.05) 2.06***(0.57) 1.21 (0.58)
 Occupy 0.03 (0.05) 0.12** (0.04) 0.63 (0.49) 1.90***(0.53)
 Connect 0.28***(0.04) -0.01 (0.04) -0.87*(0.42) -0.84 (0.46)

Note. Unstandardized betas and p-values in the full model are reported. The reference group of the Parent Race category is White (the largest subgroup) and the reference group of the Parent Education category is a 4-year college degree.

*

p < .05

**

p < .01

***

p < .001