Table 5.

Coefficients/estimates, standard errors (in brackets), and confidence intervals for the fixed effects of interest and random effects for the Difficulties in Emotion Regulation Scale models.^a

Parameter			DAUb only, estimate (SE), 95% CI		P value		ACEsc and DAU, estimate (SE), 95% CI		P value
Fixed effects
	Intercept	42.81 (0.98), 40.89 to 44.74		<.001		37.32 (1.43), 34.51 to 40.13		<.001
	DAU	−0.25 (0.04), −0.32 to −0.18		<.001		−0.15 (0.06), −0.26 to −0.04		.009
	ACEs	N/Ad		N/A		2.16 (0.43), 1.32 to 3.0		<.001
	ACEs × DAU	N/A		N/A		−0.04 (0.02), −0.07 to −0.01		.02
Variance components
	Residual	48.72 (4.28), 41.01 to 57.87		N/A		47.86 (4.20), 40.30 to 56.84		N/A
	Intercept	108.07 (14.78), 82.66 to 141.29		N/A		93.25 (13.01), 70.95 to 122.57		N/A

^aThe number of observations in these models at level 1 (timepoint) is 417; at level 2 (participant) it is 155.

^bDAU: days of app usage.

^cACEs: adverse childhood experiences.