Table 2.

Hierarchical regression predicting Facebook addiction and state anxiety without Facebook

	Facebook addiction		State anxiety without Facebook
	β	t	β	t
Block 1: Demographics
Male	−0.085	1.513	−0.051	−0.891
Age	0.020	0.314	0.015	0.237
Education	0.102	1.540	0.013	0.190
Household income	−0.045	−0.791	0.021	0.362
White	−0.083	−1.612	−0.092	−1.569
ΔR2	.025		.011
Block 2: Personality
Trait anxiety	0.121	1.926*	0.119	1.808*
ΔR2	.032*		.013*
Block 3: Facebook use
Facebook use intensity	0.573	12.258***	0.567	11.869***
ΔR2	.318***		.312***
Block 4: Different types of Facebook activities
Broadcasting	0.200	3.013**	0.171	2.493**
Directed communication	0.037	0.696	−0.091	−1.665
ΔR2	.035**		.015*
Block 5: Facebook addiction
Facebook addiction	–		0.291	5.226***
ΔR2			.047***
Block 5: Gender × Trait
Gender × Trait anxiety	0.204	3.161**	−0.036	−0.954
ΔR2	.032**		.003
Total ΔR2	.442		.401

Note. β: standardized regression coefficients.

*p < .05. **p < .01. ***p < .001.