Table 9.

Regression results with a sense of calm as a mediator.

Dependent variable and predictors		B	SE (95% CI)	t Test (df)	P value
Sense of calm (R=0.71, R²=0.51, mean standard error=2.62,F (3, 514)=175.46, P<.001)
	Constant	0.09	0.71 (–1.31 to 1.48)	0.13 (514)	.90
	Video game played	0.22	0.45 (–0.66 to 1.11)	0.49 (514)	.62
	Nostalgia	1.03	0.45 (0.14 to 1.91)	2.78 (514)	.02
	Video game played × nostalgia	1.08	0.28 (0.52 to 1.64)	3.79 (514)	<.001
Happiness (R=0.76, R²=0.57, mean standard error=1.12, F(4, 513)=172.01, P<.001)
	Constant	0.14	0.47 (–0.78 to 1.05)	0.29 (513)	.77
	Video game played	0.66	0.29 (0.08 to 1.24)	2.24 (513)	.03
	Sense of calm	0.30	0.03 (0.24 to 0.36)	10.37 (513)	<.001
	Nostalgia	0.77	0.30 (0.19 to 1.35)	2.50 (513)	.01
	Video game played × nostalgia	0.13	0.19 (–0.25, to 0.49)	0.65 (513)	.51