Table 3.

Hierarchical regression analysis of predictors of the total score for mobile phone addiction (CERM total score), and conflicts and interpersonal conflicts factors of the CERM

	CERM total score				CERM conflicts				CERM communication and emotional use
Variables	ΔR2	β	F/t	d	ΔR2	β	F/t	d	ΔR2	β	F/t	d
Step 1	.01		.64		.01		1.31		.01		.68
Gender		.05	.82			.00	.01			.08	1.39
Age		−.01	−.10			.01	.19			−.02	−.33
SES		.06	1.00			.11	1.96			.00	−.05
Step 2	.07		2.87**		.06		2.90**		.05		2.16*	.25
Gender		.06	1.10			.012	.21			.10	1.67
Age		−.04	−.65			−.02	−.29			−.05	−.84
SES		.07	1.15			.12	2.11*	.24		.00	.06
Extraversion		.02	.27			.03	.45			.00	.06
Agreeableness		−.07	−1.07			−.03	−.48			−.09	−1.37
Conscientiousness		−.18	−3.12**	−.36		−.17	−2.90**	−.33		−.16	−2.67**	−.31
Emotional stability		−.09	−1.40			−.12	−1.89			−.04	−.69
Openness to  experience		−.07	−1.26			−.07	−1.26			−.06	−1.00
Step 3	.13		8.54***		.07		5.63***		.14		8.13***
Gender		.03	.58			−.01	−.22			.06	1.18
Age		.00	.02			.01	.22			−.01	−.17
SES		.09	1.75			.14	2.55*	.29		.03	.60
Extraversion		.03	.52			.04	.63			.02	.30
Agreeableness		−.05	−.88			−.02	−.31			−.07	−1.20
Conscientiousness		−.16	−3.00**	−.34		−.16	−2.75**	−.31		−.14	−2.52*	−.29
Emotional stability		.01	.23			−.04	−.69			.06	1.02
Openness to  experience		−.03	−.640			−.04	−.80			−.02	−.34
Experiential  avoidance		.39	7.08***	.81		.29	5.05***	.58		.40	7.27***	.83
Total R2	.18				.12				.17

Note. n = 304; SES = socioeconomic status; CERM = Questionnaire of Experiences Related to Mobile Phones.

^*p < .05.

^**p < .01.

^***p < .001.