Table 4. Independent correlates of severity of mobile phone addiction.

Variable	B	Beta	t	p
Male gender	−2.99	−0.11	−5.7	<0.001
Living in Macao	2.74	0.12	5.1	<0.001
Living in Hong Kong	2.86	0.10	4.1	<0.001
Actual sleep hours	−1.13	−0.12	−6.1	<0.001
Only child in family	0.77	0.035	1.6	0.09
Interested in academic major	−2.15	−0.097	−4.4	<0.001
High academic pressure	1.99	0.079	3.8	<0.001
Positive perspective on future	−0.58	−0.026	−1.1	0.25
Poor academic performance	1.41	0.11	5.2	<0.001

Note:

Bolded values are p < 0.05.