Table 2.

The levels of social media addiction and Internet gaming disorder symptoms by socio-demographic characteristics.

Socio-demographic characteristics	SMA symptoms			IGD symptoms
	Mean ± SD	F/t(df)	Value of p	Mean ± SD	F/t(df)	Value of p
Sex		0.64	0.52		0.20	0.84
Male	9.10 ± 3.68	(656)		1.35 ± 1.99	(155.67)
Female	8.91 ± 3.56			1.29 ± 1.54
Age group		12.03	<0.001		1.04	0.40
18–25	10.68 ± 4.02	(5,641)		1.50 ± 2.06	(5,166)
26–35	11.27 ± 3.78			1.29 ± 1.64
36–45	9.87 ± 3.67			1.86 ± 2.29
46–55	8.81 ± 3.38			1.14 ± 1.28
56–65	8.18 ± 3.45			1.04 ± 1.37
>65	8.03 ± 2.91			0.83 ± 1.20
Current marital status		21.89	<0.001		1.13	0.32
Single	10.46 ± 3.81	(2,641)		1.54 ± 2.00	(2,170)
Cohabiting/married	8.42 ± 3.33			1.15 ± 1.53
Separated/divorced/widowed	0.33 ± 3.99			1.00 ± 1.29
Educational level		21.75	<0.001		0.82	0.44
Primary school or below	7.68 ± 3.09	(2,633)		1.19 ± 1.11	(2,169)
Secondary school	8.37 ± 3.02			1.16 ± 1.56
College or above	10.03 ± 4.05			1.51 ± 2.00
Household income (HKD)		1.60	0.17		2.22	0.07
20,000 or below	8.71 ± 3.59	(3,550)		1.28 ± 1.79	(3,146)
20,001–30,000	9.38 ± 3.66			1.71 ± 1.96
30,001–50,000 > 50,000	9.25 ± 3.409.12 ± 3.36			1.61 ± 2.170.53 ± 0.74
Having chronic diseases (e.g., hypertension, diabetes, and cancer)		−0.61(656)	0.54		0.17(175)	0.87
Yes	8.82 ± 3.47			1.36 ± 1.65
No	9.03 ± 3.64			1.31 ± 1.79
Subjected to mandatory quarantine		1.81(656)	0.07		−0.68(175)	0.50
Yes	10.77 ± 4.66			0.83 ± 1.33
No	8.95 ± 3.57			1.33 ± 1.78

The bold values indicate statistical significance at p < 0.001.