Table 1.

Means and standard deviations among university students' smartphone addiction and its influencing factors at T1 and T2

Variable	M	SD	Variable	M	SD
Smartphone addiction T1	52.16	13.84	Smartphone addiction T2	52.39	15.49
Procrastination behaviour T1	44.38	9.53	Procrastination behaviour T2	47.52	9.38
Academic burnout T1	53.04	10.83	Academic burnout T2	56.13	9.63
Self-control T1	62.19	9.18	Self-control T2	61.85	8.92
Fear of missing out T1	17.74	5.43	Fear of missing out T2	17.61	5.72
Social anxiety T1	43.75	9.58	Social anxiety T2	43.46	8.87
Perceived social support T1	60.09	13.99	Perceived social support T2	55.70	15.59
Life satisfaction T1	21.49	6.18	Life satisfaction T2	21.50	6.06
Self-esteem T1	26.90	4.97	Self-esteem T2	27.05	4.71