Longitudinal relationships among problematic mobile phone use, bedtime procrastination, sleep quality and depressive symptoms in Chinese college students: a cross-lagged panel analysis

Table 2 Cross-Lagged Model

Path	Effect	SE	LLCI	ULCI
PMPU-T1 to PMPU-T2	0.423	0.031	0.361	0.481
PMPU-T1 to Bedtime procrastination-T2	0.076	0.034	0.008	0.141
PMPU-T1 to Sleep quality-T2	0.063	0.032	0.001	0.126
PMPU-T1 to Depressive symptoms-T2	0.113	0.038	0.037	0.187
Bedtime procrastination-T1 to Bedtime procrastination-T2	0.362	0.035	0.294	0.433
Bedtime procrastination-T1 to PMPU-T2	0.092	0.031	0.032	0.153
Bedtime procrastination-T1 to Sleep quality-T2	0.096	0.029	0.038	0.154
Bedtime procrastination-T1 to Depressive symptoms-T2	0.101	0.031	0.042	0.163
Sleep quality-T1 to Sleep quality-T2	0.368	0.034	0.301	0.435
Sleep quality-T1 to Bedtime procrastination-T2	0.156	0.036	0.087	0.230
Sleep quality-T1 to Depressive symptoms-T2	0.080	0.039	0.002	0.157
Depressive symptoms-T1 to Depressive symptoms-T2	0.320	0.039	0.242	0.398
Depressive symptoms -T1 to PMPU-T2	0.151	0.035	0.083	0.217
Depressive symptoms -T1 to Sleep quality-T2	0.105	0.036	0.033	0.177

SE Standard error, LLCI lower limit confidence interval 95%, ULCI upper limit confidence interval 95%

ISSN: 1471-244X