TABLE 4.

Predictive models for the students' depression

Variables	Model 1			Model 2			Model 3
	[R 2 = 0.013, F = 1.134, adjusted R 2 = 0.002, P = .340]			[R 2 =0.047, F = 2.639, adjusted R 2 = 0.029, P = .003]			[R 2 = 0.100, F = 3.230, adjusted R 2 = 0.069, P < .001]
	B	SE	β	B	SE	β	B	SE	β
Constant	2.609	0.427		3.431	0.492		1.691	0.696
Gender a	0.157	0.121	0.055	0.090	0.124	0.031	0.181	0.128	0.063
Educational status b	0.021	0.102	0.008	0.035	0.102	0.014	0.071	0.103	0.029
Current residence c	−0.043	0.140	−0.013	−0.069	0.140	−0.021	−0.081	0.138	−0.025
MFI d	−0.125	0.082	−0.065	−0.136	0.081	−0.071	−0.151	0.080	−0.079
Family type e	−0.084	0.142	−0.024	−0.124	0.141	−0.036	−0.142	0.139	−0.041
Relationship status f	−0.110	0.093	−0.049	−0.141	0.093	−0.062	−0.084	0.093	−0.037
CLWF g	0.188	0.179	0.044	0.116	0.179	0.027	−0.043	0.180	−0.010
DSH h				−0.130	0.092	−0.058	−0.115	0.091	−0.052
Physical exercise g				−0.504	0.120	−0.177	−0.365	0.121	−0.128
Smoking status g				0.210	0.212	0.041	0.222	0.212	0.043
Perceived health status i				0.183	0.187	0.040	0.124	0.184	0.027
DIUT j							0.226	0.066	0.142
Educational g							−0.191	0.166	−0.049
Messaging g							0.875	0.364	0.110
Gaming g							0.197	0.143	0.060
Video watching g							0.018	0.232	0.003
Social media g							0.072	0.297	0.011
Shopping g							−0.103	0.144	−0.030
News g							−0.202	0.126	−0.068
Others g							0.308	0.127	0.101

Abbreviations: CLWF, currently living with the family; DIUT, daily internet use time; DSH daily sleeping hour; MFI, monthly family income.

^j 1 = Less than 2 hours, 2 = 2 to 3 hours, 3 = 4 to 5 hours, 4 = More than 5 hours.

^a 1 = Male, 2 = Female.

^b 1 = University, 2 = Medical college, 3 = High school.

^c 1 = Rural, 2 = Urban.

^d 1 = Less than 15,000 BDT, 2 = 15,000 to 30,000 BDT, 3 = More than 30,000 BDT.

^e 1 = Joint, 2 = Nuclear.

^f 1 = Single, 2 = In a relationship, 3 = Married.

^g 1 = Yes, 0 = No.

^h 1 = Less than 6 hours, 2 = 6 to 7 hours, 3 = More than 7 hours.

ⁱ 0 = Good, 1 = Bad.