Variable

Model 3

Model 4

B

SE

B

SE

Gender

−13.8821***

1.914

−12.1143***

1.9206

Ethnicity

15.6237***

2.783

14.9642***

2.7718

Family socioeconomic status

8.4694***

1.571

8.2421***

1.5872

Types of urban-rural schools

34.085***

2.453

34.575***

2.472

Computer information activity (CIA)

3.199**

1.035

3.685***

1.038

Computer basic skills

18.384***

1.275

15.591***

1.224

Computer advanced skills

−17.450***

1.190

−17.423***

1.193

Using years

2.091*

1.019

1.604

1.560

CIA *Basic skills

6.580***

1.230

CIA *Advanced skills

1.779

1.218

CIA * using years

2.710*

1.214

R2

0.132***

0.122***

F

51.55

53.21