Table 6 Interaction effects in the regression model

Age: Achievement Test Score

-0.006

0.0032

3.388

0.066

0.107

High School Grade: Achievement Test Score

-0.003

0.0014

5.306

0.021

0.037

Male: Achievement Test Score

-0.011

0.0048

5.260

0.022

0.023

Married: Achievement Test Score

-0.030

0.0155

3.640

0.056

0.093

Study Year: Achievement Test Score

0.006

0.0036

2.296

0.130

0.141

Age: High School Grade

0.012

0.0032

14.110

 < 0.001

0.001

Age: Mother's Education

0.035

0.0178

3.839

0.050

0.116

Age: Study Year

0.011

0.0065

2.778

0.096

0.108

Father's Education: Study Year

0.026

0.0140

3.515

0.061

0.056

Male: High School Grade

-0.024

0.0135

3.238

0.072

0.125

Married: High School Grade

0.084

0.0289

8.492

0.004

0.002

Male: Study Year

-0.046

0.0242

3.604

0.058

0.055

Male: Was Suspended

-0.341

0.1923

3.141

0.076

0.145

Married: Mother's Education

-0.225

0.0966

5.432

0.020

0.041

Married: Was Suspended

0.878

0.3618

5.890

0.015

0.030

Mother's Education: Study Year

-0.042

0.0219

3.611

0.057

0.116

Achievement Test Score: Aptitude Test Score

0.001

0.0003

6.233

0.013

0.006

Age: Aptitude Test Score

0.009

0.0032

7.185

0.007

0.039

Aptitude Test Score: English Proficiency

0.012

0.0046

6.683

0.010

0.009

High School Grade: Aptitude Test Score

0.004

0.0012

11.226

 < 0.001

0.006

Mother's Education: Aptitude Test Score

-0.007

0.0028

6.710

0.010

0.015

Study Year: Aptitude Test Score

-0.007

0.0037

3.583

0.058

0.117

Married: English Proficiency

0.243

0.1495

2.646

0.104

0.250