Table 3 Results linear regression for association between early academic performance and participation in each preparatory activity

1

A

Intercept

6.29***

6.23, 6.35

Participation in Summer School (yes)

-0.23**

−0.37, − 0.10

B

Intercept

6.44***

6.35, 6.53

Participation in Coaching Day (yes)

−0.34***

− 0.45, − 0.23

C

Intercept

6.06***

5.99, 6.12

Participation in commercial coaching (yes)

−0.11

− 0.46, 0.25

D

Intercept

6.18***

6.13, 6.24

Participation in JMS (yes)

1.14***

0.88, 1.40

E

Intercept

6.22***

6.16, 6.28

Participation in PAP (yes)

0.10

−0.06, 0.27

2

A

Intercept

6.16***

6.04, 6.27

Participation in Summer School (yes)

−0.12

− 0.26, 0.03

Participation in Coaching Day (yes)

−0.14*

− 0.28, − 0.00

Participation in commercial coaching (yes)

−0.14

− 0.50, 0.21

Participation in PAP (yes)

0.19*

0.01, 0.38

B

Intercept

6.17***

6.11, 6.23

Participation in JMS (yes)

1.15***

0.89, 1.41

Participation in PAP (yes)

0.12

−0.04, 0.29

3

A

Intercept

−1.52***

−2.29, − 0.75

Participation in Summer School (yes)

−0.02

− 0.15, 0.11

Participation in Coaching Day (yes)

−0.00

−0.12, 0.12

Participation in commercial coaching (yes)

−0.09

−0.39, 0.22

Participation in PAP (yes)

0.12

−0.04, 0.28

Missing year 6 pu-GPA (yes)

−0.39**

−0.62, − 0.15

Year 6 pu-GPA (continuous)

1.06***

0.96, 1.17

B

Intercept

−2.09***

−2.68, −1.49

Participation in JMS (yes)

0.04

−0.19, 0.27

Participation in PAP (yes)

0.11

−0.02, 0.25

Missing year 6 pu-GPA (yes)

−0.30**

−0.50, − 0.11

Year 6 pu-GPA (continuous)

1.14***

1.06, 1.22