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Table 7 Differences between original and selected samples

From: The evolution of the gender test score gap through seventh grade: new insights from Australia using unconditional quantile regression and decomposition

 

Grade 3

(wave 2)

Grade 5

(wave 3)

Grade 7

(wave 4)

All

(1)

(2)

(3)

(4)

Male

0.02

− 0.02*

− 0.06***

− 0.02**

Child age

− 0.04***

0.00

0.02***

− 0.01***

Native

0.05

0.09***

0.02

0.06***

Aboriginal

− 0.14***

− 0.11***

− 0.07

− 0.11***

Low birth weight

−0.01

− 0.06**

− 0.09***

− 0.05***

Breastfeed

0.04**

0.02

0.04**

0.03***

Mother age

0.00*

−0.00

− 0.00*

− 0.00

Mother NESBa

− 0.08***

− 0.07***

− 0.07***

− 0.08***

Mother ESBa

−0.04**

− 0.01

− 0.00

−0.02

Mother has a certificateb

0.00

−0.01

−0.03*

− 0.01

Mother has an advanced diplomab

0.07**

0.03

−0.02

0.03*

Mother has bachelor degreeb

0.05**

−0.01

− 0.03

0.00

Mother has graduate diplomab

−0.01

− 0.00

− 0.01

−0.00

Mother has postgraduate degreeb

0.03

−0.01

−0.01

0.01

Mother’s weekly working hours

−0.00

0.00

0.00

0.00

Household size

−0.00

− 0.01

− 0.03*

− 0.02**

Number of siblings

− 0.01

0.00

0.01

0.00

Number of younger siblings

0.02**

0.01

0.02*

0.02***

Number of same age siblings

−0.01

0.02

0.06

0.03

Living with both parents

0.08***

0.09***

0.06***

0.08***

Living in an owned home

0.05***

0.06***

0.05**

0.05***

Wave 3c

   

0.34***

Wave 4c

   

0.40***

Observations

4372

4228

4038

12,638

Number in selected sample

2471

3225

2801

8497

Pseudo R2

0.08

0.03

0.03

0.04

P t test

0.16

0.07

0.00

0.02

  1. Notes: Results (marginal effects) are from a probit model. Marginal effects are calculated at the means of continuous variables. The dependent variable is equal to one if the child is in our sample and zero otherwise
  2. P t test P value of a t test for whether male estimate is equal to zero
  3. Significance at the *10% level, **5% level, and ***1% level
  4. aNative as the base group
  5. bNo qualification as the base group
  6. cWave 2 as the base group