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An IEA-ETS Research Institute Journal

# Table 3 Second step results. Cross-country regression models

Inequality measure
Overall inequalities Family background inequalities
SD F-gap
(1) (2) (3) (4)
Constant 60.43*** 78.55*** 65.72*** 85.77***
Tracking regime 8.01*** − 20.17 20.40*** − 27.09
Inequality measure at t = 1 0.430*** 0.170 0.579*** 0.339*
Tracking∙Inequality measure at t = 1   0.410   0.569*
N countries 24 24 24 24
R2 0.468 0.530 0.573 0.649
1. Under the heading SD we report results relative to the effects of tracking on the country standard deviation
2. Under the heading F-gap we report results relative to the effects of tracking on the difference between tertiary educated parents with the largest number of books and no tertiary educated parents with the lowest number of books: F-gap = [ln(500) × $$c_{1}$$ + $$c_{2}$$] − ln(5) × $$c_{1}$$
3. Columns (1) and (3) refer to the model with no interaction; columns (2) and (4) to models with interaction between the tracking indicator and inequality at t = 1
4. *0.05 < p value < 0.10, **0.01 < p value < 0.05, ***p value < 0.01