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Table 2 Explained variance (adjusted R2) for three models.

From: Degrees of competency: the relationship between educational qualifications and adult skills across countries

  Adjusted R2 Increment to R2 from model 1 to
Model 1 Model 2 Model 3 Model 2 Model 3
Austria 0.19 0.30 0.33 0.11 0.03
Canada 0.23 0.36 0.41 0.13 0.05
Czech Republic 0.18 0.23 0.26 0.05 0.03
Denmark 0.24 0.38 0.42 0.13 0.04
England/N. Ireland (UK) 0.23 0.33 0.37 0.10 0.04
Estonia 0.15 0.24 0.26 0.09 0.02
Finland 0.28 0.40 0.43 0.12 0.03
Flanders (Belgium) 0.32 0.41 0.43 0.09 0.02
France 0.34 0.41 0.43 0.07 0.02
Germany 0.28 0.39 0.42 0.10 0.04
Ireland 0.28 0.35 0.37 0.07 0.02
Italy 0.24 0.29 0.31 0.05 0.02
Japan 0.22 0.32 0.33 0.10 0.01
Korea 0.31 0.37 0.39 0.06 0.02
Netherlands 0.34 0.48 0.50 0.13 0.02
Norway 0.23 0.40 0.43 0.17 0.03
Poland 0.22 0.26 0.28 0.04 0.02
Slovak Republic 0.22 0.26 0.27 0.04 0.01
Spain 0.31 0.39 0.41 0.09 0.02
Sweden 0.24 0.47 0.50 0.23 0.03
United States 0.31 0.42 0.44 0.10 0.03
OECD average 0.26 0.35 0.38 0.10 0.03
  1. Sample is restricted to adults aged 25–65 years in 2011 and to respondents who completed their highest educational qualification in the country they participated in for PIAAC. Model 1 includes literacy skills by detailed educational attainment. Model 2 adjust for age, gender, parental education, migration background and books in the home at age 16. Model 3 additionally adjusts for occupational group, reading at home, and participation in training activity