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Question: On a normal school day, how much time do you spend before or after school doing each of these things? - I play or talk with friends.
Choices: "No time" "Less than 1 hour" "1-2 hours" "More than 2 but less 4 hours" "4 or more hours"
Data: % of "More than 2 but less 4 hours" "4 or more hours"
Period:
Area:
8 countries/ areas
Highlight:
1 Sweden61.2%
2 United Kingdom57.9%
3 Italy51.4%
4 United States50.8%
5 Canada40.9%
6 Australia34.5%
7 Japan30.2%
8 Republic of Korea 25.6%

Note
Don't know/ No answer are excluded.

No data for 2 countries.

Source
TIMSS 2007

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data8
Regression equation
Y = 3.029477 X +5.407
Correlation coefficient (r)0.687
Coefficient of determination (R2)0.472

GNI per capita, Atlas method (current US$)
No. of data8
Regression equation
Y = 28801.459948 X +33015.607
Correlation coefficient (r)0.331
Coefficient of determination (R2)0.110

Life expectancy at birth - Both sexes (years)
No. of data8
Regression equation
Y = -5.801951 X +84.894
Correlation coefficient (r)-0.448
Coefficient of determination (R2)0.201

Fertility rate, total (births per woman)
No. of data8
Regression equation
Y = 1.375270 X +0.920
Correlation coefficient (r)0.647
Coefficient of determination (R2)0.419

Suicide - all ages (per 100,000 population)
No. of data8
Regression equation
Y = -31.020313 X +27.868
Correlation coefficient (r)-0.608
Coefficient of determination (R2)0.370