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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:
7 countries/ areas
Highlight:
2 Germany62.0%
3 Japan37.9%
4 United States37.4%
5 United Kingdom37.3%England only
6 Italy33.1%

Note
Don't know/ No answer are excluded. United Kingdom: England only.

No data for 2 countries.

Source
TIMSS 2007

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data5
Regression equation
Y = 1.036863 X +6.085
Correlation coefficient (r)0.388
Coefficient of determination (R2)0.151

GDP per capita (current US$)
No. of data5
Regression equation
Y = 16003.526491 X +44470.135
Correlation coefficient (r)0.099
Coefficient of determination (R2)0.010

Life expectancy at birth - Both sexes (years)
No. of data5
Regression equation
Y = -4.246282 X +83.184
Correlation coefficient (r)-0.193
Coefficient of determination (R2)0.037

Fertility rate, total (births per woman)
No. of data5
Regression equation
Y = 0.232065 X +1.344
Correlation coefficient (r)0.143
Coefficient of determination (R2)0.020

Suicide, age-standardized (per 100 000 population)
No. of data5
Regression equation
Y = -0.211292 X +9.334
Correlation coefficient (r)-0.006
Coefficient of determination (R2)0.000