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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:
2 United Kingdom 57.9%
3 Italy51.4%
4 United States50.8%
5 Canada40.9%
7 Japan30.2%

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 = 1.692936 X +5.769
Correlation coefficient (r)0.527
Coefficient of determination (R2)0.278

GDP per capita (current US$)
No. of data5
Regression equation
Y = 66991.180207 X +20305.478
Correlation coefficient (r)0.387
Coefficient of determination (R2)0.150

Life expectancy at birth - Both sexes (years)
No. of data5
Regression equation
Y = -9.273358 X +85.828
Correlation coefficient (r)-0.398
Coefficient of determination (R2)0.158

Fertility rate, total (births per woman)
No. of data5
Regression equation
Y = 1.067242 X +0.921
Correlation coefficient (r)0.595
Coefficient of determination (R2)0.354

Suicide, age-standardized (per 100 000 population)
No. of data5
Regression equation
Y = -17.651522 X +17.822
Correlation coefficient (r)-0.468
Coefficient of determination (R2)0.219