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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 "No time" "Less than 1 hour"
Period:
Area:
8 countries/ areas
Highlight:
1 Japan45.5%
4 Canada29.7%
5 Italy23.3%
6 United States23.0%
7 United Kingdom 17.5%

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 = -2.119049 X +7.141
Correlation coefficient (r)-0.658
Coefficient of determination (R2)0.433

GDP per capita (current US$)
No. of data5
Regression equation
Y = -79332.782877 X +73336.714
Correlation coefficient (r)-0.457
Coefficient of determination (R2)0.209

Life expectancy at birth - Both sexes (years)
No. of data5
Regression equation
Y = 10.952646 X +78.495
Correlation coefficient (r)0.469
Coefficient of determination (R2)0.220

Fertility rate, total (births per woman)
No. of data5
Regression equation
Y = -1.059020 X +1.708
Correlation coefficient (r)-0.589
Coefficient of determination (R2)0.347

Suicide, age-standardized (per 100 000 population)
No. of data5
Regression equation
Y = 16.362915 X +5.111
Correlation coefficient (r)0.432
Coefficient of determination (R2)0.187