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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%
2 Republic of Korea44.5%
3 Australia36.3%
4 Canada29.7%
5 Italy23.3%
6 United States23.0%
7 United Kingdom17.5%
8 Sweden 15.2%

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 data8
Regression equation
Y = -2.622384 X +7.422
Correlation coefficient (r)-0.656
Coefficient of determination (R2)0.430

GDP per capita (current US$)
No. of data8
Regression equation
Y = -55119.314884 X +65966.299
Correlation coefficient (r)-0.400
Coefficient of determination (R2)0.160

Life expectancy at birth - Both sexes (years)
No. of data8
Regression equation
Y = 10.507824 X +79.013
Correlation coefficient (r)0.478
Coefficient of determination (R2)0.228

Fertility rate, total (births per woman)
No. of data8
Regression equation
Y = -1.560384 X +1.881
Correlation coefficient (r)-0.606
Coefficient of determination (R2)0.367

Suicide, age-standardized (per 100 000 population)
No. of data8
Regression equation
Y = 23.300517 X +4.790
Correlation coefficient (r)0.541
Coefficient of determination (R2)0.293