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Question: How would you describe yourself as a person? - I work hard to maintain my performance on a task, even if the task takes a long time to start producing any results.
Choices: "Strongly agree" "Agree" "Disagree" "Strongly disagree"
Data: % of "Strongly agree" "Agree"
Period:
Area:
4 countries/ areas
Highlight:
1 France 88.8%
2 Japan85.1%
4 Italy83.7%

Note
Can't choose/ No answer are excluded. Belgium: unweighted sum of Flanders and Wallony. Germany: unweighted sum of West and East Germany. United Kingdom: excluding Northern Ireland.

No data for 4 countries.

Source
ISSP 2009

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data3
Regression equation
Y = 7.477676 X -0.090
Correlation coefficient (r)0.718
Coefficient of determination (R2)0.516

GDP per capita (current US$)
No. of data3
Regression equation
Y = 187076.332213 X -121258.544
Correlation coefficient (r)0.800
Coefficient of determination (R2)0.640

Life expectancy at birth - Both sexes (years)
No. of data3
Regression equation
Y = -20.859337 X +100.945
Correlation coefficient (r)-0.606
Coefficient of determination (R2)0.367

Fertility rate, total (births per woman)
No. of data3
Regression equation
Y = 11.507441 X -8.451
Correlation coefficient (r)0.972
Coefficient of determination (R2)0.945

Suicide, age-standardized (per 100 000 population)
No. of data3
Regression equation
Y = 68.706193 X -50.256
Correlation coefficient (r)0.449
Coefficient of determination (R2)0.202