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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 France88.8%
2 Japan 85.1%
3 Republic of Korea84.2%
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 6 countries.

Source
ISSP 2009

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data4
Regression equation
Y = 9.716969 X -2.021
Correlation coefficient (r)0.632
Coefficient of determination (R2)0.399

GDP per capita (current US$)
No. of data4
Regression equation
Y = 193547.589230 X -126769.665
Correlation coefficient (r)0.968
Coefficient of determination (R2)0.937

Life expectancy at birth - Both sexes (years)
No. of data4
Regression equation
Y = -15.748278 X +96.582
Correlation coefficient (r)-0.323
Coefficient of determination (R2)0.104

Fertility rate, total (births per woman)
No. of data4
Regression equation
Y = 15.288040 X -11.751
Correlation coefficient (r)0.867
Coefficient of determination (R2)0.752

Suicide - all ages (per 100,000 population)
No. of data4
Regression equation
Y = -41.327489 X +51.414
Correlation coefficient (r)-0.104
Coefficient of determination (R2)0.011