Table 2

Correlation coefficients among all variables

12345678
1PIL −0.092*** 0.034* 0.147*** 0.006 0.138*** 0.013 −0.342***
2Tobacco consumption −0.067*** −0.203*** −0.144*** −0.172*** 0.065*** 0.038*
3Age 0.048** 0.030 0.143*** 0.020 0.055***
4Education 0.076*** 0.323*** −0.019−0.023
5Marital status 0.257*** −0.003 −0.054***
6Family annual income0.021 −0.048**
7Alcohol use−0.006
8Psychological distress (K6)
  • Spearman’s rank correlation coefficients except a correlation between continuous variables (PIL and K6).

  • Bold: Correlation coefficient is statistically significant.

  • *P<0.05; **P < 0.01; ***P < 0.001.

  • †Pearson correlation coefficient.

  • PIL, purpose in life.