Table 2

Effect of the perceived risk at work and employment status on self-rated health among Korean employees*

No perceived risk at workPerceive risk at workOR for perceived risk versus no perceived risk within strata of employment
OR (95% CI): p valueOR (95% CI): p valueOR (95% CI): p value
Stable employment†Reference2.00 (1.80 to 2.22): p<0.0012.00 (1.80 to 2.20): p<0.001
Unstable employment‡1.18 (1.09 to 1.28): p<0.0013.22 (2.72 to 3.81): p<0.0012.72 (2.29 to 3.24): p<0.001
OR for unstable employment versus stable employment within strata of long perceived risk at work1.18 (1.09 to 1.28): p<0.0011.60 (1.33 to 1.93): p<0.001
Measure of interaction on additive scale: RERI1.03 (0.48 to 1.58): p<0.001
Measure of interaction on multiplicative scale: ORs1.36 (1.11 to 1.66): p=0.003
  • *Age, gender, income, education, occupations, smoking and alcohol consumption were adjusted in the model.

  • †Stable employment: regular employment in Korea.

  • ‡Unstable employment: temporary and daily employment in Korea.

  • RERI, relative excess risk due to interaction.