Table 4 The explanatory power of potential mediating variables in explaining the relationship between social class and poor self-rated health among South Korean employed men aged 19–64. (reference group: managers)

Model 1: Baseline model

PR (95% CI)

1.85 (0.64–5.35)

2.89 (1.19–7.02)

3.97 (1.67–9.47)

3.02 (1.20–7.62)

2.34 (0.93–5.87)

3.06 (1.26–7.45)

2.23 (0.82–6.04)

2.80 (1.07–7.29)

3.78 (1.59–9.03)

Model 2: Baseline + material factors

PR (95% CI)

1.88 (0.65–5.43)

2.84 (1.17–6.91)

3.74 (1.57–8.93)

3.04 (1.20–7.66)

2.34 (0.93–5.87)

2.94 (1.21–7.17)

2.23 (0.83–6.05)

2.75 (1.05–7.16)

3.56 (1.49–8.51)

PR change (%)

−3.3

2.7

7.8

−0.9

0.3

5.8

−0.2

2.8

8.1

Model 3: Baseline + behavioral factors

PR (95% CI)

1.79 (0.62–5.17)

2.78 (1.15–6.76)

3.83 (1.61–9.11)

2.98 (1.18–7.49)

2.38 (0.95–5.95)

2.95 (1.21–7.17)

2.30 (0.85–6.21)

2.81 (1.08–7.30)

3.63 (1.52–8.66)

PR change (%)

7.3

5.7

4.9

2.0

−2.5

5.6

−5.4

−0.4

5.6

Model 4: Baseline + psychosocial factors

PR (95% CI)

1.55 (0.54–4.46)

2.71 (1.13–6.50)

4.08 (1.73–9.58)

2.99 (1.21–7.42)

2.25 (0.91–5.57)

3.01 (1.26–7.23)

2.39 (0.90–6.39)

2.87 (1.12–7.38)

3.88 (1.65–9.13)

PR change (%)

35.2

9.6

−3.5

1.3

6.7

2.4

−13.1

−4.2

−3.5

Model 5: Baseline + workplace environmental factors

PR (95% CI)

1.73 (0.60–5.01)

2.61 (1.07–6.35)

3.40 (1.42–8.15)

2.80 (1.11–7.05)

2.17 (0.86–5.43)

2.57 (1.05–6.26)

2.03 (0.75–5.49)

2.35 (0.90–6.15)

2.92 (1.21–7.01)

PR change (%)

13.8

15.0

19.2

11.1

13.1

24.1

16.8

24.8

31.1

Model 6: Baseline + all factors

PR (95% CI)

1.48 (0.52–4.24)

2.46 (1.03–5.87)

3.45 (1.47–8.10)

2.81 (1.14–6.94)

2.16 (0.88–5.33)

2.56 (1.06–6.14)

2.29 (0.86–6.11)

2.56 (1.00–6.56)

3.04 (1.29–7.20)

PR change (%)

43.3

23.0

17.7

10.5

13.3

24.5

−4.6

13.5

26.6