Table 2 Hazard Ratios and Confidence Intervals (95%) of incident depression according to the level of competitiveness, tension and dependency

 N

1170

3788

10,646

 Incidence of depression

72

217

613

 Person/years

12,075

38,901

107,161

 Crude rates

1 (ref)

0.90 (0.69–1.18)

0.92 (0.72–1.17)

 Model 1

1 (ref)

0.90 (0.69–1.17)

0.95 (0.75–1.21)

 Model 2

1 (ref)

0.89 (0.68–1.16)

0.96 (0.75–1.22)

 Model 3

1 (ref)

0.89 (0.68–1.17)

0.95 (0.75–1.22)

 Model 4

1 (ref)

0.84 (0.64–1.10)

0.78 (0.61–1.01)

 N

3852

4766

6986

 Incidence of depression

149

238

515

 Person/years

38,793

47,819

71,527

 Crude rates

1 (ref)

1.32 (1.08–1.63)

1.86 (1.55–2.23)

 Model 1

1 (ref)

1.29 (1.05–1.58)

1.81 (1.51–2.18)

 Model 2

1 (ref)

1.31 (1.07–1.61)

1.83 (1.53–2.20)

 Model 3

1 (ref)

1.30 (1.06–1.60)

1.80 (1.50–2.17)

 Model 4

1 (ref)

1.32 (1.07–1.62)

1.85 (1.52–2.24)

 N

10,407

1653

3544

 Incidence of depression

547

117

238

 Person/years

105,498

17,049

35,592

 Crude rates

1 (ref)

1.36 (1.11–1.67)

1.30 (1.12–1.52)

 Model 1

1 (ref)

1.31 (1.07–1.60)

1.30 (1.12–1.52)

 Model 2

1 (ref)

1.31 (1.06–1.61)

1.30 (1.12–1.52)

 Model 3

1 (ref)

1.30 (1.06–1.59)

1.30 (1.11–1.52)

 Model 4

1 (ref)

1.24 (1.01–1.54)

1.23 (1.06–1.44)