Table 4.
Crude and Adjusted ORs for the Associations between Combinations of Stress Models/Scales and Depression (n=5 338)
| Variables | n (%) | Crude OR (95% CI) | Adj OR (95% CI)* | Adj OR (95% CI)** | Adj OR (95% CI)** |
|---|---|---|---|---|---|
| Model 1 | Adj OC | Adj ERI | |||
| Psychological demands | |||||
| DC and low SS absent | 520 (19.8) | 1.00 | 1.00 | 1.00 | 1.00 |
| DC present | 260 (34.6) | 2.14 (1.79–2.56)b | 1.46 (1.21–1.77)b | 1.41 (1.16–1.70)b | 1.27 (1.05–1.55)a |
| Low SS present | 354 (37.3) | 2.41 (2.05–2.83)b | 1.84 (1.55–2.19)b | 1.88 (1.57–2.24)b | 1.71 (1.44–2.05)b |
| DC and low SS present | 566 (55.9) | 5.14 (4.39–6.01)b | 2.83 (2.37–3.38)b | 2.70 (2.26–3.23)b | 2.39 (1.99–2.87)b |
| Physical demands | |||||
| DC and low SS absent | 441 (17.8) | 1.00 | 1.00 | 1.00 | 1.00 |
| DC present | 339 (37.4) | 2.75 (2.32–3.26)b | 1.97 (1.64–2.36)b | 1.78 (1.48–2.14)b | 1.68 (1.39–2.02)b |
| Low SS present | 403 (38.2) | 2.85 (2.42–3.34)b | 2.16 (1.81–2.56)b | 2.16 (1.81–2.57)b | 2.00 (1.68–2.38)b |
| DC and low SS present | 517 (57.1) | 6.12 (5.18–7.23)b | 3.32 (2.76–4.01)b | 3.04 (2.51–3.67)b | 2.76 (2.26–3.36)b |
| Model 2 | Adj DC (Psychological demands) | Adj SS | |||
| ERI and low OC absent | 897 (25.7) | 1.00 | 1.00 | 1.00 | 1.00 |
| ERI present | 323 (43.1) | 2.85 (2.40–3.39)b | 1.66 (1.38–2.00)b | 1.48 (1.22–1.80)b | 1.47 (1.22–1.78)b |
| OC present | 242 (30.4) | 1.65 (1.38–1.97)b | 1.53 (1.27–1.84)b | 1.49 (1.24–1.80)b | 1.55 (1.29–1.87)b |
| ERI and OC present | 559 (53.2) | 4.27 (3.67–4.98)b | 2.43 (2.05–2.87)b | 2.15 (1.80–2.56)b | 2.24 (1.89–2.66)b |
| Adj DC (Physical demands) | |||||
| ERI and low OC absent | 897 (25.7) | 1.00 | 1.00 | 1.00 | 1.00 |
| ERI present | 323 (43.1) | 2.85 (2.40–3.39)b | 1.66 (1.38–2.00)b | 1.46 (1.20–1.76)b | 1.47 (1.22–1.78)b |
| OC present | 242 (30.4) | 1.65 (1.38–1.97)b | 1.53 (1.27–1.84)b | 1.44 (1.19–1.73)b | 1.55 (1.29–1.87)b |
| ERI and OC present | 559 (53.2) | 4.27 (3.67–4.98)b | 2.43 (2.05–2.87)b | 2.03 (1.70–2.42)b | 2.24 (1.89–2.66)b |
| Model 3 | Adj OC | Adj SS | |||
| Psychological demands | |||||
| DC and low ERI absent | 555 (19.8) | 1.00 | 1.00 | 1.00 | 1.00 |
| DC present | 263 (35.7) | 2.25 (1.89–2.69)b | 1.68 (1.39–2.02)b | 1.66 (1.38–2.01)b | 1.51 (1.25–1.83)b |
| ERI present | 319 (41.3) | 2.85 (2.40–3.38)b | 1.87 (1.56–2.25)b | 1.62 (1.34–1.95)b | 1.73 (1.44–2.09)b |
| DC and ERI present | 563 (54.8) | 4.90 (4.20–5.72)b | 2.44 (2.05–2.92)b | 2.10 (1.75–2.52)b | 2.08 (1.73–2.49)b |
| Physical demands | |||||
| DC and low ERI absent | 566 (20.1) | 1.00 | 1.00 | 1.00 | 1.00 |
| DC present | 252 (34.8) | 2.12 (1.77–2.53)b | 1.63 (1.35–1.96)b | 1.54 (1.27–1.86)b | 1.55 (1.28–1.88)b |
| ERI present | 278 (39.0) | 2.54 (2.13–3.03)b | 1.61 (1.33–1.95)b | 1.42 (1.17–1.73)b | 1.44 (1.18–1.74)b |
| DC and ERI present | 604 (55.6) | 4.97 (4.27–5.77)b | 2.58 (2.17–3.06)b | 2.19 (1.83–2.62)b | 2.32 (1.95–2.76)b |
Note.
*
Adjusted for gender age, educational level, job satisfaction, negative affectivity, subjective health status, medical histories in the past six months , and shiftwork.
**
Multiple logistic regression analyses were additionally adjusted by OC and ERI for Model 1, by DC and low SS for Model 2, by OC and low SS for Model 3 respectively.
a
P<0.05,
b
P<0.01.