Mod#1† | Mod#2‡ | |
---|---|---|
OR (95% CI) | OR (95% CI) | |
1. Job demand | ||
Constant low | 1.00 | 1.00 |
Decreased | 1.18 (0.91 to 1.51) | 1.29 (1.00 to 1.66) |
Constant middle | 0.97 (0.74 to 1.29) | 1.12 (0.84 to 1.49) |
Increased | 1.30 (0.98 to 1.72) | 1.42 (1.07 to 1.89) |
Constant high | 1.34 (1.05 to 1.71) | 1.63 (1.26 to 2.10) |
2. Job control | ||
Constant high | 1.00 | 1.00 |
Increased | 1.16 (0.89 to 1.51) | 1.13 (0.86 to 1.47) |
Constant middle | 1.14 (0.92 to 1.40) | 1.09 (0.88 to 1.35) |
Decreased | 1.27 (0.94 to 1.72) | 1.13 (0.83 to 1.54) |
Constant low | 1.50 (1.09 to 2.06) | 1.26 (0.91 to 1.75) |
3. Supportive leadership | ||
Constant high | 1.00 | 1.00 |
Increased | 1.08 (0.86 to 1.37) | 1.02 (0.81 to 1.29) |
Constant middle | 1.07 (0.88 to 1.31) | 1.01 (0.83 to 1.24) |
Decreased | 1.39 (1.05 to 1.85) | 1.26 (0.94 to 1.68) |
Constant low | 1.45 (0.89 to 2.36) | 1.30 (0.80 to 2.12) |
4. Role conflict | ||
Constant low | 1.00 | 1.00 |
Decreased | 0.80 (0.62 to 1.00) | 0.83 (0.64 to 1.01) |
Constant middle | 1.01 (0.82 to 1.33) | 1.14 (0.88 to 1.35) |
Increased | 1.67 (1.17 to 2.39) | 1.83 (1.27 to 2.62) |
Constant high | 1.99 (1.29 to 3.06) | 2.16 (1.39 to 3.36) |
5. Monotonous work | ||
Constant low | 1.00 | 1.00 |
Decreased | 1.31 (1.03 to 1.66) | 1.21 (0.95 to 1.54) |
Constant middle | 1.24 (0.98 to 1.57) | 1.16 (0.91 to 1.48) |
Increased | 1.40 (1.10 to 1.78) | 1.26 (0.98 to 1.61) |
Constant high | 1.50 (1.22 to 1.84) | 1.23 (0.99 to 1.54) |
6. Awkward lifting | ||
Not exposed | 1.00 | 1.00 |
Decreased | 1.29 (0.98 to 1.70) | 1.17 (0.88 to 1.56) |
Increased | 1.53 (1.15 to 2.04) | 1.34 (1.00 to 1.81) |
Exposed at T1 and T2§ | 2.18 (1.74 to 2.72) | 1.96 (1.53 to 0.251) |
7. Squatting/kneeling | ||
Not exposed | 1.00 | 1.06.8 |
Decreased | 1.29 (0.98 to 1.71) | 0.94 (0.68 to 1.30) |
Increased | 1.54 (1.15 to 2.05) | 1.14 (0.82 to 1.58) |
Exposed at T1 and T2§ | 2.17 (1.74 to 2.72) | 1.41 (1.03 to 1.93) |
8. Standing | ||
Not exposed | 1.00 | 1.00 |
Decreased | 1.55 (1.23 to 1.95) | 1.38 (1.08 to 1.77) |
Increased | 1.33 (0.94 to 1.87) | 1.17 (0.82 to 1.66) |
Exposed at T1 and T2§ | 1.65 (1.39 to 1.95) | 1.41 (1.14 to 1.73) |
9. Upper body forward bend | ||
Not exposed | 1.00 | 1.006 |
Decreased | 1.22 (0.86 to 1.73) | 0.91 (0.63 to 1.32) |
Increased | 1.61 (1.09 to 2.38) | 1.18 (0.77 to 1.80) |
Exposed at T1 and T2§ | 1.37 (0.90 to 2.09) | 0.86 (0.54 to 1.36) |
10. Heavy lifting | ||
Not exposed | 1.00 | 1.006 |
Decreased | 1.06 (0.81 to 1.39) | 0.80 (0.60 to 1.07) |
Increased | 1.37 (1.05 to 1.80) | 1.09 (0.83 to 1.45) |
Exposed at T1 and T2§ | 1.71 (1.38 to 2.10) | 1.16 (0.91 to 1.48) |
11. Lifting of persons | ||
Not exposed | 1.00 | 1.00 |
Decreased | 1.18 (0.80 to 1.74) | 1.16 (0.75 to 1.79)6.8.10 |
Increased | 1.48 (0.96 to 2.26) | 1.26 (0.79 to 2.01) |
Exposed at T1 and T2§ | 1.38 (1.002 to 1.86) | 1.01 (0.69 to 1.47) |
12. Whole body vibration | ||
Not exposed | 1.00 | 1.00 |
Decreased | 1.65 (1.05 to 2.60) | 1.40 (0.88 to 2.24) |
Increased | 2.42 (1.64 to 3.55) | 1.98 (1.33 to 2.96) |
Exposed at T1 and T2§ | 1.74 (1.00 to 3.03) | 1.46 (0.83 to 2.58) |
*p≤0.05; **p≤0.01; ***p≤0.001.
†Adjusted for LBP at T1, gender, age.
‡+Education, occupation, psychological distress and work-related mechanical and/or psychosocial exposures yielding a 10% change of OR (shown in superscript after the reference value in mod#2).
§Exposed at baseline and at follow-up.
LBP, low back pain.