|
Combination of Independent variables
|
LBPyear
|
LBPlong
|
DD
|
VIP
|
|---|
|
Heavy smoking and hard physical work
| | | | |
|
neither (n = 274)
|
1
|
1
|
1
|
1
|
|
either (n = 117)
|
1.3 (0.8–2.1)
|
1.2 (0.7–2.0)
|
1.4 (0.9–2.2)
|
2.2 (1.3–3.8)*
|
|
both (n = 17)
|
1.6 (0.5–5.1)
|
1.8 (0.6–5.1)
|
1.5 (0.5–4.0)
|
4.6 (1.6–13.0)*
|
|
Overweight and hard physical work
| | | | |
|
neither (n = 193)
|
1
|
1
|
1
|
1
|
|
either (n = 171)
|
1.3 (0.8–2.0)
|
0.9 (0.6–1.5)
|
1.6 (1.1–2.4)*
|
1.3 (0.7–2.3)
|
|
both (n = 42)
|
1.5 (0.7–3.1)
|
1.2 (0.6–2.6)
|
1.7 (0.9–3.4)
|
2.9 (1.4–6.3)
|
|
Overweight and heavy smoking
| | | | |
|
neither (n = 201)
|
1
|
1
|
1
|
1
|
|
either (n = 171)
|
1.3 (0.9–2.1)
|
1.2 (0.8–2.0)
|
1.5 (1.0–2.2
|
1.4 (0.8–2.4)
|
|
both (n = 36)
|
1.2 (0.5–2.6)
|
1.5 (0.7–3.3)
|
1.6 (0.8–3.3)
|
1.6 (0.8–3.9)
|
- LBPyear = LBP some time in the past year.
- LBPlong = LBP for altogether at least 30 days in the past year.
- DD = disc degeneration as defined in the methods section.
- VIP = vertebral inflammatory process as defined in the methods section.
- * Estimates that are statistically significantly different from "1" have been written in bold.
