|
Category
|
Combat unit
|
Maintenance unit
|
Administrative unit
|
Total
|
|---|
|
2/1
|
1.4 (1.2–1.6)
|
1.1 (0.8–1.4)
|
2.3 (1.4–3.3)
|
1.4 (1.2–1.6)
|
|
3/1
|
4.1 (3.8–4.7)
|
3.7 (2.7–4.6)
|
5.8 (3.4–8.2)
|
4.1 (3.4–4.7)
|
|
4/1
|
10.7 (9.3–12.2)
|
9.2 (7.2–11.3)
|
13.6 (9.8–17.5)
|
10.7 (9.3–12.2)
|
|
3/2
|
2.6 (2.0–3.3)
|
3.3 (2.4–4.2)
|
2.5 (1.4–3.6)
|
2.9 (2.4–3.5)
|
|
4/2
|
7.0 (5.4–8.5)
|
8.3 (6.4–10.1)
|
5.9 (4.2–7.6)
|
7.6 (6.5–8.6)
|
|
4/3
|
2.6 (2.0–3.3)
|
2.5 (1.9–3.1)
|
2.3 (2.0–3.1)
|
2.7 (2.3–3.1)
|
- 1- All subjects that have no evidence of past and/or present LBP
- 2 - Mild scoliosis or kyphosis; negative medical history for LBP
- 3- Positive medical history for LBP; no clinical findings; normal X-rays
- 4- Positive medical history for LBP; no clinical findings; X-ray with mild changes
-
aThe RR is calculated by dividing incidence rates. For example the rate between category 1 to category 0 (1/0) is calculated by dividing the incidence in category 1 (0.99 %) to the incidence in category 0 (0.041 %); the result is 24.8
