Table 2.
Characteristics of men with low and high physical fitness (cut-off at median=32) among men without history of low back pain/injury
|
Level of physical fitness |
||
---|---|---|---|
|
Up to median |
Above median |
pa |
|
VO2MAX range: 15-32 |
VO2MAX range: 33-78 |
|
n=2055 | n=1778 | ||
Physical fitness |
|
|
|
VO2MAX (mlO2/kg/min) |
27.5 (3.5) |
38.8 (5.4) |
- |
Strenuous work, % |
|
|
|
Seldom/never |
62.4 |
61.3 |
|
Occasionally |
31.0 |
32.2 |
0.72 |
Often |
6.6 |
6.5 |
|
Height, % |
|
|
|
- 171 cm |
33.5 |
33.6 |
|
172-177 cm |
35.8 |
35.0 |
0.83 |
178 + cm |
30.7 |
31.4 |
|
Height, mean (SD) |
174.3 (6.5) |
174.3 (6.5) |
0.87 |
Weight, % |
|
|
|
- 72 kg |
30.3 |
49.5 |
|
73-80 kg |
30.7 |
30.7 |
<0.001 |
81 + kg |
39.0 |
19.9 |
|
Weight, mean (SD) |
79.2 (10.4) |
74.1 (9.1) |
<0.001 |
Age, years | 49.8 (5.4) | 47.4 (5.1) | <0.001 |
Included in the table are only factors significantly associated with HLDD risk in Table 1. Values presented are mean (SD) or frequency in per cent. Significant associations (p < 0.05) are highlighted (bold). a: p-values of unpaired t test or Chi-square test (likelihood ratio) where appropriate.