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.

Jørgensen et al.

Jørgensen et al. BMC Musculoskeletal Disorders 2013 14:86   doi:10.1186/1471-2474-14-86

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