Table 3

Logistic regression analysis of the association between physical activity* and musculoskeletal disorders** by body parts^† (n = 2095)^‡.

Physical activity

Military/civilian^a

Age

Gender^b

BMI

Education

Physical stressors index

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

Neck

0.93 (0.89, 0.97)

1.58 (1.03, 2.42)

1.02 (1.00, 1.04)

3.26 (2.08, 5.11)

1.05 (1.01, 1.10)

High vs very low

2.33 (1.40, 3.88)

Very high vs very low

4.27 (2.42, 7.53)

Shoulders

0.94 (0.91, 0.98)

1.03 (1.01, 1.04)

2.41 (1.57, 3.70)

High vs very low

Very high vs very low

2.42 (1.45, 4.02)

Elbows

1.03 (1.00,1.06)

0.56 (0.36, 0.86)

High vs very low

Very high vs very low

Hands

0.93 (0.88, 0.99)

1.03 (1.01, 1.05)

2.99 (1.58, 5.65)

High vs very low

Very high vs very low

2.31 (1.01, 5.23)

Upper back

0.93 (0.88, 0.98)

3.07 (1.75, 5.40)

High vs very low

2.14 (1.11, 4.11)

Very high vs very low

2.90 (1.37, 6.13)

Lower back

0.95 (0.92, 0.98)

1.51 (1.04, 2.19)

1.02 (1.01, 1.04)

1.56 (1.01, 2.43)

High vs very low

2.36 (1.48, 3.75)

Very high vs very low

4.28 (2.56, 7.14)

Hips

0.90 (0.85, 0.95)

1.06 (1.03, 1.08)

2.57 (1.34, 4.93)

High vs very low

Very high vs very low

2.81 (1.28, 6.14)

Knees

1.80 (1.06, 3.05)

1.05 (1.00, 1.10)

High vs very low

Very high vs very low

2.46 (1.37, 4.42)

*Adjusted for employment category (military, civilian), age, gender, BMI (body mass index), smoking, education and physical stressors index. Smoking is not shown in the table as no significant associations were found.

** often or very often

^†Feet are excluded from the table as no significant associations were found.

^‡Non significant results are not shown.

^aMilitary = 1, civilian = 2. ^bMale = 1, female = 2

Morken et al. BMC Musculoskeletal Disorders 2007 8:56   doi:10.1186/1471-2474-8-56