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Table 2 Descriptive characteristics of the study population in Dphacto, N = 842

From: Low back pain patterns over one year among 842 workers in the DPhacto study and predictors for chronicity based on repetitive measurements

Descriptive characteristics

n

Mean (SD) or %

Age (Years), mean (SD)

842

45 (9.3)

Gender (% male)

842

51

Country of birth (% Denmark)

825

94

Sector (%)

842

 

 Manufacturing

602

72

 Cleaning

164

19

 Transport

76

9

Position (%blue-collar)

842

82

Seniority (Years), mean (SD)

816

13.3 (10.2)

Work ability (1–10)a, mean (SD)

837

8.4 (1.5)

Physical strain at work (0–10)a, mean (SD)

813

5.3 (2.4)

BMI (kg/m2), mean (SD)

821

27 (4.8)

Back endurance (Sec.)b, mean (SD)

544

106 (56.8)

LBP intensity baseline (0–10), mean (SD)

837

3.3 (3)

  1. SD standard deviation, BMI Body Mass Index, LBP low back pain
  2. aHigh workability and low physical strain at work is preferable
  3. bLonger back endurance the better