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Table 1 Socio-demographics and health characteristics for all patients

From: Patients with severe low back pain exhibit a low level of physical activity before lumbar fusion surgery: a cross-sectional study

 

Sample

n = 118

Women

n = 63

Men

n = 55

Age, mean (SD)

45.7 (8.3)

45.0 (8.6)

46.5 (8.1)

Body Mass Index, mean (SD)

26.3 (3.7)

25.5 (4.0)

27.3 (3.1)

Smokingb, frequency (%)

8 (6.8%)

4 (6.3%)

4 (7.4%)

Educationb, frequency (%)

 Elementary school

7 (6.0%)

2 (3.2%)

5 (9.1%)

 High school

51 (43.6%)

26 (41.3%)

25 (45.4%)

 University

42 (35.9%)

28 (44.4%)

14 (25.9%)

 Vocational education

17 (14.5%)

7 (11.1%)

10 (18.2%)

Sick leavea, frequency (%)

 No sick leave

75 (64.7%)

35 (56.5%)

40 (74.1%)

 Full-time

23 (19.8%)

14 (22.6%)

9 (16.7%)

 Part-time

16 (13.8%)

11 (17.7%)

5 (9.3%)

 Other disease

2 (1.7%)

2 (3.2%)

0 (0.0%)

Previous lumbar disc surgery for radiculopathy, frequency (%)

11 (9.3%)

7 (11.1%)

4 (7.3%)

  1. an = 116
  2. bn = 117; values correspond to mean (SD) or frequency (percent)