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Table 1 General characteristic of participants at baseline (N = 1270)

From: Does the intensity of pain and disability affect health-related quality of life of older adults with back pain? Multilevel analysis between Brazil and Netherlands: a cross-sectional study of the BACE consortium

Variable

Total Sample

(n = 1270)

Brazil

(n = 602)

Netherlands

(n = 668)

Age (years)

67.00 (± 7.33)

67.67 (± 7.00)

66.40 (± 7.57)

Sex

   

Male

362 (28.5%)

91 (15.1%)

271 (40.6%)

Female

908 (71.5%)

511 (84.9%)

397 (59.4%)

Schooling

   

1

44 (3.4%)

41 (6.8%)

3 (0.4%)

2

307 (24.1%)

219 (36.3%)

88 (13.1%)

3

303 (23.8%)

116 (19.2%)

187 (28.0%)

4

295 (23.2%)

110 (18.2%)

185 (27.7%)

5

48 (3.7%)

23 (3.8%)

25 (3.7%)

6

116 (9.1%)

51 (8.4%)

65 (9.7%)

7

133 (10.4%)

41 (7.3%)

92 (13.7%)

8

22 (2.3%)

0

22 (3.7%)

NRS

6.12 (± 2.82)

7.17 (± 2.59)

5.16 (± 2.68)

RMDQ

SF-36

8.17 (± 7,24)

9.99 (± 7.81)

6.52 (± 6.24)

Physical role functioning

20.35 (± 5.25)

1863 (± 4,78)

2191 (± 5.17)

Physical functiong

5.35 (± 1.62)

5.13 (± 1.46)

555 (± 1.73)

Bodily pain

6.22 (± 2.07)

6.00 (± 2.12)

6.42 (± 200)

General health perceptions

16.95 (± 4.18)

16.88 (± 4.32)

17.01 (± 4.06)

Vitality

14.95 (± 4.57)

1390 (± 4.86)

15.89 (± 4.07)

Social role functioning

7.36 (± 2.16)

6.84 (± 2,0.28)

7.83 (± 1.94)

Emotional role functioning

4.83 (± 1.37)

4.42 (± 1.37)

5.20 (± 1.27)

Mental health

21.77 (± 5.70)

19.84 (± 6.18)

23.51 (± 4.57)

  1. N, number of participants; NRS, numeric rating scale; RMDQ, Roland Morris disability questionnaire; SF-36, 36-item Short Form Health Survey. Schooling 1 = 1 year; 2 = 2 years; 3 = 3 years; 4 = 4 years; 5 = 5 years; 6 = 6 years; 7 = 7 years; 8 = 8 or more years of schooling