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Table 1 Characteristics of the blue-collar workers in DPhacto according to the pain groups. Continuous data are present as [mean (SD)], and frequencies are presented as [n (%)]

From: The association between multisite musculoskeletal pain and cardiac autonomic modulation during work, leisure and sleep – a cross-sectional study

Characteristics

All (n = 568)

Pain-free (n = 74)

Single-site pain (n = 136)

Multisite pain (n = 358)

P value

Female

247 (43.5%)

25 (33.8%)

57 (41.9%)

165 (46.1%)

0.13

Age, years

45.3 (9.8)

46.8 (10.3)

45.0 (9.3)

45.1 (9.8)

0.39

Body mass index, kg/m2

27.3 (4.7)

27.2 (4.8)

26.9 (4.8)

27.5 (4.7)

0.43

Smokers

161 (29.1%)

18 (24.3%)

40 (31.0%)

103 (29.4%)

0.58

Alcohol, units/week

4.5 (5.9)

5.6 (7.2)

3.9 (4.7)

4.6 (6.0)

0.15

Use of medication

234 (41.2%)

25 (33.8%)

42 (30.9%)

167 (46.6%)

< 0.01

 Antihypertensive

70 (12.3%)

9 (12.2%)

14 (10.3%)

47 (13.1%)

0.69

 Heart

19 (3.3%)

3 (4.1%)

4 (2.9%)

12 (3.4%)

0.91

 Antidepressants

18 (3.2%)

0 (0.0%)

2 (1.5%)

16 (4.5%)

0.06

 Analgesic

108 (19.0%)

7 (9.5%)

14 (10.3%)

87 (24.3%)

< 0.01

 Other

128 (22.5%)

14 (18.9%)

28 (20.6%)

86 (24.0%)

0.52

Occupational sector

0.44

 Cleaning

109 (19.2%)

11 (14.9%)

31 (22.8%)

67 (18.7%)

 

 Manufacturing

410 (72.2%)

57 (77.0%)

97 (71.3%)

256 (71.5%)

 

 Transportation

49 (8.6%)

6 (8.1%)

8 (5.9%)

35 (9.8%)

 

MVPA work time, h/day

1.3 (0.5)

1.3 (0.5)

1.3 (0.5)

1.3 (0.5)

0.95

MVPA leisure time, h/day

0.9 (0.3)

0.9 (0.4)

0.9 (0.4)

0.8 (0.3)

0.40

Sitting work time, h/day

2.5 (1.7)

2.5 (1.7)

2.5 (1.6)

2.5 (1.8)

0.95

Sitting leisure time, h/day

4.7 (1.3)

4.7 (1.5)

4.6 (1.3)

4.7 (1.3)

0.93

Seniority, months

13.4 (10.4)

12.9 (10.2)

13.1 (9.7)

13.6 (10.7)

0.80

Lifting and carrying

0.01

 Almost all the time

75 (13.3%)

8 (10.8%)

15 (11.1%)

52 (14.6%)

 

 3/4 of the time

53 (9.4%)

1 (1.4%)

9 (6.7%)

43 (12.0%)

 

 1/2 of the time

102 (18.0%)

13 (17.6%)

22 (16.3%)

67 (18.8%)

 

 1/4 of the time

151 (26.7%)

16 (21.6%)

42 (31.1%)

93 (26.1%)

 

 Rarely/very little

157 (27.7%)

32 (43.2%)

37 (27.4%)

88 (24.6%)

 

 Never

28 (4.9%)

4 (5.4%)

10 (7.4%)

14 (3.9%)

 

Highest pain intensity, 0–10

5.5 (2.9)

1.0 (1.2)

4.2 (2.1)

6.9 (2.1)

< 0.01

Number of pain sites

2.0 (1.2)

0.0 (0.0)

1.0 (0.0)

2.8 (0.8)

< 0.01

  1. DPhacto Danish Physical activity cohort with objective measurements, MVPA Moderate to vigorous physical activity