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Table 1 Sample characteristics at follow-up for employees that responded at both time points

From: Effects of psychosocial work factors on number of pain sites: The role of sleep quality as mediator

 

Employees who responded to sleep and pain items at baseline and follow-up (N = 6277)

Age (y)

< 30

458

7.3%

 

30–39

1586

25.3%

 

40–49

2113

33.7%

 

50–59

1702

27.1%

 

< 59

418

6.7%

Gender

Male

2817

44.9%

 

Female

3460

55.1%

Difficulties initiating sleep*

0 times

2223

35.7%

 

1–3 times per month

2292

36.8%

 

1–2 times per week

1044

16.8%

 

3–5 times per week

485

7.8%

 

6–7 times per week

182

2.9%

Disturbed sleep*

0 times

1552

24.9%

 

1–3 times per month

2237

35.9%

 

1–2 times per week

1279

20.5%

 

3–5 times per week

826

13.3%

 

6–7 times per week

337

5.4%

Neck pain*

Not troubled

5084

81.0%

 

Troubled

1193

19.0%

Shoulder/Upper arm pain*

Not troubled

5197

82.8%

 

Troubled

1080

17.2%

Underarm/Hand pain*

Not troubled

5781

92.1%

 

Troubled

496

7.9%

Back pain*

Not troubled

5316

84.7%

 

Troubled

961

15.3%

Leg pain*

Not troubled

5648

90.0%

 

Troubled

629

10.0%

Number of pain sites*

0

3824

60.9%

 

1

1266

20.2%

 

2

679

10.8%

 

3

339

5.4%

 

4

127

2.0%

 

5

42

0.7%

  1. *Follow-up scores