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. 2011 Jun 3;12:126. doi: 10.1186/1471-2474-12-126

Table 1.

Demographic characteristics of 21 interview participants

Variable mean (sd) n %
Age 49 (6.9)
 20-30 years 0
 31-40 years 4 19
 41-50 years 4 19
 51-60 years 13 62
Gender
 Male 9 43
 Female 12 57
Education
 Primary 8 38
 Secondary 6 29
 Higher 7 33
Profession
 Teacher 4 19
 Healthcare 6 29
 Sales 2 10
 Engineering 3 14
 Gardening 3 14
 Administration 2 10
 Journalist 1 4
Working hours 31 (8.4)
 20 hours 4 19
 21-30 hours 5 24
 31-40 hours 12 57
Pain location
 (low) Back 9 43
 Neck/shoulders 7 33
 Fibromyalgia 5 24
Pain intensity NRS a now 4.5 (1.9)
 1-4 8 38
 5-7 9 43
 8-10 4 19
Pain intensity NRS average b 5.3 (1.7)
 1-4 2 10
 5-7 12 57
 8-10 7 33
Pain duration
 1-2 years 3 14
 3-5 years 0 0
 >5 years 18 86
Pain Disability Index (PDI) 20.3 (8.2)
 0-10 2 10
 11-20 7 33
 21-30 10 47
 >30 2 10
Occupational parameter PDI 3.7 (1.5)
Work
 Paid employment 19 90
 Self-employed 2 10
Work absence previous year c
 0 days 17 81
 1-10 days 4 19

a Numeric Rating Scale

b Average pain rating during the last 7 days

c Work absence due to chronic musculoskeletal pain