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Table 3 Characteristics of the study sample

From: A digital decision support system (selfBACK) for improved self-management of low back pain: a pilot study with 6-week follow-up

Variable
Age (years), mean (SD) 45.5 (15.0)
Body mass index (kg/m2), mean (SD) 27.2 (5.5)
Female, no (%) 29 (58%)
Family status
 Living alone, no (%) 14 (28%)
 Living with partner, no (%) 17 (33%)
 Living with partner/parents and children, no (%) 17 (33%)
 Living with children, no (%) 3 (6%)
Education
 10 years, no (%) 1 (2%)
 12 years, no (%) 14 (27%)
 13 years or more, no (%) 36 (71%)
Employment
 Full-time, no (%) 30 (59%)
 Part-time, no (%) 7 (14%)
 Full-time housework, no (%) 1 (2%)
 Compulsory military service, no (%) 3 (6%)
 Retired, no (%) 4 (8%)
 Other, no (%) 6 (12%)
Work characteristics* (n = 38)
 Sitting, no (%) 19 (50%)
 Walking, no (%) 8 (21%)
 Walking and lifting, no (%) 10 (26%)
 Heavy physical labor, no (%) 1 (3%)
LBP, duration of current episode  
 1 week, no (%) 9 (18%)
 4 weeks, no (%) 2 (4%)
 12 weeks, no (%) 10 (20%)
 More than 12 weeks, no (%) 30 (58%)
LBP, frequency within past year
 7 days, no (%) 2 (4%)
 30 days, no (%) 9 (18%)
 Above 30 days, no (%) 22 (43%)
 Every day, no (%) 18 (35%)
Use of pain medication
 Never or seldom, no (%) 28 (55%)
 Less than once weekly, no (%) 12 (25%)
 Weekly, no (%) 5 (10%)
 Daily, no (%) 6 (12%)
  1. *The question about work ability was only asked to participants who reported to be in full-time or part-time work
  2. SD standard deviation, LBP low back pain