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Table 3 Relative risks (RR) of CMSC categorized by number of body regions at 11-year follow-up, according to insomnia status at baseline (316 with insomnia and 13,113 without). Outcome: Grouped no. of body regions vs. no CMSC

From: Insomnia and risk of chronic musculoskeletal complaints: longitudinal data from the HUNT study, Norway

No. of body regions No. of cases a Partly b adjusted RR (95% CI) Fully c adjusted RR (95% CI)
1–2
 No insomnia 2768 (21.1%) 1.00 1.00
 Insomnia 61 (19.3%) 1.05 (0.85–1.30) 0.99 (0.80–1.24)
3–4
 No insomnia 1403 (10.7%) 1.00 1.00
 Insomnia 48 (15.2%) 1.51 (1.17–1.95) 1.36 (1.05–1.77)
5 or more
 No insomnia 581 (4.4%) 1.00 1.00
 Insomnia 34 (10.8%) 2.46 (1.81–3.35) 1.93 (1.40–2.66)
  1. Abbreviations: CMSC chronic musculoskeletal complaints, CI confidence interval
  2. a 62 participants with CMSC did not report body region
  3. b Adjusted for gender and age
  4. c Adjusted for gender, age, education, smoking, physical activity, Hospital Anxiety and Depression Score, Body Mass Index