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Table 6 When neck pain was present: Difference in the health outcomes when having versus not having additional pain sites

From: Simple neck pain questions used in surveys, evaluated in relation to health outcomes: a cohort study

Additional pain sites No additional pain sites Additional pain sites Additional pain sites – No additional pain sites
  Proportion (95% CI) Proportion (95% CI) Proportion diff 95% CI
Very good health 12 6 −6 −12.6; 0.3
  (7.7; 18.4) (3.7; 10.4)   
Decreased general performance 15 33 18 9.8; 26.1
  (11.2; 20.5) (27.0; 40.3)   
  Mean Mean Mean diff 95 % CI
  (95% CI) (95% CI)   
Sleep disturbance score 4.6 4.9 0.35 0.124; 0.571
  (4.41; 4.78) (4.75; 5.13)   
Stress score a 3.7 3.8 0.11 −0.024; 0.235
  (3.59; 3.79) (3.68; 3.91)   
Energy score a 3.9 3.9 −0.06 −0.140; 0.065
  (3.85; 4.01) (3.81; 3.98)   
  1. Additional pain sites could be lower back and/or arms, hands. Nsubj = 496–498, Nobs = 834–982. For details of regression analysis see Additional file 1: Appendix.
  2. a Adjusted for gender.