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Table 2 Description of Danish children aged 8 to 16 years during school year 1. Reported by pain group. Pain was defined as at least one pain week from a body region during a school year

From: Musculoskeletal pain distribution in 1,000 Danish schoolchildren aged 8–16 years

Pain site(s) Proportion
% (95%CI)
Age
Years (SD)
Sex
% female
Weeks with pain
% (95%CI)
Number of episodes (95%CI) Length of episodes
Weeks (95%CI)
No pain (n = 279) 28.5 (25.7; 31.3) 10.6 (1.5) 49.6 0 0 -
SP only (n = 60) 6.1 (4.6; 7.6) 11.0 (1.3) 60.0 15.4 (9.6; 21.3) 1.8 (1.4; 2.1) 3.9 (2.5; 5.3)
UEP only (n = 35) 3.6 (2.4; 4.8) 10.4 (1.4) 71.4 6.2 (3.2; 9.3) 1.2 (1.0; 1.4) 2.3 (1.5; 3.1)
LEP only (n = 290) 29.5 (26.7; 32.4) 10.6 (1.4) 45.9 18.4 (15.7; 21.0) 2.3 (2.1; 2.5) 3.5 (3.1; 4.0)
 SP+UEP (n = 16) 1.7 (0.9; 2.5) 10.6 (1.2) 58.2 19.4 (6.3; 32.4)   
  SP     15.4 (1.9; 28.9) 1.7 (1.2; 2.2) 4.0 (0.6; 7.3)
  UEP     6.7 (2.3; 11.1) 1.2 (0.8; 1.4) 2.5 (0.9; 4.1)
 SP+LEP (n = 129) 13.2 (11.1; 15.3) 10.8 (1.4) 51.5 26.9 (22.9; 31.0)   
  SP     11.7 (8.7; 14.7) 1.8 (1.6; 2.0) 2.9 (2.3; 3.4)
  LEP     18.3 (14.5; 22.0) 2.6 (2.3; 3.0) 3.1 (2.6; 3.5)
 UEP+LEP (n = 94) 9.6 (7.8; 11.4) 10.8 (1.3) 53.2 24.1 (19.9; 28.3)   
  UEP     6.2 (5.0; 7.5) 1.4 (1.2; 1.6) 2.0 (1.7; 2.3)
  LEP     18.8 (14.7; 22.9) 2.8 (2.4; 3.2) 2.9 (2.5; 3.4)
 SP+UEP+LEP (n = 75) 7.7 (6.0; 9.4) 11.0 (1.3) 68.4 40.2 (24.4; 46.1)   
  SP     14.7 (9.7; 19.7) 2.1 (1.8; 2.5) 3.2 (2.2; 3.8)
  UEP     7.2 (5.5; 8.9) 1.6 (1.4; 1.9) 1.9 (1.6; 2.2)
  LEP     22.4 (17.6; 27.1) 3.4 (2.4; 3.4) 2.9 (2.4; 3.4)
  1. SP spinal pain, LEP lower extremity pain, UEP Upper extremity pain, CI confidence interval, SD standard deviation