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Table 1 Study variables; prevalence separately for pain/ no pain

From: Perceived stress and musculoskeletal pain are prevalent and significantly associated in adolescents: an epidemiological cross-sectional study

   Pain No pain Pearson
  N = 422 N = 216 N = 206 Chi-square
Girls 218 (51.7 %) 125 (57.9 %) 92 (44.6 %)  
Boys 204 (48.3 %) 91 (42.1 %) 113 (54.9 %) 7.11*
Pain 216 (51.2 %)    
 Long-term pain (3 months and more) 153 (36.3 %)    
Stress     
 Higher stress (PSQ ≥ 0.45) 93 (22.0 %) 74 (34.3 %) 19 (9.2 %) 38.47**
 Lower stress (PSQ < 0.45) 329 (78 %) 142 (65.7 %) 187 (90.8 %)  
 Total (mod.PSQ; 0–10), mean (SD) 3.3 (1.6) 3.9 (1.7) 2.7 (1.3)  
 Worries (0–10), mean (SD) 2.7 (1.9) 3.3 (2.1) 2.1 (1.5)  
 Tension (0–10), mean (SD) 3.5 (1.8) 4.2 (1.9) 2.8 (1.3)  
 Joy (0–10), mean (SD) 3.6 (1.9) 4.0 (2.0) 3.1 (1.7)  
 Demands (0–10), mean (SD) 4.2 (2.1) 4.9 (2.2) 3.5 (1.8)  
BMI 20.8 (3.1) 21.0 (3.1) 20.5 (3.2)  
  1. PSQ Perceived stress questionnaire
  2. *p ≤ .05; ** ≤ 001