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Table 1 General characteristics of subjects according to musculoskeletal symptoms

From: Relationship between Occupational Stress and Work-related Musculoskeletal Disorders in Korean Male Firefighters

General characteristics   Symptom (+) Symptom (-) p-value
n = 2,362 n = 19,104
   Mean SD Mean SD  
Age (years)   39.0 6.6 39.6 7.4 <0.01
Tenure (years)   11.1 6.7 11.7 7.5 <0.01
   n % N %  
Marriage Married 2,003 11.2 15,807 88.8 <0.01
  Single 359 9.8 3,228 90.2  
Education (years) <16 894 10.9 7,295 89.1 <0.01
  16 1,468 11.1 11,809 89.9  
Problem drinking Yes 881 10.1 7,875 89.9 0.02
  No 1,481 11.7 11,229 88.3  
Exercise Yes 2,103 10.9 17,137 89.1 <0.01
  No 259 11.6 1,967 88.4  
Smoking Yes 1,000 11.6 7,612 88.4 <0.01
  No 1,362 10.6 11,492 89.4  
Main job Firefighting 1,113 10.5 9,476 89.5 <0.01
  Rescue 597 16.9 2,932 83.1  
  Emergency medical service 254 12.9 1,718 87.1  
  Others 398 7.4 4,978 92.6  
Job class Firefighter 517 10.7 4,334 89.3 <0.01
  Senior fire sergeant 890 12.8 6,085 87.2  
  Fire sergeant 727 11.5 5,588 88.5  
  Fire lieutenant or higher 228 6.9 3,077 93.1  
Depression(CES-D) * < 21 1,608 16.0 16,051 84.0 <0.01
  21 754 31.9 3,053 68.1  
  1. *: Center for Epidemiologic Studies-Depression Scale (CES-D).