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Table 3 Number of subjects who experienced injury by socioeconomic status

From: The Relationship between Injury and Socioeconomic Status in Reference to the Fourth Korean National Health and Nutrition Examination Survey

Variables Categories Number (%) p value*
   Yes No  
Sex Male 422 (8.4) 4,625 (91.6) <.0001
  Female 375 (5.5) 6,415 (94.5)  
Age (year) 20-29 156 (7.4) 1,941 (92.6) 0.100
  30-39 215 (6.2) 3,255 (93.8)  
  40-49 213 (6.3) 3,173 (93.7)  
  50-59 213 (7.4) 2,671 (92.6)  
Marital status Married 580 (6.4) 8,438 (93.6) 0.008
  Bereaved 19 (7.8) 225 (92.2)  
  Divorces 42 (10.5) 358 (89.5)  
  Never married 156 (7.3) 1,978 (92.7)  
Household income per year <5 24 (10.7) 201 (89.3) 0.020
(1 million KRW) 5 - < 10 52 (8.9) 534 (91.1)  
  10 - < 20 126 (7.0) 1,669 (93.0)  
  20 - < 50 385 (6.7) 5,326 (93.3)  
  ≥50 167 (6.2) 2,545 (93.8)  
National basic livelihood security Current recipient 26 (8.1) 297 (92.0) 0.619
  Former recipient 20 (7.0) 264 (93.0)  
  Non-recipient 750 (6.7) 10,453 (93.3)  
Health insurance National health insurance 771 (6.7) 10,701 (93.3) 0.444
  Medical aid 22 (7.9) 257 (92.1)  
Home ownership No 279 (7.2) 3,620 (92.8) 0.206
  Yes 517 (6.5) 7,394 (93.5)  
Home value (1 million KRW) <50 67 (7.2) 858 (92.8) 0.047
  50 - < 100 116 (7.8) 1,378 (92.2)  
  100 - < 200 139 (6.6) 1,981 (93.4)  
  200 - < 500 131 (6.3) 1,953 (93.7)  
  ≥500 42 (4.7) 856 (95.3)  
Education ≤Elementary 114 (8.2) 1,268 (91.8) 0.004
  Middle 96 (7.5) 1,186 (92.5)  
  High 355 (6.9) 4,769 (93.1)  
  ≥University 230 (5.7) 3,811 (94.3)  
Occupation Manager, professional, and administrators 108 (6.0) 1,692 (94.0) <.0001
  Clerks 79 (6.7) 1,100 (93.3)  
  Service and sales workers 114 (6.1) 1,772 (93.9)  
  Skilled agricultural, forestry, and fishery workers 47 (7.7) 563 (92.3)  
  Craft, equipment, machine operating, and assembling workers 150 (10.6) 1,263 (89.4)  
  Elementary workers 71 (7.5) 879 (92.5)  
  Unemployed† 194 (5.7) 2,969 (94.3)  
Employment type Salaried workers 376 (7.4) 4,688 (92.6) 0.232
  Self-employed 175 (7.3) 2,209 (92.7)  
  Family business without pay 24 (5.3) 432 (94.7)  
Status of salaried workers Fully employed 275 (7.6) 3,361 (92.4) 0.423
  Temporary 54 (6.4) 791 (93.6)  
  Day workers 44 (8.0) 503 (92.0)  
Working hours Full-time 317 (7.5) 3,899 (92.5) 0.414
  Part-time 53 (6.7) 739 (93.3)  
  1. *p value by chi-squared test.
  2. †including homemakers and students.