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Table 2 Basic characteristics of study population according to economic activity status

From: Factors related to the physician and the employer influencing successful return to work in Korea: results from the first panel study of workers’ compensation insurance (PSWCI)

  Return to work group Non- return to work group p-value
  N = 1412 (% = 70.6) N = 588 (% = 29.4)
Sex    <0.0001
 Men 1220 (86.4) 466 (79.3)  
 Women 192 (13.6) 122 (20.7)  
Age (years)    < 0.0001
 <40 317 (22.9) 95 (16.7)  
 40 ~ 49 408 (29.5) 115 (20.2)  
 50 ~ 59 467 (33.7) 193 (33.8)  
 ≥60 193 (13.9) 167 (29.3)  
Education    < 0.0001
 Middle school 456 (32.3) 279 (47.5)  
 High school 669 (47.4) 240 (40.8)  
 College or higher education 287 (20.3) 69 (11.7)  
Household income    < 0.0001
 1st quartile 1016 (72.0) 383 (65.1)  
 2nd quartile 262 (18.6) 136 (23.1)  
 3rd quartile 91 (6.4) 48 (8.2)  
 4th quartile 43 (3.0) 21 (3.6)  
Smoking    0.0017
 Current 722 (51.1) 253 (43.0)  
 Past 278 (19.7) 132 (22.5)  
 Never 412 (29.2) 203 (34.5)  
Alcohol consumption    < 0.0001
 Current 1076 (76.2) 365 (62.1)  
 Past 91 (36.4) 86 (14.6)  
 Never 245 (17.4) 137 (23.3)  
Registered as disabled    < 0.0001
 Yes 66 (4.7) 81 (13.8)  
 No 1346 (95.3) 507 (86.2)  
Mean of disability ratinga 5.04 ± 1.16 4.19 ± 1.70 0.0016
  1. ain terms of registered disabled people