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Table 3 Occupational 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)
Occupational category    0.0241
 Non-manual 151 (10.7) 35 (36.0)  
 Manual 1161 (82.2) 513 (87.2)  
 Other 100 (37.1) 40 (36.8)  
Size of enterprise (number of workers)    0.0114
 <5 305 (21.6) 150 (25.5)  
 5 ~ 9 342 (24.2) 154 (26.2)  
 10 ~ 29 368 (26.1) 159 (27.0)  
 ≥30 397 (28.1) 125 (21.3)  
Working status    < 0.0001
 Regular 851 (60.3) 249 (42.4)  
 Temporary 166 (11.8) 102 (17.4)  
 Daily 389 (27.6) 236 (40.1)  
 Self-employed/employer 6 (0.4) 1 (0.1)  
Type of employment    0.0408
 Full-time 1365 (96.7) 551 (94.7)  
 Part-time 47 (3.3) 31 (5.3)  
Shift work    0.2778
 Yes 167 (11.8) 59 (10.0)  
 No 1245 (88.2) 529 (90.0)  
Employment contract    0.0003
 Yes 725 (51.4) 250 (42.5)  
 No 687 (48.7) 338 (57.5)  
Mean of working days per month 21.81 ± 5.09 21.79 ± 5.92 0.9463
Mean of working hours per day 9.40 ± 2.47 9.51 ± 2.50 0.3300