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Table 3 Distribution of reference scales of job stress by occupational characteristics

From: A study on the relationship between job stress and nicotine dependence in Korean workers

Characteristics Reference score group p-value*
Less than 25 % 25 % ~ 50 % 50 % ~ 75 % More than 75 %
Total (n = 4,639) 2,647(57.0) 918(19.8) 680(14.7) 394(8.5)  
Employment type
 Regular 2,395(57.4) 823(19.7) 598(14.4) 356(8.5) 0.28
 Contract 179(53.4) 71(21.2) 62(18.5) 23(6.9)
 Part-time/temporary 73(55.3) 24(18.2) 20(15.1) 15(11.4)
Working hour (/week)
 Under 40 114(67.8) 24(14.3) 21(12.5) 9(5.4) <0.01
 40 ~ 43 1,252(61.9) 361(17.9) 265(13.1) 144(7.1)
 44 ~ 47 416(62.6) 121(18.2) 86(13.0) 41(6.2)
 48 ~ 55 508(50.6) 236(23.5) 166(16.5) 94(9.4)
 Over 56 357(45.7) 176(22.5) 142(18.2) 106(13.6)
Job typea
 White-collar 1,630(65.7) 413(16.6) 286(11.5) 154(6.2) <0.01
 Blue-collar 1,017(47.2) 505(23.4) 394(18.3) 240(11.1)
Industry type
 Manufacturing 1,781(54.1) 718(21.8) 489(14.8) 307(9.3) 0.1
 Non-manufacturing 866(64.4) 200(14.9) 191(14.2) 87(6.5)
Position
 Rank-and-file worker 1,576(53.2) 564(19.1) 505(17.1) 314(10.6) <0.01
 Assistant manager/ deputy manager 564(59.0) 207(21.6) 124(13.0) 61(6.4)
 Manager or higher 507(70.0) 147(20.3) 51(7.1) 19(2.6)
Industry size (person/site)
 Under 50 267(57.1) 91(19.4) 78(16.7) 32(6.8) <0.01
 50 ~ 99 948(57.0) 354(21.3) 225(13.5) 136(8.2)
 100 ~ 299 600(52.7) 248(21.8) 187(16.4) 104(9.1)
 Over 300 832(60.8) 225(16.4) 190(13.9) 122(8.9)
Existence of break
 No 702(53.0) 248(18.7) 233(17.6) 141(10.7) <0.01
 Yes 1,945(58.7) 670(20.2) 447(13.5) 253(7.6)
  1. *: p-value was calculated by chi-square test for reference scale of job stress according to occupational characteristics
  2. a: job type: Blue-collar was all job related manufacture and white-collar was all other jobs