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Table 2 Distribution of reference scales of job stress according to demographic characteristics

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

Characteristics Reference scales of job stress 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)  
Age (years)
 Under 29 763(57.5) 226(17.0) 214(16.1) 124(9.3) 0.01
 30 ~ 39 1,088(55.4) 439(22.3) 273(13.9) 165(8.4)
 40 ~ 49 590(58.6) 195(19.4) 140(13.9) 82(8.1)
 Over 50 206(60.6) 58(17.0) 53(15.6) 23(6.8)
Gender
 Female 698(64.0) 75(6.9) 204(18.7) 113(10.4) <0.01
 Male 1,949(54.9) 843(23.8) 476(13.4) 281(7.9)
Education
 Middle school (= < 9) 98(46.4) 51(24.2) 37(17.5) 25(11.9) <0.01
 High school (= < 12) 983(51.9) 401(21.1) 327(17.2) 185(9.8)
 College (= < 16) 1,439(61.3) 430(18.3) 302(12.9) 177(7.5)
 Graduate (16 <) 127(69.0) 36(19.6) 14(7.6) 7(3.8)
Marital status
 Single 1,087(55.9) 360(18.5) 295(15.2) 203(10.4) <0.01
 Married 1,538(58.1) 549(20.7) 373(14.1) 188(7.1)
 Divorced/Separated 22(47.8) 9(19.6) 12(26.1) 3(6.5)
  1. *: p-value was calculated by chi-square test for reference scale of job stress according to demographic characteristics