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Table 1 general characteristics of study population and distribution of anxiety symptoms

From: Anxiety symptoms and occupational stress among young Korean female manufacturing workers

Variable Number (%) BAIa score n (%) p-value*
<22 ≥22
Age (years)     0.493
 10–19 208(18.2) 174(83.7) 34(16.3)  
 20–29 858(75.2) 727(84.7) 131(15.3)  
  ≥ 30 75(6.6) 67(89.3) 8(10.7)  
Body mass index (Kg/m2)     0.718
  < 25.0 986(86.4) 838(85.0) 148(15.0)  
  ≥ 25.0 155(13.6) 130(83.9) 25(16.1)  
Marital status     0.481
 Unmarried 1018(89.2) 861(84.6) 157(15.4)  
 Married 123(10.8) 107(87.0) 16(13.0)  
Educational level     0.655
  ≤ high school 882(77.3) 746(84.6) 136(15.4)  
  ≥ college 259(22.7) 222(85.7) 37(14.3)  
Smoking habit     0.014
 Non-smoker 769(67.4) 669(87.0) 100(13.0)  
 Ex-smoker 146(12.8) 117(80.1) 29(19.9)  
 Current smoker 226(19.8) 182(80.5) 44(19.5)  
Risky drinkingb     0.006
 No 935(81.9) 806(86.2) 129(13.8)  
 Yes 206(18.1) 162(78.6) 44(21.2)  
Regular exercise     0.674
  < 3 times per week 904(79.2) 769(79.4) 135(78.0)  
  ≥ 3 times per week 237(20.8) 199(20.6) 38(22.0)  
Shift work     0.145
 No 75(6.5) 68(90.7) 7(9.3)  
 Yes 1066(93.5) 900(84.4) 166(15.6)  
Job tenure (years)     0.306
  < 1 274(24.0) 232(84.7) 42(15.3)  
 1–3 286(25.1) 237(82.9) 49(17.1)  
 4–6 273(23.9) 228(83.5) 45(16.5)  
  ≥ 7 308(27.0) 271(88.0) 37(12.0)  
PSQIc score     <0.001
  < 6 450(39.4) 421(93.6) 29(6.4)  
  ≥ 6 691(60.6) 547(79.2) 144(20.8)  
  1. *Comparison by chi-squared test
  2. aBeck’s Anxiety Inventory
  3. bRisky drinking: more than 2times per week and more than 5 glasses each time
  4. cPittsburgh Sleep Quality Index