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Table 4 Mean values of total cholesterol, HDL cholesterol, LDL cholesterol, and triglycerides

From: Association between night work and dyslipidemia in South Korean men and women: a cross-sectional study

Variable Dyslipidemia
  Yesa   Noa  
Total N % Mean ± SD P-value N % Mean ± SD P-value
Male (n = 2821)
 Total cholesterol   ≥240 ≥ 240 ≥ 240 0.044 < 240 < 240 < 240 0.475
  Day 2404 170 7.1 254.852941 ± 14.6   2234 92.9 185.707623 ± 27.5  
  Night 196 16 8.2 247.125 ± 5.4   180 91.8 183.117978 ± 29.3  
  Other shifts 221 10 4.5 247.9 ± 12.4   211 95.5 185.149038 ± 26.8  
 HDL cholesterol   ≤40 ≤ 40 ≤ 40 0.532 > 40 0.455
  Day 2404 346 14.4 34.8849827 ± 3.5   2058 85.6 52.1910633 ± 9.8  
  Night 196 32 16.3 35.6163125 ± 3.5   164 83.7 51.7899506 ± 9.9  
  Other shifts 221 31 14.0 34.9723226 ± 3.4   190 86.0 51.3105455 ± 9.0  
 LDL cholesterol   ≥160 0.049 < 160 0.904
  Day 2404 71 3.0 175.915493 ± 14.4   2333 97.0 112.69986 ± 24.7  
  Night 196 7 3.6 168.428571 ± 8.6   189 96.4 114.042254 ± 27.0  
  Other shifts 221 5 2.3 162 ± 3.9   216 97.7 112.460317 ± 22.8  
 Triglycerides   ≥200 0.552 < 200 0.765
  Day 2404 285 11.9 296.74386 ± 142.1   2119 88.1 104.792435 ± 38.6  
  Night 196 30 15.3 310.733333 ± 167.1   166 84.7 106.871951 ± 37.8  
  Other shifts 221 21 9.5 267.47619 ± 72.4   200 90.5 105.822335 ± 39.6  
Female (n = 2992)
 Total cholesterol   ≥240 ≥ 240 0.288 < 240 < 240 0.481
  Day 2512 190 7.6 260.110526 ± 17.5   2322 92.4 185.358222 ± 26.7  
  Night 379 33 8.7 256.0 ± 12.6   346 91.3 183.956268 ± 28.3  
  Other shifts 101 10 9.9 254.7 ± 14.2   91 90.1 182.835165 ± 30.4  
 HDL cholesterol   ≤40 0.848 > 40 0.003
  Day 2512 140 5.6 35.6 ± 3.5   2372 94.4 57.6918124 ± 11.1  
  Night 379 21 5.5 35.6 ± 3.7   358 94.5 59.1713183 ± 11.8  
  Other shifts 101 6 5.9 36.5 ± 2.5   95 94.1 60.7348632 ± 11.2  
 LDL cholesterol   ≥160 0.746 < 160 0.551
  Day 2512 56 2.2 174.303571 ± 13.0   2456 97.8 110.192771 ± 25.0  
  Night 379 8 2.1 177.5 ± 14.8   371 97.9 110.836735 ± 24.1  
  Other shifts 101 4 4.0 172.0 ± 7.4   97 96.0 104.608696 ± 31.2  
 Triglycerides   ≥200 0.871 < 200 0.009
  Day 2512 82 3.3 269.743902 ± 88.5   2430 96.7 87.3859794 ± 36.0  
  Night 379 24 6.3 280.0 ± 84.5   355 93.7 85.0284091 ± 36.9  
  Other shifts 101 2 2.0 262.5 ± 70.0   99 98.0 76.5555556 ± 33.9  
  1. HDL high density lipoprotein, LDL low density lipoprotein
  2. aCut-offs according to the 2015 Korean Guidelines for the Management of Dylipidemia
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Lipids in Health and Disease

ISSN: 1476-511X