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Table 5 Age-adjusted prevalence of the components of the metabolic syndrome by category of the Korean Standard Classification of Occupations

From: Prevalence of the Metabolic Syndrome among Korean Workers by Occupational Group: Fifth Korean National Health and Nutrition Examination Survey (KNHANES) 2010

  Non-manual workers Service/sales workers Manual workers  
Components Managers Professional and related workers Clerks Service workers Sales workers Skilled agricultural, forestry and fishery workers Craft and related trades workers Equipment, machine operation and assembling workers Elementary workers Total p-value
Male workers            
  WC ≥ 90 cm (M)/80 cm (W)   24.5 (2.5)   28.6 (3.5)   24.0 (1.9)   25.1 (1.3) 0.946
35.4 (8.7) 21.1 (2.8) 25.7 (3.7) 25.7 (4.7) 28.2 (3.9) 22.8 (3.5) 31.1 (4.3) 31.0 (3.2) 18.2 (4.2) 0.705
  BP ≥ 130/85 mmHg or treated   40.1 (2.5)   33.3 (3.3)   32.7 (1.7)   36.3 (1.4) 0.036
46.0 (6.9) 33.2 (3.5) 51.6 (2.6) 29.8 (4.4) 35.5 (3.8) 26.6 (3.3) 29.0 (3.5) 32.7 (2.6) 36.2 (4.1) <0.001
  TG ≥ 150 mg/dl   39.4 (2.6)   35.5 (2.7)   35.3 (2.2)   37.4 (1.4) 0.225
41.8 (8.0) 43.9 (3.3) 33.7 (3.8) 35.2 (5.0) 37.7 (3.3) 25.9 (4.6) 34.7 (4.0) 44.9 (2.9) 29.9 (4.9) 0.119
  HDL-C < 40 mg/dl   20.5 (2.2)   13.3 (2.5)   18.3 (1.8)   19.2 (1.2) 0.024
14.9 (4.1) 22.0 (3.2) 16.9 (2.5) 12.6 (3.8) 13.5 (3.0) 9.0 (1.5) 17.1 (3.0) 19.5 (2.9) 18.8 (4.6) 0.119
  FPG ≥ 100 mg/dl or treated   31.8 (2.5)   29.3 (3.4)   26.2 (1.7)   28.6 (1.3) 0.191
31.2 (7.6) 31.8 (3.2) 34.5 (4.1) 26.2 (5.1) 29.2 (3.8) 20.3 (2.4) 25.8 (3.5) 27.1 (2.8) 26.8 (3.4) 0.284
Female workers           
  WC ≥ 90 cm (M)/80 cm (W)   34.6 (4.8)   39.0 (2.5)   41.8 (3.3)   36.8 (1.4) <0.001
19.5 (12.2) 41.8 (3.4) 24.6 (4.3) 42.0 (3.4) 36.9 (3.2) 50.5 (6.7) 32.0 (5.1) 22.4 (5.4) 40.9 (5.0) <0.001
  BP ≥ 130/85 mmHg or treated   21.0 (1.8)   23.8 (2.2)   27.6 (1.9)   25.6 (1.2) <0.001
29.4 (10.8) 19.0 (2.2) 23.2 (3.3) 26.4 (2.9) 21.3 (3.0) 29.0 (4.2) 32.3 (4.8) 7.1 (4.0) 27.0 (2.5) <0.001
  TG ≥ 150 mg/dl   15.7 (2.7)   23.3 (2.9)   17.6 (2.1)   17.9 (1.1) <0.001
31.8 (13.2) 18.4 (2.1) 5.6 (2.0) 22.7 (4.5) 23.6 (3.4) 16.1 (2.6) 9.5 (4.0) 8.3 (4.8) 18.4 (2.8) <0.001
  HDL-C < 50 mg/dl   34.9 (4.7)   32.2 (2.9)   34.7 (3.1)   32.8 (1.4) <0.001
15.1 (10.8) 43.0 (2.6) 21.2 (4.3) 33.2 (3.6) 33.0 (4.0) 43.0 (5.8) 37.9 (8.4) 16.8 (5.1) 32.1 (5.1) <0.001
  FPG ≥ 100 mg/dl or treated   19.8 (4.5)   16.1 (1.9)   19.0 (2.0)   18.1 (1.1) <0.001
9.4 (8.6) 24.7 (3.7) 15.6 (3.5) 15.3 (3.1) 17.1 (2.8) 14.9 (1.8) 9.0 (2.2) 15.2 (5.8) 20.7 (2.5) <0.001
  1. Abbreviation: All values were the estimated percentage (standard error). WC waist circumference, BP blood pressure, TG triglyceride, HDL-C high-density lipoprotein cholesterol, FPG fasting plasma glucose, M male, F female.