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Table 4 Unadjusted and age-adjusted prevalence of the metabolic syndrome by category of the Korean Standard Classification of Occupations stratified by gender

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

   Prevalence of the metabolic syndrome
(95% confidence intervals)
Occupational groups Number * Unadjusted Age-adjusted
Overall male workers 1,859/13,152,179 24.1 (21.7–26.5) 23.2 (21.0–25.5)
Non-manual workers 676/4,905,005 26.3 (22.3–30.2) 26.4 (22.3–30.5)
  Managers 61/362,106 31.7 (18.1–45.3) 26.5 (14.2–38.8)
  Professional and related workers 335/2,531,917 25.0 (19.3–30.8) 27.3 (20.9–33.6)
  Clerks 280/2,010,981 26.9 (21.0–32.8) 24.6 (18.1–31.1)
Service/sales workers 304/2,302,276 19.9 (14.6–25.2) 21.5 (15.9–27.1)
  Service workers 104/910,156 15.7 (8.1–23.3) 17.5 (9.0–26.0)
  Sales workers 200/1,392,120 22.7 (15.3–30.0) 23.0 (16.2–29.8)
Manual workers 879/5,944,897 23.9 (20.6–27.1) 20.1 (17.3–23.0)
  Skilled agricultural, forestry and fishery workers 272/1,589,656 24.3 (18.2–30.4) 15.6 (10.9–20.2)
  Craft and related trades workers 206/1,733,288 15.7 (10.6–20.7) 16.4 (11.0–21.9)
  Equipment, machine operating and assembling workers 240/1,597,780 35.4 (28.4–42.4) 26.5 (21.1–32.0)
  Elementary workers 161/1,024,171 19.2 (11.3–27.2) 16.9 (9.4–24.4)
Overall female workers 1,544/8,824,612 17.3 (14.8–19.8) 19.5 (17.3–21.6)
Non-manual workers 545/3,325,220 7.7 (4.4–10.9) 20.8 (11.3–30.2)
  Managers 8/22,859 12.8 (−9.1–34.8) 10.6 (−6.7–27.9)
  Professional and related workers 334/1,998,628 7.3 (3.5–11.2) 27.9 (21.5–34.3)
  Clerks 203/1,303,732 8.1 (2.6–13.5) 9.8 (2.7–16.9)
Service/sales workers 428/2,502,853 16.9 (12.8–20.9) 18.4 (13–22.9)
  Service workers 215/1,340,314 16.9 (11.4–22.3) 20.5 (14.5–26.6)
  Sales workers 213/1,162,539 16.9 (11.2–22.5) 17.6 (11.9–23.2)
Manual workers 581/2,996,538 28.4 (23.9–32.9) 20.8 (16.9–24.7)
  Skilled agricultural, forestry and fishery workers 225/1,011,474 39.2 (31.8–46.6) 22.0 (15.2–28.9)
  Craft and related trades workers 42/258,235 19.1 (4.4–33.8) 12.0 (2.8–21.2)
  Equipment, machine operating and assembling workers 35/158,745 7.8 (−2.5–18.1) 6.2 (−1.7–14.2)
  Elementary workers 279/1,568,083 25.0 (19.1–31.0) 20.0 (14.5–25.5)
  1. *Subject number/estimated population number. The prevalence estimate for each occupational group was above the upper bound of the 95% confidence interval for the overall prevalence estimate.