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Table 2 Age-adjusted meansa of childhood and adulthood socioeconomic position (SEP) indicators and pathway variables by occupational class for men aged 35–64: The 2007–2009 Korea National Health and Nutrition Survey (n = 4176; weighted n = 10,528,165)

From: Analysis of factors contributing to occupational health inequality in Korea: a cross-sectional study using nationally representative survey data

  Upper Non-manual Lower Non-manual Manual Others
Mean 95% CI Mean 95% CI Mean 95% CI Mean 95% CI
Childhood SEP Height (cm) 169.8 169.4–170.3 169.7 169.4–170.1 168.1 167.7–168.4 168.4 167.9–168.9
Adulthood SEP Monthly household income (10,000 won) b 424.9 404.1–445.8 354.1 338.0–370.2 272.8 261.3–284.2 210.6 194.5–226.7
Biological health risk factors Body mass index (kg/m2) 24.7 24.5–24.9 24.5 24.3–24.8 24.1 23.9–24.3 24.0 23.8–24.2
Blood pressure (mmHg) 117.5 116.1–119.0 118.9 117.8–120.0 120.6 119.5–121.7 120.6 119.2–121.9
Serum total cholesterol (mg/dL) 192.1 189.5–194.7 189.9 187.4–192.3 191.8 189.5–194.1 191.0 188.2–193.8
Serum glucose level (mg/dL) 102.4 100.6–104.2 102.5 100.9–104.0 102.7 101.0–104.4 102.2 100.1–104.3
Health behaviors Smoking quantity per day (cigarettes) 17.8 16.6–19.1 18.5 17.4–19.5 19.4 18.7–20.2 18.6 17.5–19.6
Work environment c Cleanliness and comfort 3.1 3.1–3.2 3.0 3.0–3.1 2.5 2.5–2.6 2.6 2.6–2.7
Dangerous 1.7 1.7–1.8 1.8 1.8–1.9 2.6 2.6–2.7 2.3 2.2–2.4
Time pressure 2.3 2.3–2.4 2.3 2.2–2.3 2.3 2.2–2.3 2.4 2.4–2.5
Authority 3.2 3.2–3.3 3.0 3.0–3.1 2.7 2.7–2.8 3.0 3.0–3.1
Respected and trusted 3.1 3.0–3.1 3.0 3.0–3.1 2.9 2.9–3.0 3.0 2.9–3.0
Long hours in an uncomfortable position 1.8 1.8–1.9 1.9 1.9–2.0 2.3 2.3–2.4 2.4 2.3–2.5
Carrying heavy objects 1.6 1.5–1.6 1.9 1.8–2.0 2.3 2.3–2.4 2.5 2.4–2.5
Hiding emotions 2.2 2.2–2.3 2.3 2.2–2.3 2.3 2.3–2.3 2.1 2.1–2.2
  1. aAge-adjusted (50 years old) least squared means
  2. bBottom-coding for less than 170,000 won per month and top-coding for more than 9 million won per month were applied
  3. cMean score of responses for each question about the working environment (strongly disagre = 1, disagree = 2, agree = 3, strongly agree = 4)