Table 1 Distribution (%) of study sample characteristics by education level among women: Korea National Health and Nutrition Examination Survey, 2010–2014 (N = 14,577)
From: Factors contributing to educational differences in obesity among women: evidence from South Korea
Characteristics | Less-educated | Highly-educated | ||
|---|---|---|---|---|
Proportion | (95% CI) | Proportion | (95% CI) | |
Obesity | 34.3 | (33.2-35.5) | 16.0 | (14.6-17.5) |
Demographic | ||||
 Age, years | ||||
  25–34 | 8.8 | (8.0-9.7) | 41.3 | (39.1-43.4) |
  35–44 | 17.6 | (16.6-18.7) | 36.6 | (34.7-38.6) |
  45–54 | 26.6 | (25.5-27.7) | 16.5 | (15.0-18.1) |
  55–64 | 21.5 | (20.5-22.4) | 4.5 | (3.8-5.2) |
   ≥ 65 | 25.6 | (24.5-26.7) | 1.2 | (0.9-1.5) |
 Marital status | ||||
  Married | 73.3 | (72.1-74.4) | 71.1 | (69.0-73.1) |
  Non-married | 26.7 | (25.6-27.9) | 28.9 | (26.9-31.0) |
 Residential area | ||||
  Urban | 76.7 | (73.6-79.5) | 90.7 | (88.5-92.6) |
  Rural | 23.3 | (20.5-26.4) | 9.3 | (7.5-11.5) |
Socioeconomic | ||||
 Occupational status | ||||
  Not employed | 50.8 | (49.5-52.1) | 42.6 | (40.6-44.6) |
  Employed | 49.2 | (47.9-50.5) | 57.4 | (55.4-59.4) |
Household income | ||||
  Median or higher | 43.4 | (42.0-44.8) | 73.0 | (71.1-74.9) |
  Below median | 56.6 | (55.2-58.0) | 27.0 | (25.1-28.9) |
Lifestyle | ||||
 Current smoking | ||||
  Non-smoking | 92.8 | (92.0-93.4) | 95.4 | (94.5-96.2) |
  Smoking | 7.3 | (6.6-8.0) | 4.6 | (3.8-5.5) |
 Risk from alcohol intake | ||||
  No or low | 73.4 | (72.3-74.5) | 64.3 | (62.3-66.3) |
  Medium or higher | 26.6 | (26.6-35.7) | 35.7 | (33.7-37.7) |
 Walking exercise | ||||
  Inactive | 65.2 | (64.0-66.4) | 64.4 | (62.5-66.3) |
  Active | 34.8 | (33.6-36.0) | 35.6 | (33.7-37.6) |
 Self-perceived stress | ||||
  Not stressed | 73.0 | (72.0-73.9) | 69.7 | (68.0-71.4) |
  Stressed | 27.0 | (26.1-28.0) | 30.3 | (28.6-32.0) |
N | 10,806 | Â | 3771 | Â |