Characteristics | Total (NÂ =Â 17,947) | Women (NÂ =Â 10,838) | Men (NÂ =Â 7109) | p-value* |
---|---|---|---|---|
Weight status | ||||
 Underweight (BMI < 18.5) | 4.0 | 5.7 | 2.4 | 0.00 |
 Normal weight (18.5 ≤ BMI < 23) | 39.3 | 46.6 | 32.3 |  |
 Overweight (23 ≤ BMI < 27.5) | 44.2 | 36.9 | 51.3 |  |
 Obese (27.5 ≤ BMI) | 12.5 | 10.9 | 14.0 |  |
 BMI (continuous) | 23.8 (3.4) | 23.2 (3.5) | 24.3 (3.2) | 0.00 |
Self-perceived weight status | ||||
 Lighter than average | 15.1 | 10.2 | 19.9 | 0.00 |
 Average | 38.4 | 39.4 | 37.6 |  |
 Heavier than average | 46.5 | 50.5 | 42.6 |  |
Self-rated health | ||||
 Poor | 16.0 | 18.8 | 13.3 | 0.00 |
 Fair | 45.5 | 45.9 | 45.2 |  |
 Good | 38.4 | 35.3 | 41.4 |  |
Socio-demographic characteristics | ||||
 Educational attainment | ||||
  Middle school | 21.0 | 25.3 | 16.9 | 0.00 |
  High school | 39.8 | 40.6 | 39.0 |  |
  Some college and above | 39.2 | 34.2 | 44.0 |  |
 Age | 42.9 (10.6) | 43.1 (10.6) | 42.6 (10.6) | 0.00 |
 Parent’s education | ||||
  No school | 14.5 | 15.0 | 14.1 | 0.16 |
  Lower secondary | 51.2 | 51.7 | 50.7 |  |
  Upper secondary/above | 34.3 | 33.4 | 35.2 |  |
 Marital status | ||||
  Single | 15.8 | 11.2 | 20.3 | 0.00 |
  Married | 77.8 | 80.0 | 75.7 |  |
  Separated/divorced/widowed | 6.4 | 4.0 | 8.8 |  |
 Region of residence | ||||
  Metropolitan cities | 47.9 | 49.0 | 46.9 | 0.01 |
  Small cities | 34.6 | 34.8 | 34.5 |  |
  Rural area | 17.4 | 16.2 | 18.6 |  |
 Annual household income (10,000 won) | 5222.4 (10,197.0) | 5193.5 (10,651.0) | 5250.2 (9737.6) | 0.78 |
 Occupational status | ||||
  Professional worker | 14.4 | 12.5 | 21.7 | 0.00 |
  Clerical/service/sales worker | 25.9 | 25.0 | 27.0 |  |
  Manual worker | 27.8 | 16.8 | 38.0 |  |
  Not in the labor force | 31.9 | 45.7 | 13.3 |  |
Health behaviors | ||||
 Hours of work | 6.2 (3.5) | 5.1 (3.4) | 8.0 (2.9) | 0.00 |
 Smoking | ||||
  Current Smoker | 35.2 | 8.4 | 61.1 | 0.00 |
  Former smoker | 12.5 | 4.0 | 20.6 |  |
  Non-smoker | 52.4 | 87.6 | 18.3 |  |
 Drinking | ||||
  Never | 20.3 | 29.3 | 11.7 | 0.00 |
  Light drinker | 24.7 | 36.3 | 13.6 |  |
  Light and frequent drinker | 16.7 | 19.0 | 14.5 |  |
  Moderate drinker | 14.4 | 8.8 | 19.7 |  |
  Heavy drinker (60–80 g ethanol/a day) | 11.6 | 3.7 | 19.2 |  |
  Binge drinker (> 80 g ethanol/a day) | 12.2 | 2.9 | 21.3 |  |