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Table 1 Risk Evaluation Criteria and baseline characteristics. Individuals from US population were classified as Low, Medium, and High risk as in KNHIC population. Within each risk group, random samples were selected each time of sampling from US population stratified with age and gender once they met the similar risk profile of KNHIC. This bootstrap-sampled match would be used as a control (interven ed) population.

From: Assessment of possible impact of a health promotion program in Korea from health risk trends in a longitudinally observed cohort

Baseline characteristics KNHIC population (N = 180,767)   Comparative population with intervention (N = 180,767)*
Risks Criteria N (%) Criteria N (%)
Perceived Health Poor /Fair 24,290(13.4) Poor /Fair 31,814(17.6)
Exercise Less than 1/week 100,395(55.5) Less than 1/week 56,399(31.2)
Alcohol Drink>7/week1 17,554(9.7) Drink>14/week 16,630(9.2)
Smoking Current smoker 55,052(30.4) Current smoker 29,645(16.4)
BMI BMI>25.0 for male, >23.0 for female2 46,227(25.6) BMI>27.50 69,776(38.6)
BP SBP> 120 or DBP>803 91,924(63.9) SBP> 139 or DBP>89 48,084(26.6)
Cholesterol Cholesterol>2204 32,118(17.2) Cholesterol>239 7,954(4.4)
Medical condition Self-reported disease 9,280(5.1) Self-reported disease5 35,973(19.9)
Baseline Class Average Age = 40.0 Male (61%) Average Age = 40.0 Male (61%)
Low Risk (0–2)   62.9%   63.0%
Medium Risk (3)   22.2%   22.3%
High Risk (4+)   14.9%   14.7%
  1. Note
  2. 1a drink of "Soju" = 2 drinks of wine/beer
  3. 2WHO guideline (1999) = 23.5 for Asians
  4. 3,4Korean Medical Association (2000) guideline
  5. 5 diabetes, heart problem, cancer, past stroke, bronchitis/emphysema
  6. *Simulated data after adjusted for age, gender, and baseline risk for KNHIC population