Crude and age-standardised (with the 2005 Korean census and world standard populations as references) incidence density (per 100 person-years) for specific health problems in the health screening database of the National Health Insurance Service-National Health Screening Cohort database , 2005–2013
| All | Men | Women | ||||||||||
| Cohort n | Crude rates | Age-standardised rates | Cohort n | Crude rates | Age-standardised rates | Cohort n | Crude rates | Age-standardised rates | ||||
| Census | WHO | Census | WHO | Census | WHO | |||||||
| Incidence density (2005–2013) | ||||||||||||
| Anaemia* | 450 207 | 2.6 | 2.9 | 2.9 | 259 787 | 1.9 | 2.3 | 2.4 | 190 420 | 3.7 | 3.8 | 3.8 |
| Diabetes mellitus† | 461 760 | 1.7 | 1.7 | 1.7 | 243 937 | 2.1 | 2.1 | 2.1 | 217 823 | 1.2 | 1.3 | 1.3 |
| Hypertension‡ | 299 857 | 4.1 | 4.6 | 4.7 | 146 050 | 4.4 | 4.8 | 4.9 | 153 807 | 3.8 | 4.4 | 4.5 |
| Abnormal liver function test§ | 471 917 | 1.4 | 1.4 | 1.3 | 255 924 | 1.1 | 1.0 | 1.0 | 215 993 | 1.8 | 1.8 | 1.8 |
| Obesity¶ | 496 720 | 0.3 | 0.3 | 0.3 | 270 970 | 0.2 | 0.2 | 0.2 | 225 750 | 0.3 | 0.3 | 0.3 |
| Hypercholesterolaemia ** | 420 838 | 2.7 | 2.6 | 2.6 | 230 116 | 2.0 | 1.9 | 1.9 | 190 722 | 3.4 | 3.4 | 3.4 |
| Abnormal urine blood †† | 471 226 | 2.4 | 2.3 | 2.3 | 264 380 | 1.4 | 1.4 | 1.4 | 206 846 | 3.7 | 3.6 | 3.6 |
| Abnormal urine protein‡‡ | 499 428 | 0.7 | 0.7 | 0.8 | 269 992 | 0.8 | 0.8 | 0.8 | 229 436 | 0.7 | 0.7 | 0.7 |
Incident cases were defined as those cases newly diagnosed in 2005–2013 who did not meet the diagnostic criteria in 2002–2004.
*Hb <13 g/dL (men), <12 g/dL (women).
†Fasting glucose of 126 mg/dL.
‡Systolic blood pressure of 140 mm Hg or diastolic blood pressure 90 mm Hg.
§More than two times than upper limit of normal (ULN); ULN for alanine aminotransferase: men, 30 IU/L; women, 19 IU/L.
¶Body mass index ≥30 kg/m2.
**Total cholesterol ≥240 mg/dL (6.2 mmol/L).
††Urine dip-stick test for occult blood: +1, +2, +3, +4.
‡‡Urine dip-stick test for protein: +1, +2, +3, +4.