Table 1 General characteristics of the participants in four surveys
Variables | 2004 | 2007 | 2011 | 2016 |
|---|---|---|---|---|
Total number of participants | 89,404 | 29,991 | 12,103 | 30,541 |
Total number of participants aged 25-65 | 70,961 | 23,942 | 7953 | 23,734 |
Total number of participants with biochemical assessments aged 25-65 | 70,450 | 20,860 | 7641 | 16,758 |
Gender | ||||
 Female | 35,138 | 11,972 | 4456 | 12,473 |
 Male | 35,813 | 11,970 | 3497 | 11,301 |
Age category (year) | ||||
 25-39 | 25,955 | 8238 | 3095 | 10,766 |
 40-54 | 27,656 | 9807 | 2209 | 8589 |
 55-65 | 17,350 | 5897 | 2649 | 4379 |
Health insurance | ||||
 Yes | – | 23,868 | – | 23,233 |
 No | – | 74 | – | 501 |
Supplementary health insurance coverage (%) | – | – | – | 21.1 (20.7-21.6) |
Fasting blood sugar average | 94.9 (91.4-98.3) | 89.2 (88.6-89.8) | 93.0 (91.5-94.5) | 99.5 (98.8-100.1) |
Over weight prevalence (%) | 28.6 | 46.0 (45-47) | 48.2 (45.5-82.7) | 59.3 (58.7-59.9) |
Obesity prevalence (%) | 10.8 | 16.7 (16-17.6) | 16.8 (15.2-18.35) | 22.7 (22.2-23.2) |
Mean BMI (kg/m2) | 24.8 (24.6-24.9) | 25.1)25-25.2( | 25.3 (25.1-25.6) | 26.5 (26.5-26.6) |