Table 1 Baseline characteristics of individuals according to T2DM status stratified by gender in Taiwan in 1997–1998
| Â | Gender | |||
|---|---|---|---|---|
| Â | Men | Women | ||
| Â | General population (%) | Type2 diabetes (%) | General population (%) | Type2 diabetes (%) |
|  | N = 5,185,732 | N = 233,506 | N = 4,225,517 | N = 239,473 |
Age | ||||
   20-24 | 635,139 (12.25) | 543 (0.23) | 541,889 (12.82) | 532 (0.22) |
   25-29 | 853,765 (16.46) | 1,543 (0.66) | 679,275 (16.08) | 1,605 (0.67) |
   30-34 | 836,516 (16.13) | 4,150 (1.78) | 676,492 (16.01) | 3,039 (1.27) |
   35-39 | 752,396 (14.51) | 9,642 (4.13) | 622,116 (14.72) | 5,366 (2.24) |
   40-44 | 615,146 (11.86) | 17,613 (7.54) | 500,234 (11.84) | 10,357 (4.32) |
   45-49 | 431,072 (8.31) | 25,831 (11.06) | 342,065 (8.10) | 18,001 (7.52) |
   50-54 | 240,445 (4.64) | 24,387 (10.44) | 195,267 (4.62) | 23,547 (9.83) |
   55-59 | 221,643 (4.27) | 29,662 (12.70) | 192,694 (4.56) | 34,299 (14.32) |
   60-64 | 176,070 (3.4) | 31,195 (13.36) | 148,673 (3.52) | 39,859 (16.64) |
   65-69 | 171,633 (3.31) | 36,445 (15.61) | 114,456 (2.71) | 40,252 (16.81) |
   70-74 | 124,652 (2.40) | 28,984 (12.41) | 84,367 (2.00) | 31,256 (13.05) |
   75-79 | 72,715 (1.40) | 15,164 (6.49) | 60,737 (1.44) | 18,873 (7.88) |
   80-84 | 37,193 (0.72) | 6,148 (2.63) | 39,697 (0.94) | 8,721 (3.64) |
   85-89 | 13,621 (0.26) | 1,829 (0.78) | 20,066 (0.47) | 3,087 (1.29) |
   ≥90 | 3,726 (0.07) | 370 (0.16) | 7,489 (0.18) | 679 (0.28) |
Insurance premiums | ||||
   <19200 | 1,615,639 (31.16) | 75,398 (32.29) | 1,339,863 (31.71) | 61,621 (25.73) |
   ≥19200 | 3,570,093 (68.84) | 158,108 (67.71) | 2,885,654 (68.29) | 177,852 (74.27) |
Urbanization degree of area registered for National Health Insurance program | ||||
   High density urban area | 1,551,499 (30.28) | 63,914 (27.64) | 1,398,129 (33.52) | 61,109 (25.82) |
   Medium density urban area | 1,433,981 (27.99) | 67,054 (29.00) | 1,183,288 (28.37) | 64,685 (27.33) |
   Newly developed area | 985,111 (19.23) | 39,778 (17.20) | 719,525 (17.25) | 38,390 (16.22) |
   General area | 697,202 (13.61) | 35,137 (15.20) | 534,267 (12.81) | 40,501 (17.11) |
   Aging society area | 90,159 (1.76) | 6,204 (2.68) | 69,560 (1.67) | 7,877 (3.33) |
   Rural area | 187,136 (3.65) | 10,345 (4.47) | 138,781 (3.33) | 13,034 (5.51) |
   Non-developed area | 178,634 (3.49) | 8,803 (3.81) | 127,110 (3.05) | 11,096 (4.69) |