| | Total (%) | Person-years | Number of T2DM | Incidence density (year−1) | Hazard ratio (HR) | 95% CI |
| | Demographics | | Age group | 51.1 ± 11.9 (18.0, 90.7) | 74964.5 | 2068 | 0.027586 | | | | ≤50.7275 | 4229 (50.1%) | 39576.2 | 747 | 0.018875 | 1.000 | — | | >50.7275 | 4221 (50.0%) | 35388.3 | 1321 | 0.037329 | 1.976 | (1.806, 2.161) | | Sex | | Female | 4019 (47.6%) | 36696.7 | 1030 | 0.028068 | 1.000 | — | | Male | 4431 (52.4%) | 38267.8 | 1038 | 0.027125 | 0.971 | (0.891, 1.058) | | Education | | Junior high school & below | 3244 (38.4%) | 27775.2 | 1011 | 0.036399 | 1.000 | — | | Senior high school | 1719 (20.3%) | 15,413 | 357 | 0.023162 | 0.639 | (0.567, 0.721) | | College/university & above | 2813 (33.3%) | 25843.9 | 528 | 0.020430 | 0.562 | (0.506, 0.625) | | Unknown | 674 (8.0%) | 5932.49 | 172 | 0.028993 | 0.798 | (0.679, 0.938) | | Marital status | | Married | 6448 (76.3%) | 57,660 | 1573 | 0.027281 | 1.000 | — | | Unmarried | 1354 (16.0%) | 11633.3 | 315 | 0.027077 | 0.994 | (0.880, 1.122) | | Unknown | 648 (7.7%) | 5671.25 | 180 | 0.031739 | 1.164 | (0.997, 1.358) | | Occupation | | Government | 1169 (13.8%) | 11724.5 | 291 | 0.024820 | 1.000 | — | | Farmers | 587 (7.0%) | 4745.08 | 160 | 0.033719 | 1.373 | (1.132, 1.665) | | Labourers | 1065 (12.6%) | 9581.96 | 199 | 0.020768 | 0.852 | (0.711, 1.020) | | Business | 2559 (30.3%) | 22030.3 | 555 | 0.025193 | 1.034 | (0.897, 1.193) | | Housekeeping & others | 1933 (22.9%) | 16640.2 | 575 | 0.034555 | 1.411 | (1.225, 1.625) | | Unknown | 1137 (13.5%) | 10242.4 | 288 | 0.028118 | 1.146 | (0.974, 1.349) | | Lifestyle variables | | Cigarette smoking | | No | 6301 (74.6%) | 56419.3 | 1553 | 0.027526 | 1.000 | — | | Yes | 2149 (25.4%) | 18545.2 | 515 | 0.027770 | 1.011 | (0.915, 1.117) | | Alcohol drinking | | No | 6147 (72.8%) | 54,897 | 1518 | 0.027652 | 1.000 | — | | Yes | 2303 (27.3%) | 20067.5 | 550 | 0.027407 | 0.994 | (0.902, 1.096) | | Betel nut chewing | | No | 7826 (92.6%) | 69575.5 | 1884 | 0.027078 | 1.000 | — | | Yes | 624 (7.4%) | 5388.99 | 184 | 0.034144 | 1.261 | (1.084, 1.467) | | Underlying diseases | | Hypertension | | No | 6895 (81.6%) | 62848.7 | 1515 | 0.024105 | 1.000 | — | | Yes | 1423 (16.8%) | 11150.4 | 531 | 0.047622 | 1.976 | (1.790, 2.182) | | Unknown | 132 (1.6%) | 965.437 | 22 | 0.022788 | 0.974 | (0.639, 1.484) | | Heart disease | | No | 7700 (91.1%) | 68690.6 | 1847 | 0.026889 | 1.000 | — | | Yes | 618 (7.3%) | 5308.45 | 199 | 0.037487 | 1.391 | (1.202, 1.611) | | Unknown | 132 (1.6%) | 965.437 | 22 | 0.022788 | 0.87 | (0.571, 1.325) | | Family disease history | | Hypertension | | No | 5515 (65.3%) | 49469.2 | 1333 | 0.026946 | 1.000 | — | | Yes | 2845 (33.7%) | 24865.1 | 721 | 0.028996 | 1.078 | (0.984, 1.180) | | Unknown | 90 (1.1%) | 630.259 | 14 | 0.022213 | 0.847 | (0.500, 1.435) | | Diabetes | | No | 6613 (78.3%) | 59774.9 | 1515 | 0.025345 | 1.000 | — | | Yes | 1747 (20.7%) | 14555.9 | 539 | 0.037030 | 1.466 | (1.329, 1.617) | | Unknown | 90 (1.1%) | 633.752 | 14 | 0.022091 | 0.897 | (0.530, 1.520) | | Stroke | | No | 7197 (85.2%) | 63978.1 | 1745 | 0.027275 | 1.000 | — | | Yes | 1164 (13.8%) | 10362.1 | 309 | 0.029820 | 1.093 | (0.968, 1.233) | | Unknown | 89 (1.1%) | 624.331 | 14 | 0.022424 | 0.844 | (0.499, 1.429) | | Heart disease | | No | 7304 (86.4%) | 64926.4 | 1783 | 0.027462 | 1.000 | — | | Yes | 1056 (12.5%) | 9403.82 | 271 | 0.028818 | 1.049 | (0.923, 1.192) | | Unknown | 90 (1.1%) | 634.366 | 14 | 0.022069 | 0.825 | (0.488, 1.397) |
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