Table 3.
Incidence rate of diabetes stratified by sex and categories of anthropometric changes
| From baseline to Survey 2004* | |||||||||
| Women (n=4811) | Men (n=3062) | Total (n=7873) | |||||||
| # cases | P-Y | IR† | #cases | P-Y | IR† | # cases | P-Y | IR† | |
| ∆weight% | |||||||||
| >5% loss | 47 | 8467.9 | 5.6 | 32 | 3806.2 | 8.4 | 79 | 12 274.1 | 6.4 |
| ±5% | 193 | 39 622.0 | 4.9 | 227 | 28 046.2 | 8.1 | 420 | 67 668.2 | 6.2 |
| >5% gain | 80 | 12 347.9 | 6.5 | 74 | 5841.1 | 12.7 | 154 | 18 189.0 | 8.5 |
| ∆BMI% | |||||||||
| >5% loss | 45 | 8281.6 | 5.4 | 34 | 3907.4 | 8.7 | 79 | 12 189.1 | 6.5 |
| ±5% | 189 | 38 863.4 | 4.9 | 217 | 27 324.9 | 7.9 | 406 | 66 188.3 | 6.1 |
| >5% gain | 84 | 13 215.9 | 6.4 | 81 | 6367.6 | 12.7 | 165 | 19 583.5 | 8.4 |
| ∆WC% | |||||||||
| >5% loss | 33 | 6548.7 | 5.0 | 31 | 4141.0 | 7.5 | 64 | 10 689.6 | 6.0 |
| ±5% | 181 | 38 523.9 | 4.7 | 226 | 26 767.0 | 8.4 | 407 | 65 290.9 | 6.2 |
| >5% gain | 100 | 15 070.4 | 6.6 | 70 | 6585.8 | 10.6 | 170 | 21 656.2 | 7.8 |
| ∆WHR% | |||||||||
| >5% loss | 29 | 4487.0 | 6.5 | 37 | 3501.8 | 10.6 | 66 | 7988.8 | 8.3 |
| ±5% | 197 | 42 121.6 | 4.7 | 235 | 27 538.2 | 8.5 | 432 | 69 659.9 | 6.2 |
| >5% gain | 84 | 12 908.7 | 6.5 | 47 | 5585.9 | 8.4 | 131 | 18 494.6 | 7.1 |
| From baseline to Survey 2008† | |||||||||
| Women (n=11 374) | Men (n=6644) | Total (n=18 018) | |||||||
| # cases | P-Y | IR‡ | # cases | P-Y | IR‡ | # cases | P-Y | IR‡ | |
| ∆weight% | |||||||||
| >5% loss | 67 | 13 610.0 | 4.9 | 37 | 5824.0 | 6.4 | 104 | 19 434.1 | 5.4 |
| ±5% | 363 | 19 506.4 | 5.9 | 365 | 52 702.7 | 6.9 | 728 | 134 185.8 | 5.4 |
| >5% gain | 116 | 81 483.1 | 1.4 | 101 | 8888.2 | 11.4 | 217 | 28 394.6 | 7.6 |
| ∆BMI% | |||||||||
| >5% loss | 71 | 13 602.5 | 5.2 | 41 | 6167.8 | 6.6 | 112 | 19 770.3 | 5.7 |
| ±5% | 349 | 79 380.4 | 4.4 | 351 | 51 340.4 | 6.8 | 700 | 130 720.8 | 5.4 |
| >5% gain | 122 | 21 393.4 | 5.7 | 110 | 9756.4 | 11.3 | 232 | 31 149.8 | 7.4 |
| ∆WC% | |||||||||
| >5% loss | 62 | 11 687.3 | 5.3 | 42 | 6759.6 | 6.2 | 104 | 18 446.9 | 5.6 |
| ±5% | 336 | 78 891.7 | 4.3 | 370 | 50 553.5 | 7.3 | 706 | 129 445.2 | 5.5 |
| >5% gain | 142 | 23 547.6 | 6.0 | 87 | 10 000.3 | 8.7 | 229 | 33 547.9 | 6.8 |
| ∆WHR% | |||||||||
| >5% loss | 52 | 7947.6 | 6.5 | 45 | 5798.0 | 7.8 | 97 | 13 745.6 | 7.1 |
| ±5% | 368 | 85 572.8 | 4.3 | 376 | 51 967.3 | 7.2 | 744 | 137 540.1 | 5.4 |
| >5% gain | 115 | 20 002.6 | 5.7 | 72 | 8606.0 | 8.4 | 187 | 28 608.6 | 6.5 |
*Average follow-up time between baseline and Survey 2004 completion was 2.5±0.3 years.
†Average follow-up time between baseline and Survey 2008 completion was 4.2±2.2 years.
‡IR: incidence rate (per 1000 P-Y) was unadjusted crude rate.
BMI, body mass index; IR, incidence rate; P-Y, person-years; WC, waist circumference; WHR, waist-hip-ratio.