Table 3 Hazard ratios (HRs) for diabetes according to body mass index (BMI) and waist circumference (WC) status in older individuals (2015–2018)
Remained normal/underweight | Normal/underweight to overweight/obese | Overweight/obese to normal/underweight | Remained overweight/obese | |
|---|---|---|---|---|
Number | 22,133 (35.9%) | 5741 (9.3%) | 4110 (6.7%) | 29,603 (48.1%) |
New cases of diabetes (%) | 322 (1.5%) | 164 (2.9%) | 103 (2.5%) | 825 (2.8%) |
No. per 1000 person-years | 4.1 | 8.1 | 7.5 | 7.8 |
HR (95% CI)*△ | 1.00 | 1.96 (1.62–2.37) | 1.72 (1.38–2.15) | 1.88 (1.65–2.14) |
Retained normal waist circumference | Normal waist circumference to abdominal obesity | Abdominal obesity to normal waist circumference | Remained abdominally obese | |
|---|---|---|---|---|
Number | 30,030 (48.8%) | 8107 (13.2%) | 5086 (8.2%) | 18,382 (29.8%) |
No. new cases of diabetes (%) | 524 (1.7%) | 224 (2.8%) | 121 (2.4%) | 545 (3.0%) |
No. per 1000 person-years | 4.9 | 7.8 | 6.7 | 8.4 |
HR (95% CI)*△ | 1.00 | 1.58 (1.36–1.85) | 1.36 (1.11–1.65) | 1.66 (1.48–1.88) |