Table 5 Hazard ratios (HRs) for diabetes according to baseline body mass index (BMI) and frequency of physical exercise in older individuals (2015–2018)
Never | Less than once a week | More than once a week | Everyday | |
|---|---|---|---|---|
Number | ||||
BMI < 24 kg/m2 | 6315 | 1477 | 6279 | 13,803 |
24 kg/m2 ≤ BMI < 28 kg/m2 | 4972 | 1352 | 5569 | 13,370 |
BMI ≥ 28 kg/m2 | 1726 | 446 | 1923 | 4355 |
No. of new cases of diabetes (%) | ||||
BMI < 24 kg/m2 | 105 (1.7%) | 24 (1.6%) | 101 (1.6%) | 256 (1.9%) |
24 kg/m2 ≤ BMI < 28 kg/m2 | 146 (2.9%) | 42 (3.1%) | 141 (2.5%) | 312 (2.3%) |
BMI ≥ 28 kg/m2 | 56 (3.2%) | 16 (3.6%) | 62 (3.2%) | 153 (3.5%) |
No. per 1000 person-years | ||||
BMI < 24 kg/m2 | 4.7 | 3.8 | 4.6 | 5.2 |
24 kg/m2 ≤ BMI < 28 kg/m2 | 8.2 | 8.7 | 7.1 | 6.6 |
BMI ≥ 28 kg/m2 | 9.1 | 10.1 | 9.0 | 9.9 |
HR (95% CI)△ | ||||
BMI < 24 kg/m2 | 1.00 | 0.98 (0.63–1.53) | 0.98 (0.74–1.29) | 1.16 (0.92–1.45) |
24 kg/m2 ≤ BMI < 28 kg/m2 | 1.00 | 1.08 (0.77–1.52) | 0.88 (0.69–1.11) | 0.81 (0.67–0.99) |
BMI ≥ 28 kg/m2 | 1.00 | 0.76 (0.48–1.21) | 0.48 (0.18–1.28) | 0.67 (0.38–1.16) |