Table 2.
Event | Person-years | Incidencea | HR (95% confidence interval) b | P value | |
---|---|---|---|---|---|
BMI, kg/m2 | |||||
< 18.5 | 466 | 322,751 | 144.38 | 0.93 (0.85, 1.02) | 0.143 |
18.5–22.9 | 7338 | 4,841,077 | 151.57 | Ref. | |
23.0–24.9 | 6775 | 4,218,668 | 160.59 | 1.12 (1.08, 1.16) | < .001 |
25.0–29.9 | 7560 | 5,039,457 | 150.01 | 1.05 (1.03, 1.08) | 0.007 |
≥ 30 | 445 | 319,345 | 139.34 | 0.98 (0.89, 1.08) | 0.650 |
WC, cm | |||||
< 85 | 3833 | 7,206,600 | 142.54 | 0.91 (0.88, 0.94) | < .001 |
85–90 | 4260 | 3,744,368 | 156.98 | Ref. | |
90–95 | 4363 | 2,398,016 | 166.34 | 0.99 (0.95, 1.03) | 0.703 |
≥ 95 | 716 | 1,392,314 | 175.53 | 0.97 (0.92, 1.02) | 0.179 |
cP for interaction | < 0.05 |
BMI body mass index, WC waist circumference, HR hazard ratio
aAll rates are expressed as number per 100,000 person-years
bAdjusted for age, diabetes, hypertension, dyslipidemia, smoking status, and alcohol consumption
cP for interaction between BMI and WC