Table 2.
HRs of All-cause mortality according to BMI and WC for participants
| Participant with hypertension | Death | Pearson-years of follow-up | Mortality rate, per 10,000 pearson-year | Model 1,HR (95%CI) | Model 2,HR (95%CI) | Participant without hypertension | Death | Pearson-years of follow-up | Mortality rate, per 10,000 pearson-year | Model 1,HR (95%CI) | Model 2,HR (95%CI) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BMI grouped by 2 kg/m2 | BMI grouped by 2 kg/m2 | ||||||||||
| < 18 | 120 | 2332.6 | 514.4 | 1.127 (0.936–1.357) | 1.099 (0.913–1.323) | < 18 | 162 | 2681.9 | 604.1 | 1.541 (1.309–1.815) | 1.516 (1.287–1.785) |
| 18–20 | 486 | 10,898.3 | 445.9 | 1.159 (1.049–1.282) | 1.145 (1.036–1.267) | 18–20 | 501 | 12,319.9 | 406.7 | 1.276 (1.151–1.414) | 1.278 (1.153–1.416) |
| 20–22 | 1159 | 31,095.6 | 372.7 | 1.097 (1.018–1.180) | 1.092 (1.014–1.175) | 20–22 | 1072 | 35,521.0 | 301.8 | 1.089 (1.006–1.179) | 1.084 (1.001–1.174) |
| 22–24 | 1825 | 61,725.7 | 295.7 | Reference | Reference | 22–24 | 1396 | 58,620.5 | 238.1 | Reference | Reference |
| 24–26 | 1262 | 51,445.5 | 245.3 | 0.930 (0.866–1.000) | 0.932 (0.868–1.002) | 24–26 | 726 | 36,923.7 | 196.6 | 0.984 (0.899–1.076) | 0.992 (0.906–1.085) |
| 26–28 | 803 | 37,189.9 | 215.9 | 0.896 (0.824–0.973) | 0.902 (0.830–0.980) | 26–28 | 312 | 20,026.7 | 155.8 | 0.814 (0.720–0.921) | 0.824 (0.729–0.932) |
| 28–30 | 396 | 19,245.8 | 205.8 | 0.860 (0.771–0.959) | 0.864 (0.775–0.963) | 28–30 | 140 | 8176.0 | 171.2 | 0.989 (0.830–1.177) | 0.992 (0.833–1.181) |
| ≥ 30 | 326 | 15,696.9 | 207.7 | 0.938 (0.833–1.056) | 0.935 (0.831–1.053) | ≥ 30 | 69 | 4465.2 | 154.5 | 0.911 (0.715–1.161) | 0.915 (0.718–1.166) |
| BMI, kg/m2 | BMI, kg/m2 | ||||||||||
| < 18.5 | 190.0 | 3879.5 | 489.8 | 1.053 (0.908–1.221) | 1.074 (0.927–1.244) | < 18.5 | 246 | 4394.1 | 559.8 | 1.459 (1.280–1.663) | 1.444 (1.267–1.646) |
| 18.5–24 | 3400.0 | 102,172.8 | 332.8 | Reference | Reference | 18.5–24 | 2885 | 104,749.2 | 275.4 | Reference | Reference |
| 24–28 | 2065.0 | 88,635.4 | 233.0 | 0.877 (0.823–0.933) | 0.881 (0.834–0.931) | 24–28 | 1038 | 56,950.4 | 182.3 | 0.874 (0.814–0.939) | 0.884 (0.822–0.949) |
| ≥ 28 | 722.0 | 34,942.6 | 206.6 | 0.860 (0.766–0.966) | 0.856 (0.790–0.929) | ≥ 28 | 209 | 12,641.1 | 165.3 | 0.908 (0.788–1.046) | 0.912 (0.792–1.051) |
| BMI as a continuous variable (per SD increase) | 6377 | 229,630.3 | 277.7 | 0.930 (0.906–0.953) | 0.935 (0.912–0.958) | BMI as a continuous variable (per SD increase) | 4378 | 178,734.8 | 244.9 | 0.887 (0.856–0.918) | 0.891 (0.861–0.923) |
| WC, cm | WC, cm | ||||||||||
| < 90 (male)/ < 85 (female) | 4693 | 148,868.7 | 315.2 | reference | reference | < 90 (male)/ < 85 (female) | 3676 | 136,719.9 | 268.9 | Reference | Reference |
| ≥ 90 (male)/ ≥ 85 (female) | 1684 | 80,761.6 | 208.5 | 0.873 (0.825–0.923) | 0.880 (0.832–0.931) | ≥ 90 (male)/ ≥ 85 (female) | 702 | 42,014.9 | 167.1 | 0.909 (0.838–0.986) | 0.918 (0.846–0.996) |
| WC as a continuous variable (per SD increase) | 6377 | 229,630.3 | 277.7 | 0.941 (0.918–0.965) | 0.946 (0.922–0.969) | WC as a continuous variable (per SD increase) | 4378 | 178,734.8 | 244.9 | 0.944 (0.912–0.976) | 0.948 (0.916–0.981) |
Abbreviations: HR Hazard ratio, CI Confidential interval, BMI Body mass index, WC Waist circumference
Model 1: Adjusted age and sex
Model 2: Model 1 plus marital status, current drinking, current smoking, regular exercise, resting heart rate