| Frequency of adding salt at the table | |||
---|---|---|---|---|
 | Never/rarely | Sometimes | Usually | Always |
CVD incidence | ||||
 Cases/person-years | 19,140/2,654,769 | 10,645/1,335,958 | 4933/544,908 | 2373/222,127 |
 Model 1 | 1 (ref) | 1.07 (1.04–1.09) | 1.11 (1.08–1.15) | 1.31 (1.25–1.37) |
 Model 2 | 1 (ref) | 1.04 (1.02–1.06) | 1.06 (1.02–1.09) | 1.21 (1.16–1.26) |
 Model 3 | 1 (ref) | 1.03 (1.01–1.06) | 1.04 (1.01–1.08) | 1.21 (1.16–1.26) |
Coronary heart disease incidence | ||||
 Cases/person-years | 14,212/2,674,176 | 7910/1,346,554 | 3700/549,801 | 1787/224,341 |
 Model 1 | 1 (ref) | 1.06 (1.03–1.09) | 1.11 (1.07–1.15) | 1.31 (1.24–1.37) |
 Model 2 | 1 (ref) | 1.04 (1.01–1.06) | 1.06 (1.02–1.10) | 1.22 (1.16–1.28) |
 Model 3 | 1 (ref) | 1.03 (1.00–1.06) | 1.05 (1.01–1.09) | 1.22 (1.16–1.28) |
Heart failure incidence | ||||
 Cases/person-years | 4157/2,730,607 | 2362/1,378,469 | 1121/564,201 | 567/231,282 |
 Model 1 | 1 (ref) | 1.08 (1.02–1.13) | 1.13 (1.06–1.20) | 1.37 (1.25–1.49) |
 Model 2 | 1 (ref) | 1.05 (0.99–1.10) | 1.06 (0.99–1.13) | 1.23 (1.12–1.35) |
 Model 3 | 1 (ref) | 1.02 (0.97–1.08) | 1.03 (0.96–1.10) | 1.21 (1.11–1.33) |
Stroke incidence | Â | Â | Â | Â |
 Cases/person-years | 3784/2,729,456 | 2107/1,377,682 | 924/564,059 | 446/231,152 |
 Model 1 | 1 (ref) | 1.08 (1.02–1.14) | 1.07 (0.99–1.15) | 1.28 (1.16–1.42) |
 Model 2 | 1 (ref) | 1.05 (0.99–1.11) | 1.01 (0.94–1.09) | 1.16 (1.05–1.28) |
 Model 3 | 1 (ref) | 1.05 (0.99–1.11) | 1.01 (0.94–1.08) | 1.17 (1.06–1.29) |
All-cause mortality | Â | Â | Â | Â |
 Deaths/person-years | 10,762/2,725,720 | 6085/1,376,591 | 2944/563,957 | 1502/231,408 |
 Model 1 | 1 (ref) | 1.09 (1.05–1.12) | 1.17 (1.12–1.22) | 1.45 (1.38–1.54) |
 Model 2 | 1 (ref) | 1.04 (1.01–1.07) | 1.06 (1.02–1.11) | 1.23 (1.16–1.30) |
 Model 3 | 1 (ref) | 1.03 (1.00–1.07) | 1.06 (1.01–1.10) | 1.22 (1.16–1.29) |
CVD mortality | Â | Â | Â | Â |
 Deaths/person-years | 2053/2,725,720 | 1215/1,376,591 | 580/563,957 | 299/231,408 |
 Model 1 | 1 (ref) | 1.12 (1.04–1.20) | 1.16 (1.05–1.27) | 1.41 (1.25–1.60) |
 Model 2 | 1 (ref) | 1.07 (1.00–1.15) | 1.05 (0.96–1.16) | 1.20 (1.06–1.36) |
 Model 3 | 1 (ref) | 1.06 (0.98–1.13) | 1.04 (0.95–1.14) | 1.19 (1.05–1.35) |