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Table 2 Associations between adding salt at the table and incident cardiovascular disease and mortality among 413,109 participants

From: Frequency of adding salt at the table and risk of incident cardiovascular disease and all-cause mortality: a prospective cohort study

 

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

    

 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

    

 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

    

 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)

  1. Model 1: adjusted for age, sex, ethnicity, education, Townsend deprivation index, household income
  2. Model 2: model 1 + smoking status, alcohol intake, total physical activity, healthy diet score
  3. Model 3: model 2 + body mass index, diabetes, dyslipidemia, family history of stroke, and family history of heart disease