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Table 3 Risks of all-cause, cardiovascular disease, and cancer mortality according to nut consumption

From: Association between nut consumption and mortality risk: a 20-year cohort study in Korea with a stratified analysis by health-related variables

 

Nut consumption

Total

p for trend

Non-consumption

< 1 serving/week

1–2 servings/week

≥ 2 servings/week

Person-time (years), sum

632,384.80

543,684.00

113,715.20

111,312.70

1,401,096.70

 

Person-time (years), mean ± SD

12.66 ± 2.87

12.17 ± 2.52

11.64 ± 2.52

11.43 ± 2.28

12.28 ± 2.69

 

All-cause mortality

      

 Events

2,402

1,576

304

277

4,559

 

 Incidence per 1,000 person-years

3.80

2.90

2.67

2.49

3.25

 

 Model 1

1.000 (Ref)

0.810 (0.760–0.863)

0.773 (0.686–0.872)

0.743 (0.655–0.841)

 

< 0.001

 Model 2

1.000 (Ref)

0.853 (0.800–0.909)

0.800 (0.710–0.902)

0.735 (0.649–0.833)

 

< 0.001

 Model 3

1.000 (Ref)

0.928 (0.870–0.990)

0.912 (0.808–1.029)

0.882 (0.776–1.002)

 

0.008

 Model 4

1.000 (Ref)

0.927 (0.869–0.989)

0.908 (0.805–1.026)

0.877 (0.772–0.996)

 

0.006

Cardiovascular disease mortality

      

 Events

449

239

38

55

781

 

 Incidence per 1,000 person-years

0.71

0.44

0.33

0.49

0.56

 

 Model 1

1.000 (Ref)

0.667 (0.570–0.780)

0.525 (0.377–0.732)

0.807 (0.609–1.069)

 

< 0.001

 Model 2

1.000 (Ref)

0.717 (0.612–0.840)

0.554 (0.397–0.772)

0.801 (0.605–1.062)

 

< 0.001

 Model 3

1.000 (Ref)

0.798 (0.680–0.937)

0.655 (0.468–0.916)

1.010 (0.757–1.348)

 

0.078

 Model 4

1.000 (Ref)

0.800 (0.681–0.939)

0.656 (0.469–0.918)

1.009 (0.756–1.347)

 

0.080

Cancer mortality

      

 Events

1,028

763

163

138

2,092

 

 Incidence per 1,000 person-years

1.63

1.40

1.43

1.24

1.49

 

 Model 1

1.000 (Ref)

0.900 (0.819–0.988)

0.945 (0.801–1.115)

0.835 (0.699–0.998)

 

0.023

 Model 2

1.000 (Ref)

0.942 (0.857–1.035)

0.972 (0.823–1.147)

0.827 (0.692–0.988)

 

0.046

 Model 3

1.000 (Ref)

1.000 (0.909–1.100)

1.057 (0.894–1.251)

0.931 (0.776–1.118)

 

0.768

 Model 4

1.000 (Ref)

0.997 (0.906–1.097)

1.052 (0.889–1.245)

0.931 (0.775–1.117)

 

0.710

  1. One serving of nuts is 15 g. Values are presented as hazard ratios (95% confidence intervals) obtained from Cox proportional hazard regression analysis. Model 1: unadjusted; Model 2: adjusted for sex, age, and body mass index; Model 3: adjusted for Model 2 + household income (< 2 million won, 2–4 million won, ≥ 4 million won), education (≤ middle school, ≤ high school, ≥ college), alcohol drinking (never, past, or current drinker), smoking (never, past, or current smoker), physical activity (no or yes), and energy intake; Model 4: adjusted for Model 3 + history of diabetes, cardiovascular disease, hypertension, or metabolic syndrome