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Table 3 Mortality outcomes by dietary copper intake (Quartiles) among participants during the follow-up period

From: The impact of dietary copper intake on cardiovascular morbidity and mortality among hypertensive patients: a longitudinal analysis from NHANES (2001–2018)

 

The quartile of Dietary copper intake

Q1(0–0.742)

Q2(0.742–1.038)

Q3(1.038–1.438)

Q4(1.438,46.237)

P for trend

All-Cause Mortality

 Number of deaths

773

675

638

548

 

 Model 1 h (95% CI) P

1

0.82(0.70,0.95) 0.01

0.65(0.57,0.73) < 0.0001

0.53(0.46,0.61) < 0.0001

< 0.0001

 Model 2 h (95% CI) P

1

0.86(0.74,1.00) 0.05

0.71(0.62,0.81) < 0.0001

0.68(0.59,0.79) < 0.0001

< 0.0001

 Model 3 h (95% CI) P

1

0.90(0.77,1.05) 0.19

0.77(0.67,0.88) < 0.001

0.76(0.65,0.89) < 0.001

< 0.0001

CVD Mortality

 Number of deaths

251

238

230

169

 

 Model 1 h (95% CI) P

1

0.84(0.66,1.06) 0.14

0.69(0.56,0.85) < 0.001

0.48(0.38,0.61) < 0.0001

0.004

 Model 2 h (95% CI) P

1

0.88(0.68,1.13) 0.31

0.75(0.59,0.95) 0.02

0.66(0.52,0.84) < 0.001

< 0.0001

 Model 3 h (95% CI) P

1

0.93(0.73,1.19) 0.57

0.81(0.64,1.03) 0.08

0.75(0.58,0.96) 0.02

0.013

  1. Model 1 was unadjusted
  2. Model 2 was adjusted for age, sex, race, and education level
  3. Model 3 was further adjusted for BMI, smoking and drinking status, and diabetes