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Table 4 Hazard ratios and 95 % confidence intervals of all-cause mortality by quartiles of intake for fruit and vegetables for sensitivity analyses conducted on 149,787 participants with at least two years of follow-up

From: Fruit and vegetable consumption and all-cause mortality: evidence from a large Australian cohort study

 

Quartilesa

 

Q1

Q2

Q3

Q4

P for trend

HR

95 % CI

HR

95 % CI

HR

95 % CI

HR

95 % CI

 

Fruit and vegetable intakea

Model 1 (crude)

1.0

Reference

0.81

0.76, 0.88

0.74

0.68, 0.80

0.80

0.74, 0.86

<0.0001

Model 2b (age, sex adjusted)

1.0

Reference

0.90

0.84, 0.97

0.83

0.76, 0.90

0.80

0.74, 0.87

<0.0001

Model 3c (adjusted)

1.0

Reference

1.00

0.93, 1.08

0.96

0.88, 1.04

0.93

0.86, 0.93

0.07

Fruit intakea

Model 1 (crude)

1.0

Reference

0.90

0.81, 0.99

0.79

0.71, 0.87

0.79

0.71, 0.88

<0.001

Model 2b (age, sex adjusted)

1.0

Reference

0.74

0.67, 0.82

0.66

0.59, 0.73

0.62

0.56, 0.69

<0.001

Model 3c (adjusted)

1.0

Reference

0.88

0.80, 0.98

0.84

0.76, 0.94

0.83

0.74, 0.93

0.003

Vegetable intakea

Model 1 (crude)

1.0

Reference

0.82

0.75, 0.89

0.73

0.68, 0.79

0.84

0.78, 0.91

<0.0001

Model 2b (age, sex adjusted)

1.0

Reference

0.91

0.83, 0.99

0.84

0.78, 0.90

0.87

0.80, 0.94

<0.0001

Model 3c (adjusted)

1.0

Reference

0.98

0.90, 1.07

0.94

0.87, 1.02

0.98

0.90, 1.06

0.309

  1. Abbreviations: CI confidence interval, HR hazard ratio, Q quartile
  2. aThe quartiles of intake for fruit and vegetables (servings/day) were as follows: Fruit and vegetables combined: Q1: <4.0; Q2: 4 to ≤ 5.0; Q3: 5.0 to ≤7.0; Q4: >7.0. Fruit: Q1: <1.0; Q2: 1.0 to <2.0; Q3: 2.0 to <2.3; Q4: ≥2.3. Vegetables: Q1: ≤2.0; Q2: 2.0 to ≤3.0; Q3: 3.0 to ≤5.0, Q4: >5.0
  3. bModel 2 was adjusted for age (continuous) and sex
  4. cModel 3 was adjusted for age (categorical), sex, education level, marital status, location of residence, socio-economic status, smoking status, physical activity categories, multi-vitamin use, processed meat consumption, diabetes and body mass index categories. The model for fruit was adjusted for vegetable intake and vice versa