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Table 4 Concurrent validity of the Vienna Food Record against a weighed food record for energy adjusted (per 2500 kcal/d) daily macronutrient intake by gender

From: Reliability and validity of assessing energy and nutrient intake with the Vienna food record: a cross-over randomised study

 

VFRa mean (SD)

WFRb mean (SD)

Mean diff. (%)

pc

Pearson’s r

pd

Men (n = 13)

 Fat (g)

153.6 (48.7)

143.6 (29.0)

10.0 (7)

0.36

0.64

0.02

 Protein (g)

159.8 (39.8)

153.5 (40.1)

6.3 (4)

0.29

0.87

< 0.01

 Carbohydrates (g)

409.8 (64.9)

386.4 (78.8)

23.4 (6)

0.15

0.72

< 0.01

Average

  

5%

 

0.74

 

Women (n = 22)

 Fat (g)

160.5 (39.0)

155.7 (35.3)

4.8 (3)

0.54

0.52

< 0.01

 Protein (g)

143.8 (25.4)

145.9 (34.7)

−2.1 (− 2)

0.79

0.26

0.24

 Carbohydrates (g)

423.5 (82.6)

407.7 (100.3)

15.7 (4)

0.45

0.45

0.03

Average

  

3%

 

0.41

 
  1. aVienna Food Record, completed over 4 consecutive days including 1 weekend day
  2. bweighed Food Record, completed over 4 consecutive days including 1 weekend day
  3. c2-sided p-value derived from paired t-test
  4. d2-sided p-value derived from Pearson’s correlation