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Validation Information: Diet History Interview (DISHES 98)

Mensink 2001

Validity of DISHES 98, a computerised dietary history interview: energy and macronutrient intake

Objective: To estimate the relative validity of a computerised dietary history instrument (DISHES 98).

Settings: Munich and Berlin.

Subjects: A total of 148 persons aged 19–59 y recruited from two research centres.

Design: A relative validation study. Energy and macronutrient intakes obtained with DISHES 98 were compared to those assessed with 3-day weighed dietary records and with a 24 h dietary recall.

Results: Intakes of energy, total, saturated and monounsaturated fat, polysaccharides and alcohol were significantly higher and intake of dietary fibre was significantly lower with the 3-day records than with DISHES 98. For intakes of total, animal and vegetable protein, total carbohydrates, mono- and disaccharides and cholesterol the mean difference between DISHES 98 and the 3-day dietary records was less than 5% of the intake with DISHES 98. Pearson's correlation coefficients between DISHES 98 and 3-day records varied from 0.34 for intake of polyunsaturated fat to 0.69 for intake of disaccharides and from 0.27 for polyunsaturated fat to 0.65 for total carbohydrates between DISHES 98 and the 24 h recall. The proportion of participants classified into the same or adjacent quintile of intake varied between 66.9% for polyunsaturated fat and 90.4% for alcohol comparing DISHES 98 and 3-day records and between 60.2% for polyunsaturated fat and 78.4% for total carbohydrates comparing DISHES 98 and 24 h recalls.

Conclusion: The observed differences between DISHES 98 and the other methods are in an acceptable range for assessing dietary intake in epidemiologic studies.

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Validation Information

Author
Mensink
Year of Publication
2001

Tool Information

Dietary Exposure Measured
Energy, Macronutrient, Micronutrient, Food Groups
Tool Type
Diet History
Timeframe Tool Measures info
4 weeks
Portion Size Measures info
Models of cups, glasses, spoons, plates and bowels are used for portion estimation
Reporting Method info
Retrospective; Usual
Format info
Online
Supplements Measured
Included
Administration Method info
Interviewer administered

Study Information

Study Location
Germany
Associated Nutrient Database
German Federal Food Code, Version II.2
Comparator Validated Against
24hr Recall, Weighed Food Diary

Participants

Sample Size
148 (Weighed Food Diary), 148 (24hr Recall)
Lifestage
Adults
Age of Population

Range: 19-59 years; Mean (SD), Males: 37 (11) years; Mean (SD), Females: 37 (10) years

Sex
Both
Other Notable Characteristics
Participants were recruited from 2 research centres and included a variety of socio-economic statuses. All subjects received a small incentive.

Total number of nutrients validated: 7 info

Not all of the nutrients validated in the validation studies are included in the table below, as statistical data was only selected to be displayed for a number of nutrients, this included:

  • Energy
  • Fat
  • Saturated Fat
  • Mono-unsaturated Fat
  • Poly-unsaturated Fat
  • Carbohydrates
  • Protein
  • Sugar
  • Non‐starch polysaccharides(NSP)
  • Sodium
  • Calcium
  • Iron
  • Zinc
  • Retinol
  • Folate
  • Folic Acid
  • Vitamin B12
  • Vitamin C
  • Fruit & Vegetables
  • Urinary Nitrogen

To find information on the other validated nutrients please read the validation study.

  • Energy
  • Macronutrients: 7
  • Micronutrients: 0
Comparator Lifestage Sex Nutrient Measured info Mean Difference Standard Deviation info Correlation Coefficient info Cohen's Kappa Coefficient Percentage Agreement Percentage Agreement Categories info Lower Limits of Agreement Upper Limits of Agreement
Weighed Food Diary Adults Both Energy (kJ) -610 2470 0.64 (P) 0.27 41.9 5 -5550 4330
Protein (g) -1.5 24.6 0.61 (P) 0.07 35.8 5 -50.7 47.7
Fat (g) -7.6 30.9 0.51 (P) 0.16 32.4 5 -69.4 54.2
Saturated fat (g) -2.4 13.9 0.54 (P) 0.17 33.8 5 -30.2 25.4
MUFA (g) -4.3 11.7 0.51 (P) 0.16 32.4 5 -27.7 19.1
PUFA (g) -0.7 6.5 0.34 (P) 0.10 27.7 5 -13.7 12.3
Carbohydrates (g) -7.9 75.3 0.60 (P) 0.24 39.2 5 -158.5 142.7
Fibre (g) 2.1 7.3 0.60 (P) 0.23 38.5 5 -12.5 16.7
24hr Recall Adults Both Energy (kcal) -146 590 0.64 (P) 0.27 41.9 5 -1327 1035
Energy (kJ) -100 2790 0.61 (P) 0.27 41.2 5 -5680 5480
Protein (g) 7.0 30.1 0.46 (P) 0.24 39.2 5 -53.2 67.2
Fat (g) -2.3 37.2 0.39 (P) 0.16 33.1 5 -76.7 72.1
Saturated fat (g) -0.7 16.7 0.43 (P) 0.16 32.4 5 -34.1 32.7
MUFA (g) -2.2 14.9 0.33 (P) 0.12 29.7 5 -32 27.6
PUFA (g) 0.3 8.9 0.27 (P) 0.15 23.0 5 -17.5 18.1
Carbohydrates (g) -3.2 76.0 0.65 (P) 0.32 45.3 5 -155.2 148.8
Fibre (g) 3.0 9.5 0.51 (P) 0.16 33.1 5 -16 22

Some results have been calculated using statistical techniques based on the published data.

For further information on statistical terms click on Statistical tests used in validation studies

All correlations coefficients in the table are unadjusted unless stated otherwise. For adjusted correlation coefficients and other statistical methods used in the study e.g. paired t-tests, please read the validation articles.

  • # Adjusted
  • † Energy adjusted.
  • ‡ For loge-transformed, energy-adjusted nutrient intakes.
  • ^ Adjacent included.
  • ᵟ Participants provided identical responses.
  • (w) = Weighted.

Mensink GB, Haftenberger M, Thamm M. Original Communications-Validity of DISHES 98, a computerised dietary history interview: Energy and macronutrient intake. European Journal of Clinical Nutrition. 2001;55(6):409-17