1997
DOI: 10.2188/jea.7.33
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Validation of Simplified Diet History Questionnaire

Abstract: Simplified methods to estimate long term nutrient intakes would be needed for not only nutritional epidemiologic studies but also other ones.Based on data of diet history questionnaires (DHQ) which ask frequency and portion size for 169 items from 2,371 participants randomly selected from our cohort study in a rural city of Japan, we simplified the DHQ by eliminating some items using stepwise regression method. To examine the validity of the simplified DHQ (SDHQ), we obtained the SDHQs from 31 volunteers who h… Show more

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Cited by 20 publications
(13 citation statements)
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“…Discussion Our weighted twenty-three-item dietary questionnaire proved successful in estimating mean intakes of energy and most nutrients. In addition, correlation coefficients observed in the present study (mostly between 0?4 and 0?7) were comparable to those observed in other validation studies of dietary questionnaires, which mainly chose diet records as the reference for dietary assessment (14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25) . Because of the method used to develop the short questionnaire, the two sets of nutrient intakes we used in our evaluation study may be considered as dependent on one another.…”
Section: Resultssupporting
confidence: 90%
“…Discussion Our weighted twenty-three-item dietary questionnaire proved successful in estimating mean intakes of energy and most nutrients. In addition, correlation coefficients observed in the present study (mostly between 0?4 and 0?7) were comparable to those observed in other validation studies of dietary questionnaires, which mainly chose diet records as the reference for dietary assessment (14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25) . Because of the method used to develop the short questionnaire, the two sets of nutrient intakes we used in our evaluation study may be considered as dependent on one another.…”
Section: Resultssupporting
confidence: 90%
“…The median correlation coefficients observed in this study were similar to or slightly lower than those in previously developed and validated dietary assessment questionnaires in Japan. [10][11][12] The validity in crude intakes was better than for energy-adjusted intakes both in men and women (Table 1), something hardly ever observed in the previous validation studies. [13][14][15] However, when adjustment was made for area, the difference in crude and energyadjusted intakes almost disappeared.…”
Section: Methodsmentioning
confidence: 72%
“…The questionnaire used in the study in Hawaii asked more number of foods and more dietary behaviors in detail, and the structure was more complicated than most questionnaires previously developed in Japan. The structure of the questionnaire of the study is more complicated and has more volume of questions compared to the questionnaires of previous studies in Japan [8][9][10][11][12]. Although the results were not satisfactory enough, they were thought to be comparable to those of the self-administered diet assessment methods developed in Western countries18, [23][24][25][26][27][28][29][30][31][32][33].…”
Section: Development Of a Dietary Assessment Questionnaire Formentioning
confidence: 99%
“…7. Those developed in Japan are, however, scarce [8][9][10][11][12]. Moreover, to our knowledge, those for health education with a reasonable validity does not yet exist in Japan.…”
mentioning
confidence: 99%