Sentences with phrase «dietary recall questionnaires»

Reason # 1: The study asked people to recall their food intake using a questionnaire at the beginning of the study, which is problematic because dietary recall questionnaires are notoriously inaccurate.

The Swedish Mammography Cohort was a community based observational study that used dietary recall questionnaires to estimate dairy product intake and compared that to weight changes.

The industry would suggest this very small study of «community dwellers» filling out a 12 month dietary recall questionnaire is in contradiction to more numerous and more detailed studies supporting the positives of drinking 100 % juice in moderation» Mr Parker concluded.

Not exact matches

To correct the dietary questionnaire data for measurement errors, intake data were calibrated with standardized 24 - hour dietary recall interviews on administered to a random sample of 8 % of the cohort.

Image - based dietary assessment, or IBDA, aims to reduce or eliminate the inaccuracies that commonly accompany traditional methods such as written dietary records, 24 - hour dietary recalls and food frequency questionnaires.

In all the studies, dietary magnesium levels were established making use of a 24 - hour dietary recall or a food frequency questionnaire.

Physical activity recall and 1 - week food frequency questionnaire were obtained at baseline and 3, 6, and 12 months to examine physical activity and dietary confounders as potential covariates.

In a subgroup of 1953 study participants who also completed a 24 - hour dietary - recall questionnaire on 2 nonconsecutive days, 33 the Spearman coefficient for the correlation between coffee consumption as assessed with this questionnaire and coffee consumption as assessed with the baseline food - frequency questionnaire was 0.80.

Among participants who completed the 24 - hour dietary - recall questionnaire, 79 % drank ground coffee, 19 % drank instant coffee, 1 % drank espresso coffee, and 1 % did not specify the type of coffee they consumed.

Dr. Spence and his colleagues offer us no validation of their questionnaire's ability to estimate lifelong egg consumption, nor of the ability of recent victims of stroke and transient ischemic attack to accurately recall their dietary habits.

Stratified analyses were also conducted by methodologic quality, sex, type of dietary assessment tool (food frequency questionnaires vs food records and 24 - hour recall), continental region (North America, Europe, and Asia), and type of prevention strategy (primary vs secondary) to assess the influence of these factors on the observed associations between diet and CHD.