Sentences with phrase «validated food frequency»
The team used a validated food frequency questionnaire to determine consumption of fish, vegetables, fruit, alcohol - containing beverages, dairy products, and meat.
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Adherence was monitored with the use of food - frequency questionnaires during the study and was corroborated at the end of the study through the measurement of peanut in bed dust, an objective and previously validated surrogate for consumption.23, 24
On entering the study, participants completed a previously validated semi-quantitative food frequency questionnaire to collect information on coffee consumption, lifestyle and sociodemographic characteristics, anthropometric measurements, and previous health conditions.
Design: Analysis included 1490 postmenopausal women and 1245 men aged ge 49 y at baseline (1992 — 1994) from a population - based cohort who completed a validated food - frequency questionnaire.
Participants were asked to report the hours spent per week on moderate (eg, brisk walking) and vigorous (eg, strenuous sports and jogging) exercise, then the total hours of metabolic equivalent tasks per week were estimated on the basis of the metabolic equivalent task score assigned to each activity.15 Dietary variables were assessed using a validated semiquantitative food frequency questionnaire.12 Mental health was assessed using the 36 - Item Short - Form Health Survey in the 1996 questionnaire.