Sentences with phrase «food frequency questionnaires administered»

Not exact matches

Both studies used detailed food - frequency questionnaires administered every four years to evaluate the composition of the participants» diets.

Estimates from 2 semiquantitative food - frequency questionnaires, administered in 1986 and 1990, were averaged to assess dietary intakes.

Bedard D, Shatenstein B, Nadon S. Underreporting of energy intake from a self - administered food - frequency questionnaire completed by adults in Montreal.

Diet was assessed at phases 3, 5, 7 and 9 using a 127 - item machine - readable semi-quantitative food frequency questionnaire (FFQ) which originates from the tool used in the US Nurses» Health Study, a self - administered questionnaire on habitual diet over the past 12 months30, 31.

At 11 and 34 weeks» gestation, diet during the preceding 3 months was assessed using an interviewer - administered food - frequency questionnaire, from which GL and GI were determined.

Reproducibility and validity of an expanded self - administered semiquantitative food frequency questionnaire among male health professionals