Sentences with phrase «semiquantitative food frequency»

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

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.

Food groups were formed based on a semiquantitative food frequency questionnaire (12); for example, the whole - grain group was formed as the sum of the number of servings per week of dark bread, brown rice, whole - grain breakfast cereal, bran, wheat germ, and a miscellaneous whole - grain item (13).

Not exact matches

In 1986 and 1990, a semiquantitative food - frequency questionnaire (SFFQ) was mailed to NHS participants.

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