OBJECTIVE To evaluate a short questionnaire as predictor of serum cholesterol obtained from a probabilistic sample of adolescents. METHODS A probabilistic sample of 5th to 12th grade students from state public schools in Niteroi, state of Rio de Janeiro, Brazil was drawn based on 28 classes. Five hundred seventy-seven subjects had their blood collected, and 539 answered the simplified questio...

OBJECTIVE To develop and test a food frequency questionnaire (FFQ) for use in rural areas of Kerala, India. DESIGN Based on food use and market surveys of the study area, a quantitative 81-item interviewer-administered FFQ was developed. A validation study was conducted consisting of 24-h diet recalls (24HR) administered on 8 days randomly selected over an entire year and two administrations ...

The objective of the study was to examine whether reasons to adopt vegetarian lifestyle differ significantly among generations. Using a Food Frequency Questionnaire (FFQ), we identified that 4% of the participants were vegans, 25% lacto-ovo-vegetarians, 4% pesco-vegetarians and 67% non-vegetarian. Younger people significantly agreed more with the moral reason and with the environmental reason. ...

OBJECTIVE To develop and test a quantitative, interviewer-administered food frequency questionnaire (FFQ) to ascertain nutrient intakes of individuals in northern India. DESIGN A 92-item FFQ was developed based on food use and market surveys of the study area. A validation study was conducted consisting of 24-h diet recalls (24HR) administered on 6 randomly selected days over 1 year. Two FFQs...

Of the commonly accepted tools for assessing habitual dietary intake in epidemiological studies, the one that is most often used in population surveys is the food frequency questionnaire (FFQ) (Briefel et al., 1992; Kushi, 1994). When using the FFQ, the results generally represent usual intakes over an extended period and are easier to collect and process. The FFQ is then used to study associat...