Sentences with phrase «week food frequency questionnaire»

Although the Lim team found no relationship between dietary intake of preformed retinol and fracture risk, it only used one one - week food frequency questionnaire (FFQ), 13 whereas the 1998 Melhus study used four one - week FFQs, 7 and the Nurses» Health Study used five one - week FFQs.

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.

Not exact matches

All study participants completed a food frequency questionnaire, detailing how much and how often they had eaten 187 food items over the preceding four weeks.

Almost all of these epidemiological studies rely on food frequency questionnaires that ask respondents to remember what they ate weeks, months, and in some cases, YEARS ago.

Data on maternal diet in pregnancy were collected by a food frequency questionnaire (FFQ) at 32 weeks gestation, covering all the main foods consumed in Britain [13].

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 (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 (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).

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.

In a validation study in the original Nurses» Health Study, we found high correlations between intake of coffee and other caffeinated beverages assessed with food frequency questionnaire and with four 1 - week diet records (coffee, r = 0.78; tea, r = 0.93; and caffeinated sodas, r = 0.85)(15).

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.

A food frequency questionnaire was constructed based on an instrument used previously in this population.3 Mothers were asked about the foods that their infant had consumed over the past week, when they first introduced these foods, and factors that might have influenced their feeding behavior.

Dietary data were collected from the Food Frequency Questionnaire (FFQ), a valid and reliable measure of estimated food and beverage consumption (Rogers and Emmett 1998); The FFQ was used to assess (a) mother's reported dietary patterns at 32 weeks gestation («pregnancy»), and (b) what the mother reported feeding her child at 38 months of age («3 years&raquFood Frequency Questionnaire (FFQ), a valid and reliable measure of estimated food and beverage consumption (Rogers and Emmett 1998); The FFQ was used to assess (a) mother's reported dietary patterns at 32 weeks gestation («pregnancy»), and (b) what the mother reported feeding her child at 38 months of age («3 years&raqufood and beverage consumption (Rogers and Emmett 1998); The FFQ was used to assess (a) mother's reported dietary patterns at 32 weeks gestation («pregnancy»), and (b) what the mother reported feeding her child at 38 months of age («3 years»).