At two early visits, participants filled out a 66 -
item food frequency questionnaire, which asked how often, on average, the participants consumed each food item in what portion size over the previous year.
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.
Dietary data were collected with a 145 -
item food -
frequency questionnaire (FFQ), modified for the Australian diet and vernacular from an early Willett
questionnaire (14).
They were also asked to complete a 120 -
item food -
frequency questionnaire to assess dietary change from the beginning to the end of the study.
The
questionnaire asked about their current weekly
frequency of consumption of 43
food groups and
food items.
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).
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.
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.
Participants completed a 145 -
item food -
frequency questionnaire (FFQ) designed for the WHI at baseline.
Participants self - reported their intake of sugar sweetened beverages, including soda and fruit drinks, using
items from the Youth / Adolescent
Food Frequency Questionnaire [51].