Development of a dish-based food frequency questionnaire for Iranian population.

Food frequency questionnaires (FFQs) are widely used in large studies worldwide. They usually seek to rank people according to their usual food intake rather than a specific period of time. In the present study, we aimed to develop a dish-based, semi-quantitative FFQ to seek habitual diet of general population aged 9 to 65 years in Tehran.

Correction to: Validity and reliability of a dish-based semi-quantitative food frequency questionnaire for assessment of energy and nutrient intake among Iranian adults.

An amendment to this paper has been published and can be accessed via the original article.

Validity and reliability of a dish-based semi-quantitative food frequency questionnaire for assessment of energy and nutrient intake among Iranian adults.

Objective: This study aimed to assess the validity and reliability of a dish-based, semi-quantitative food frequency questionnaire (DFFQ) for epidemiological studies in Iran. The DFFQ included 142 items (84 foods and 58 mixed dishes) which was filled in by 230 adults (110 men). All participants completed two separate DFFQs with a 6 months interval as well as six 24-h recalls, each month.

Nutritional assessment for primary school children in tehran: an evaluation of dietary pattern with emphasis on snacks and meals consumption.

Background: In order to provide better advice for prevention of obesity and eating disorders among children, there is a need to have more knowledge of their dietary patterns. This study examined meal and snacking patterns of primary school children in Tehran.

Methods: A total of 761 male and female primary school children from all educational areas in Tehran were recruited in a cross-sectional survey.

Nutritional status of the Iranian children with physical disability: a cross-sectional study.

Background: Malnutrition can potentially prone a disabled child to further morbidities thus imposing further suffering to the affected child and his/her family. This is the first report on the nutritional status of physically disabled children from Iran.

Methods: A total of 290 physically disabled children aged 6-12 years old, of both sexes, and from all specialized schools in Tehran, Meshed and Rasht were enrolled in a descriptive cross-sectional study.