Victoria M Flood1, Li Min Wen2, Louise L Hardy3, Chris Rissel2, Judy M Simpson3, Louise A Baur3. 1. 1 School of Health Sciences, Faculty of Health and Behavioural Sciences, University of Wollongong, NSW 2455, Australia. 2. 2 Health Promotion Service, Sydney South West Area Health Service, Sydney, Australia. 3. 3 School of Public Health, University of Sydney, Sydney, Australia.
Abstract
OBJECTIVE: A simple FFQ which ranks young children's dietary habits is necessary for population-based monitoring and intervention programmes. The aim of the present study was to determine the reliability and validity of a short FFQ to assess the dietary habits of young children aged 2-5 years. DESIGN: Parents completed a seventeen-item FFQ for their children by telephone on two occasions, two weeks apart. Sixty-four parents also completed 3 d food records for their children. The FFQ included daily servings of fruit and vegetables, frequency of eating lean meat, processed meats, take-away food, snack foods (biscuits, cakes, doughnuts, muesli bars), potato crisps and confectionery, and cups of soft drinks/cordials, juice, milk and water. Weighted kappa and intra-class correlation coefficients were used to assess FFQ reliability and the Bland-Altman method was used to assess validity of the FFQ compared with the 3 d food record. SETTING: Seven pre-school centres in metropolitan Sydney, Australia. SUBJECTS: Seventy-seven children aged 2-5 years. RESULTS: The majority of questions had moderate to good reliability: κ w ranged from 0·37 (lean meat) to 0·85 (take-away food consumption). Validity analysis showed a significant increase in mean values from the food record with increasing ordered categories from the FFQ for servings of vegetables and fruit and cups of drinks (all trend P ≤ 0·01). Spearman rank correlation coefficient was >0·5 for vegetables, fruit, diet soft drinks and fruit juice. CONCLUSIONS: The FFQ provides reliable and moderately valid information about the dietary intakes and habits of children aged 2-5 years, in particular for fruit, vegetables and beverages.
OBJECTIVE: A simple FFQ which ranks young children's dietary habits is necessary for population-based monitoring and intervention programmes. The aim of the present study was to determine the reliability and validity of a short FFQ to assess the dietary habits of young children aged 2-5 years. DESIGN: Parents completed a seventeen-item FFQ for their children by telephone on two occasions, two weeks apart. Sixty-four parents also completed 3 d food records for their children. The FFQ included daily servings of fruit and vegetables, frequency of eating lean meat, processed meats, take-away food, snack foods (biscuits, cakes, doughnuts, muesli bars), potato crisps and confectionery, and cups of soft drinks/cordials, juice, milk and water. Weighted kappa and intra-class correlation coefficients were used to assess FFQ reliability and the Bland-Altman method was used to assess validity of the FFQ compared with the 3 d food record. SETTING: Seven pre-school centres in metropolitan Sydney, Australia. SUBJECTS: Seventy-seven children aged 2-5 years. RESULTS: The majority of questions had moderate to good reliability: κ w ranged from 0·37 (lean meat) to 0·85 (take-away food consumption). Validity analysis showed a significant increase in mean values from the food record with increasing ordered categories from the FFQ for servings of vegetables and fruit and cups of drinks (all trend P ≤ 0·01). Spearman rank correlation coefficient was >0·5 for vegetables, fruit, diet soft drinks and fruit juice. CONCLUSIONS: The FFQ provides reliable and moderately valid information about the dietary intakes and habits of children aged 2-5 years, in particular for fruit, vegetables and beverages.
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