Collection of dietary data from children with cystic fibrosis: some problems and practicalities

The literature on the collection of dietary data is both extensive and confusing. Few practical details are given, particularly for the clinical situation, which are useful to the novice. In response to this, and calls from various authors, the basis for deciding on methods for collecting dietary data from a group of patients in the clinical setting is illustrated here. Practical aspects of data collection and analysis are detailed.