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Definition |
The centered percentile score for each food parameter for each individual was then multiplied by the respective food parameter effect score (inflammatory potential for each food parameter), which was derived through a review of the literature, in order to obtain a food parameter-specific DII score for an individual. The overall DII score was calculated, for each participant, as a linear combination of all of the food parameter-specific DII scores,12 as follows: DII=b1×n1 + b2×n2……….b31×n31, where b refers to the literature-derived inflammatory effects score for each of the evaluable food parameters and n refers to the food parameter-specific centered percentiles, which were derived from the current case–control study dietary data. A description of the validation work, including both dietary recalls and a structured questionnaire similar to a FFQ, also is available.11 The methodology is depicted in Supporting Information Appendix.
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