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People with developmental disorders (DD) often display high levels of selective eating, which can result in micronutrient deficiencies. It is therefore essential to explore ways to increase dietary variety in this population. To identify different types of interventions promoting increased acceptance of new foods or dietary variety for DD populations and to determine their effectiveness. Thirty-six studies met criteria for inclusion in the review. Twenty-two types of intervention were identified with 34 studies being reported as effective and 33 of these incorporating components drawn from learning theory. Multicomponent interventions centred on operant conditioning, systematic desensitisation and changes to environment and familial practices were reported as effective for individuals.

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Children's vegetable consumption is generally below national recommendations in the UK. This study examined predictors of vegetable intake by children aged 1.5-18 years using counts and portion sizes derived from four-day UK National Diet and Nutrition Survey food diaries. Data from 6,548 children were examined using linear and logit multilevel models.