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SWS: estimation nutrient intake

Following the process outlined in Estimating nutrient intakes from DATs, where portion sizes were not reported in the FFQs, standard portion sizes were assigned based on children’s portion sizes where appropriate.

Nutrient intakes were then calculated by multiplying the weight of the portion by its nutrient content as obtained from McCance and Widdowson’s the composition of foods 5th edition and its supplements [27, 41, 73, 74].

Explore the cross-study guides

Dietary data

Learn about the dietary measures and estimated nutrient intake information available within and across eight CLOSER partner studies.

Physical activity measures

Explore the measures used to assess diverse aspects of physical activity within and across six CLOSER partner studies.

Cognitive measures data

Explore the measures used to assess diverse aspects of cognition within and across five British birth cohort studies.