The main questionnaire was completed by 57,496 participants. Data from the insert alone were available from an additional 7,993 participants. Participants were recruited from throughout the UK, with 85% from England, 10% from Scotland, 4% from Wales and 1% from Northern Ireland. The cohort is made up of 23% men and 77% women. 53% of the men are meat-eaters, 12% are fish-eaters, 28% are vegetarians and 7% are vegans. 51% of the women are meat-eaters, 17% are fish-eaters, 39% are vegetarians and 3% are vegans.

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