•454 initially identified Eligible sample 100%
•
•428 completed interview Responding sample 94%
•
•412 completed diet record Diary sample 91%
•
•290 provided blood sample 64%
•
•310 provided a urine sample 68%
•
•Some weighting
for disproportionate sampling of sex, age,
•over-representation
of people living alone and regional
•variations