Can encouraging respondents to contact interviewers to make appointments boost co-operation rates and save costs? Evidence from a randomised experiment in the UK
OP38 A nationally representative study exploring the relationship between sleep and obesity in the United Kingdom -conference paper abstract-
OP94 Bias in consent to health data linkage: evidence from a UK cross-sectional survey -conference paper abstract-
Propensity to consent to data linkage: experimental evidence from the Innovation Panel on the role of three survey design features