Sampling procedures and how to include institutions

Background information Sampling frames Population registers 45% Census lists 18% Telephone lists, mater frame etc 32% Institutions 27% included institutions No oversample except FR

Sampling procedures Sample size Eurostat allocations Burden for small MS Oversample minorities (migrants, homeless) NUTSII representation ISARE indicators 3 solutions Increase sample size Data matching (LFS) Estimation on small area (UK, FR experiences,stratification needed then) Sol: If age*gender breakdowns then ok with current sample sizes

Sampling procedures Non response How to decrease it Problem Survey mandatory Good rationales Difficult for sensitive variables Problem Accuracy Bias of indicators Study of non response; how ?

Sampling procedures Non response Analysis of NR Via sampling frame Ask MEHM on non-respondents Inclusion of the MEHM in census => Estimation of health status Quality reports from SILC and LFS

Sampling procedures Stand alone survey Weighting procedures EHIS attached to national HIS not new survey Derogation possible? UK example Weighting procedures More precised guidelines Flexibility left to MS but Initial/final weights

Institutions Definition of institution/ institutionalised people Sampling frames Availability Frequent update Access to institution Questionnaire suitable Ex personnal care

Institutions Proxy 50% on average; 75% in elderly homes Which question MH difficult Who The one available! Care takers Pb: too many interviews

Institutions discussion Number of institutions => census? Bias if not taken on board? US analysis DE experience Costly!!!