Background The decreasing participation rates and selective non-participation peril the
representativeness of health examination surveys (HESs). Methods Finnish HESs …

Abstract Background Health examination surveys (HESs), carried out in Europe since the
1950's, provide valuable information about the general population's health for health …

Aims: In the 1980s, participation rates in health interview and health examination surveys
were around 80% while now they are around 50–60%. There is also evidence that non …

High-participation rates to the health examination surveys are needed to obtain
representative information about population health. This study aimed to examine reasons for …

Background In public health monitoring of young people it is critical to understand the effects
of selective non-response, in particular when a controversial topic is involved like substance …

As one of the subprojects of the second phase of the HMP project" Health surveys in the EU:
HIS and HIS/HES evaluations and models" this study aims to review and evaluate sampling …

Background Declining participation rates are an increasing problem in population surveys.
Different kinds of methods have been used to ensure as high participation rates as possible …

Background: In health surveys, considerable effort and expense are invested to achieve a
high response proportion and thereby to reduce selection bias. We investigated the …

Aims: Declining participation rates are an increasing problem in population surveys.
Different kinds of methods have been used to ensure participation rates as high as possible …

Background Unit non-response occurs in sample surveys when a target subject does not
respond to a survey. Potential implications are decreased power, increased standard error …