Background: The 12-item Health Survey (SF-12) was developed as a shorter alternative to the SF-36 for use in large-scale studies, particularly when overall physical and mental health are the outcomes of interest instead of the typical eight-scale profile. The main purpose of this study was to assess the validity of the Greek version of the SF-12.
The main objective of this study was to validate the Greek SF-36 Health Survey and to provide general population normative data. The survey was administered to a stratified representative sample (n = 1426) of the general population residing in the broader Athens area and the response rate was 70.6%. Statistical analysis, according to documented procedures developed within the IQOLA Project, was performed. The missing value rate was very low, ranging from 0.1 to 1.3% at the item level. Multitrait scaling analysis confirmed the hypothesized scale structure of the SF-36. Cronbach's alpha coefficient met the criterion (>0.70) for group analysis in all eight scales. Known group comparisons yielded consistent support of construct validity of the SF-36. Significant statistical differences in mean scores were observed in relation to demographic and social characteristics such as gender, age, education and marital status.
The results provide initial support for the construct validity of the EQ-5D in Greece, and, in conjunction to future studies addressing test-retest reliability and responsiveness, they support administering the instrument in health status studies, which in turn can contribute to transnational comparisons.
The analysis presented here gives evidence of a relationship existing between SES and HRQoL similar to what has been found elsewhere. In order to protect people from the damaging effects of poverty in health it is important to formulate health promotion educational programs or to direct policies to empower the disposable income etc. Helping people in disadvantaged SES to achieve the good health that people in more advantaged SES attained would help to prevent the widening of health inequalities.
Background: Given the public-private mix of the Greek health system, the purpose of this study was to assess whether variations in the utilisation of health services, both primary and inpatient care, were associated with underlying health care needs and/or various socio-economic factors.
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