Demographic information collected at baseline will include height, weight, socioeconomic data (highest level of education completed, health insurance status, employment status, occupation), history of lower limb arthritis and joint surgery and the 19-item Hospital for Special Surgery Knee Replacement Expectations Survey [ 37, 38].
Examples that are currently unavailable from cancer registry data include level of education and comorbidity.
Socioeconomic and demographic data (income, level of education, employment, immigration, etc).
Based on the data concerning level of education there is reason to believe that socio-economic class is of influence.
Parent data on level of education and on drinking and smoking behavior were used to compare the groups of twin pairs on these common environment influences.
Sociodemographic data included level of education, main employment status, contact to children, living alone and the need of weekly assistance at home.
Demyttenaere et al showed that age, duration of infertility, and numbers of previous IVF attempts are factors affecting BDI score, but there was no data about level of education [ 24].
The baseline assessment will include age, parity, brief socio-demographic data, highest level of education achieved, knowledge and anxiety as assessed by the state component of the short Spielberger anxiety scale[ 42].
An area-based socio-economic index, calculated from the 2001 census data (including level of education, occupation, dwelling ownership, family size, and people/room density) was only available for residents of Rome.
The baseline assessment will include age, brief socio-demographic data, highest level of education achieved, anxiety as assessed by the state component of the short Spielberger anxiety scale [ 30], and information sources about labour analgesia.
