2.1. Study design
This study is a substudy of the Retirement Health and Lifestyle
Study (RHLS), a cross-sectional study of the health and lifestyle of
older Australians (65 years and older) residing in retirement villages
or within the community in the Central Coast region of New South
Wales (NSW), Australia. Demographic, sociodemographic, dietary,
smoking, physical activity, medications and supplements data,
together with the results of laboratory evaluations of blood samples
collected from RHLS participants, were used for the current analyses