The baseline AusDiab study was conducted in 1999-2000 (baseline) and 2005 (follow-up) to determine the prevalence of diabetes, obesity and other risk factors including hypertension and dyslipidaemia.The baseline AusDiab study was conducted in 1999-2000 (baseline) and 2005 (follow-up) to determine the prevalence of diabetes, obesity and other risk factors including hypertension and dyslipidaemia.