55.6 and 62.5 years, mean BMI and waist were 29.7 kg/m2 and 97.7 cm (29.4 kg/m2 and 102.7 cm in men, 30.1 kg/m2 and 92.8 cm in women), respectively (table 2). A total of 30.8% of all InterAct cases reported a positive family history of diabetes (26.3% of men, 35.3% of women), excluding centres which did not obtain this information (table 2).