Table 1.

Eligibility and outline of methods for PODOSA

Eligibility	Exclusion criteria	Methods
Pakistani/Indian origin	Current steroid medication	Participants are screened by an oral glucose tolerance test to identify those with impaired glucose tolerance (IGT) and/or impaired fasting glycaemia (IFG)
Living in Edinburgh or Glasgow areas	Pregnancy	Recruits with IGT/IFG plus any family volunteers are randomised into two groups, one group having 15 dietitian contacts, the other 4 contacts, over 3 years
Age ≥ 35 years	Expectation of emigration, or a medical condition indicating adherence to the study intervention would be unlikely	Dietitians visit the participating families in their homes, to provide advice and motivational support in relation to losing weight and increasing physical activity
Waist ≥ 90 cm (35in) for men and ≥ 80 cm (31in) for women