Table 3 Measures

1. Questionnaires

   a. Sociodemographics: age, ethnicity, sex.

   b. Detailed initial medical history; abbreviated interval history focused on eligibility criteria, CVD, smoking status and diabetes mellitus. Inter-current processes: diseases, level of care they have received, start and end of the process.

   c. Concomitant medications:

   d. Quality of life and food assessment through SF questionnaire 36 validated in Spain by Alonso [24]

   e. Dietary survey, 3 day record, (quantitative and qualitative) at the beginning and end of the study [25].

   f. Questionnaire drafted specifically for this study, described in table 4.

2. Physical examination measures

   a. Anthropometric measurements: standing height in centimetres (cm), weight in kg, waist circumference

   b. BP and pulse

3. Laboratory measures

   a. Fasting serum glucose

   b. Fasting lipid panel (Total Cholesterol, HDL-Cholesterol, LDL- Cholesterol)