Variable | Instrument | Time point | ||||
---|---|---|---|---|---|---|
Self-reported | Â | Baseline | Mid intervention | End intervention | 6Â month | 12Â month |
Diet intake | Food Frequency Questionnaire (FFQ), 3- day food diary | X | X | X | X | X |
Diet compliance | PREDIMED checklist (low fat or MD) | X | X | X | X | X |
Physical activity | Active Australia Questionnaire | X | X | X | X | X |
Quality of life | SF-36 | X | X | X | X | X |
Medications and supplements | Self-report | X | X | X | X | X |
Smoking status | Self-report | X | Â | Â | Â | Â |
Ethnicity | Self-report | X | Â | Â | Â | Â |
Medical history | Self-report and clinical records | X | X | X | X | X |
Anthropometric and clinical | ||||||
Weight, height, waist and hip circumference, neck girth | Â | X | X | X | X | X |
Blood pressure | Â | X | X | X | X | X |
Whole body composition | Bioelectrical Impedance Analysis (BIA), DXA (subgroup) | X | X (NO DXA) | X | X (NO DXA) | X |
Intrahepatic lipids | MR-S | X | Â | X | Â | X |
Liver fibrosis | Fibroscan | X | Â | X | Â | X |
Pathology | ||||||
 | Venous blood sample (fasting) | X | X | X | X | X |
 | First morning urine sample | X | X | X | X | X |
 | Buccal swab | X |  |  |  |  |