Table 1.
General characteristics of the study population included in the glycaemic index FFQ (GI-FFQ) validation study 1.
| All (n = 475) | Men (n = 263) | Women (n = 212) | |
|---|---|---|---|
| Age, years | 55 ± 11 | 57 ± 10 | 53 ± 11 |
| Men, n (%) | 263 (55) | 263 (100) | 0 (0) |
| BMI, kg/m2 | 25.5 ± 3.7 | 25.9 ± 3.4 | 25.2 ± 4.0 |
| BMI-category | |||
| <25 kg/m2 | 231 (49) | 114 (43) | 117 (55) |
| ≥25 kg/m2 | 244 (51) | 149 (57) | 95 (45) |
| Waist circumference, cm | 90.7 ± 11.9 | 95.1 ± 10.4 | 85.2 ± 11.3 |
| Education, n (%) | |||
| Low | 28 (6) | 16 (6) | 12 (6) |
| Medium | 132 (28) | 65 (25) | 67 (31) |
| High | 314 (66) | 182 (69) | 132 (63) |
| Smoking status, n (%) | |||
| Never | 231 (52) | 114 (46) | 117 (60) |
| Former | 179 (40) | 111 (45) | 68 (35) |
| Current | 35 (8) | 24 (9) | 11 (5) |
| Diabetes, n (%) | 12 (3) | 8 (3) | 4 (2) |
| Diet during past month, n (%) | 31 (7) | 14 (5) | 17 (8) |
1 Missing values: smoking (n = 30), education (n = 1), diet (n = 1). BMI: body mass index.