Table 3.
Baseline characteristics of participants* according to score on Japanese food guide. Figures are means (SD) unless stated otherwise (lower score=lower adherence=lower quality diet)
| Fourths of score | ||||
|---|---|---|---|---|
| 1 (n=20 851) | 2 (n=17 708) | 3 (n=21 886) | 4 (n=19 149) | |
| Score (point) | 34.2 (4.9) | 44.1 (2.0) | 51.5 (2.3) | 60.3 (3.3) |
| Age (years) | 50.4 (7.7) | 51.0 (7.8) | 51.2 (7.7) | 51.5 (7.5) |
| Men (%)† | 84.0 | 57.4 | 31.9 | 10.2 |
| Mean (SE) BMI† | 23.5 (0.02) | 23.5 (0.02) | 23.5 (0.02) | 23.4 (0.02) |
| Mean (SE) total physical activity (metabolic equivalents h/day)† | 33.3 (0.05) | 33.1 (0.05) | 32.9 (0.05) | 33.0 (0.05) |
| Current smoker (%)‡ | 24.3 | 18.3 | 14.9 | 10.5 |
| Alcohol consumption (≥1 day/week, %)‡ | 53.4 | 33.9 | 25.9 | 22.7 |
| History of hypertension (%)‡ | 17.6 | 16.3 | 16.0 | 15.6 |
| History of diabetes (%)‡ | 5.6 | 5.8 | 5.8 | 5.2 |
| History of dyslipidaemia (%)‡ | 3.8 | 4.4 | 4.9 | 5.5 |
| Mean (SE) energy intake (kcal/d)‡ | 1872 (4.4) | 1964 (4.4) | 2047 (4.0) | 2144 (4.5) |
| Coffee consumption (≥1 cups/day, %)‡ | 35.1 | 36.7 | 36.6 | 33.4 |
| Green tea consumption (≥1 cups/day, %)‡ | 48.4 | 56.2 | 62.2 | 69.6 |
| Occupation (agriculture, forestry, fishery, %)‡ | 15.2 | 16.5 | 17.4 | 18.3 |
*Participants with missing data excluded: 1300 for BMI; 11 290 for total physical activity; 2441 for smoking status; 686 for alcohol consumption; 1553 for coffee consumption; 1405 for green tea consumption; 1976 for occupation.
†Age adjusted.
‡Adjusted for age and sex.