Table 2.
Sociodemographic characteristics, dietary inflammatory index (DII) score(17) and overall disability/disability in each component of competence measured by the Tokyo Metropolitan Institute of Gerontology Index of Competence (TMIG-IC)(6) (n 1642)
| Mean | sd | |
|---|---|---|
| Age (years) | 75·6 | 7·4 |
| BMI (kg/m2) | 22·8 | 3·3 |
| DII score | −0·24 | 1·50 |
| n | % | |
| Sex | ||
| Male | 712 | 43 |
| Female | 930 | 57 |
| TMIG-IC score (overall) | ||
| Healthy | 604 | 37 |
| Incompetent | 1038 | 63 |
| TMIG-IC score (IADL) | ||
| Healthy | 1135 | 69 |
| Disabled | 507 | 31 |
| TMIG-IC score (intellectual activity) | ||
| Healthy | 992 | 60 |
| Disabled | 650 | 40 |
| TMIG-IC score (social participation) | ||
| Healthy | 858 | 52 |
| Disabled | 784 | 48 |
| Area of residence | ||
| Katsuura-shi, Chiba prefecture | 289 | 18 |
| Minamiawaji-shi, Hyogo prefecture | 287 | 18 |
| Nagasaki-shi, Nagasaki prefecture | 326 | 20 |
| Oga-shi, Akita prefecture | 350 | 21 |
| Takahashi-shi, Okayama prefecture | 390 | 24 |
| Living alone | ||
| No | 1342 | 82 |
| Yes | 300 | 18 |
| Education | ||
| ≤ 9 years | 694 | 42 |
| ≥ 10 years | 948 | 58 |
| Subjective economic status | ||
| Constrained | 582 | 35 |
| Normal or good | 1060 | 65 |
| Frequency of shopping | ||
| 1–2 times per week or less | 986 | 60 |
| 3–6 times per week or more | 656 | 40 |
IADL, instrumental activities of daily living.