|  | Unweighted | Weighted |  | Health literacy | ||
---|---|---|---|---|---|---|---|
 |  | N | % | % |  | Mean | 95%CI |
Sociodemographic characteristics | |||||||
Age | 20–39 | 692 | 19.7 | 23.9 |  | 3.52 | [3.46–3.57] |
 | 40–54 | 969 | 27.6 | 26.8 |  | 3.61 | [3.57–3.65] |
 | 55–69 | 996 | 28.4 | 23.9 |  | 3.51 | [3.47–3.56] |
 | 70- | 854 | 24.3 | 25.4 |  | 3.17 | [3.10–3.24] |
 | Mean age [95%CI] |  |  | 54.3 [53.6–55.1] |  |  |  |
Gender | Male | 1599 | 45.5 | 49.3 |  | 3.46 | [3.42–3.50] |
 | Female | 1912 | 54.5 | 50.7 |  | 3.45 | [3.40–3.49] |
Educational attainment | Junior high school | 282 | 8.0 | 8.8 |  | 2.86 | [2.73–2.99] |
 | High school | 1368 | 39.0 | 38.6 |  | 3.39 | [3.34–3.43] |
 | Vocational school/2-year college | 819 | 23.3 | 21.9 |  | 3.54 | [3.49–3.58] |
 | University and above | 1031 | 29.4 | 30.4 |  | 3.64 | [3.60–3.68] |
 | missing | 11 | 0.3 | 0.3 |  |  |  |
Household income (yen) | Less than 2 million | 326 | 9.3 | 9.7 |  | 3.11 | [2.98–3.23] |
 | 2–4 million | 948 | 27.0 | 26.4 |  | 3.38 | [3.33–3.44] |
 | 4–6 million | 777 | 22.1 | 21.8 |  | 3.48 | [3.42–3.53] |
 | 6–8 million | 571 | 16.3 | 16.3 |  | 3.54 | [3.49–3.60] |
 | 8–10 million | 366 | 10.4 | 10.7 |  | 3.58 | [3.50–3.66] |
 | More than 10 million | 423 | 12.0 | 12.1 |  | 3.67 | [3.60–3.74] |
 | missing | 100 | 2.8 | 3.0 |  |  |  |
Marital status | Married | 2456 | 70.0 | 66.9 |  | 3.49 | [3.46–3.52] |
 | Never married | 597 | 17.0 | 19.4 |  | 3.50 | [3.44–3.56] |
 | Divorced | 242 | 6.9 | 8.1 |  | 3.09 | [2.94–3.24] |
 | Widowed | 205 | 5.8 | 5.4 |  | 3.37 | [3.26–3.47] |
 | missing | 11 | 0.3 | 0.3 |  |  |  |
Employment status | Employed (Managerial and professional) | 800 | 22.8 | 23.2 |  | 3.67 | [3.63–3.72] |
 | Employed (other) | 1424 | 40.6 | 40.2 |  | 3.48 | [3.44–3.52] |
 | Not employed (homemaker/ student/ unemployed/ retired) | 1281 | 36.5 | 36.6 |  | 3.28 | [3.23–3.34] |
 | missing | 6 | 0.2 |  |  |  |  |
Geographic characteristics | |||||||
Area | Hokkaido/Tohoku area | 394 | 11.2 | 11.6 |  | 3.41 | [3.29–3.54] |
 | Kanto area | 1,187 | 33.8 | 33.3 |  | 3.52 | [3.47–3.56] |
 | Chubu area | 686 | 19.5 | 18.4 |  | 3.37 | [3.31–3.42] |
 | Kinki area | 552 | 15.7 | 16.2 |  | 3.47 | [3.41–3.54] |
 | Chugoku/Shikoku area | 318 | 9.1 | 9.2 |  | 3.40 | [3.33–3.48] |
 | Kyusyu area | 374 | 10.7 | 11.3 |  | 3.45 | [3.35–3.56] |
Municipality size | 21 major cities | 1020 | 29.1 | 28.8 |  | 3.54 | [3.48–3.59] |
 | Other large cities | 819 | 23.3 | 23.0 |  | 3.45 | [3.38–3.51] |
 | Smaller cities | 1375 | 39.2 | 40.0 |  | 3.42 | [3.37–3.46] |
 | Towns and villages | 297 | 8.5 | 8.3 |  | 3.34 | [3.24–3.44] |
Self-rated health | Excellent | 114 | 3.2 | 3.7 |  | 3.78 | [3.63–3.93] |
 | Very good | 577 | 16.4 | 16.8 |  | 3.71 | [3.65–3.77] |
 | Good | 1990 | 56.7 | 55.6 |  | 3.47 | [3.44–3.51] |
 | Fair | 745 | 21.2 | 21.2 |  | 3.21 | [3.14–3.28] |
 | Poor | 82 | 2.3 | 2.5 |  | 2.92 | [2.64–3.19] |
 | missing | 3 | 0.1 | 0.1 |  |  |  |