| N | OR | 95%CI |
---|
Total samplea | 3394 | 1.531 | [1.358–1.727] |
---|
By areab |
 Hokkaido/Tohoku | 376 | 1.748 | [1.208–2.530] |
 Kanto | 1152 | 1.630 | [1.300–2.043] |
 Chubu | 657 | 1.731 | [1.351–2.217] |
 Kinki | 539 | 1.216 | [0.898–1.647] |
 Chugoku/Shikoku | 307 | 1.366 | [0.916–2.038] |
 Kyusyu | 363 | 1.489 | [1.000–2.216] |
- Significant differences are printed in bold (p < 0.05)
- aOR is from logistic regression analysis adjusted for age, gender, education, household income, marital status, employment status, municipality size, and area
- bOR is from logistic regression analysis adjusted for age, gender, education, household income, marital status, employment status, and municipality size