Table 1 Characteristics of the participants.
Number of participants | 3317 |
Sex | |
Men (n, %) | 1707 (51.5) |
Women (n, %) | 1610 (48.5) |
Median Age, years (quartile, range) | 55 (48–63, 40–75) |
Married (n, %) | 2501 (75.4) |
Region | |
Hokkaido (n, %) | 184 (5.5) |
Tohoku (n, %) | 195 (5.9) |
Kanto (n, %) | 1293 (39.0) |
Chubu (n, %) | 492 (14.8) |
Kinki (n, %) | 688 (20.1) |
Chugoku (n, %) | 134 (4.0) |
Shikoku (n, %) | 90 (2.7) |
Kyushu (n, %) | 241 (7.3) |
