Table 2 Characteristics of the target population for each two-year period from 2009 to 2018.
Year | 2009–2010 | 2011–2012 | 2013–2014 | 2015–2016 | 2017–2018 |
---|---|---|---|---|---|
Number of target residents | 17,110 | 16,546 | 16,269 | 16,049 | 15,137 |
Age, median (IQR*) | 58 (49–65) | 58 (50–65) | 59 (49–65) | 59 (49–66) | 60 (50–67) |
Residence, n (%) | |||||
Haramachi ward | 11,270 (65.9) | 11,025 (66.6) | 10,845 (66.7) | 10,783 (67.2) | 10,384 (68.6) |
Kashima ward | 2757 (16.1) | 2631 (15.9) | 2601 (16.0) | 2611 (16.3) | 2508 (16.6) |
Odaka ward | 3083 (18.0) | 2890 (17.5) | 2823 (17.4) | 2655 (16.5) | 2245 (14.8) |
Household, n (%) | |||||
Alone | 1271 (7.4) | 1303 (7.9) | 1363 (8.4) | 1401 (8.7) | 1411 (9.3) |
Evacuation status, n (%) | |||||
Evacuation | Not applicable | 9157 (55.3) | 6380 (39.2) | 5879 (36.6) | 5115 (33.8) |
Uptake of the screening, n (%) | |||||
Participants | 3649 (21.3) | 1558 (9.4) | 2816 (17.3) | 3273 (20.4) | 3235 (21.4) |