Table 2.
One‐year prevalent users of antipsychotics according to dementia status and the characteristics of the study participants
| Participants With Probable Dementia | Antidementia Drug Users | Participants With Probable Dementia With LTC Certification Data Available | Participants Without Probable Dementia | All Participants | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| n = 4865 | n = 1506 | n = 4419 | n = 21 054 | N = 25 919 | ||||||
| n | % | n | % | n | % | n | % | n | % | |
| All | 520/4865 | 10.7 | 247/1506 | 16.4 | 478/4419 | 10.8 | 452/21 054 | 2.1 | 972/25,919 | 3.8 |
| Age, years | ||||||||||
| 72‐76a | 71/580 | 12.2 | 33/196 | 16.8 | 59/486 | 12.1 | 148/7232 | 2.0 | 219/7812 | 2.8 |
| 77‐81 | 149/1198 | 12.4 | 72/475 | 15.2 | 138/1015 | 13.6 | 196/8449 | 2.3 | 345/9647 | 3.6 |
| 82‐86 | 154/1394 | 11.1 | 87/488 | 17.8 | 141/1272 | 11.1 | 76/3900 | 1.9 | 230/5294 | 4.3 |
| 87‐91 | 106/1117 | 9.5 | 47/278 | 16.9 | 102/1076 | 9.5 | 30/1211 | 2.5 | 136/2328 | 5.8 |
| ≥92 | 40/576 | 6.9 | 8/69 | 11.6 | 38/570 | 6.7 | 2/262 | 0.8 | 42/838 | 5.0 |
| Sex | ||||||||||
| Male | 133/1400 | 9.5 | 68/459 | 14.8 | 119/1209 | 9.8 | 139/9284 | 1.5 | 272/10 684 | 2.6 |
| Female | 387/3465 | 11.2 | 179/1047 | 17.1 | 359/3210 | 11.2 | 313/11 770 | 2.7 | 700/15 235 | 4.6 |
| LTC needs certification | ||||||||||
| No | 42/446 | 9.4 | 42/446 | 9.4 | NA | NA | 403/19 367 | 2.1 | 445/19 813 | 2.3 |
| Yes | 478/4,419 | 10.8 | 205/1,060 | 19.3 | NA | NA | 49/1687 | 2.9 | 527/6106 | 8.6 |
| By type of antipsychotics | ||||||||||
| Atypical | 227/4865 | 4.7 | 120/1506 | 8.0 | 207/4419 | 4.7 | 72/21 054 | 0.3 | 299/25 919 | 1.2 |
| Typical | 243/4865 | 5.0 | 101/1506 | 6.7 | 225/4419 | 5.1 | 354/21 054 | 1.7 | 597/25 919 | 2.3 |
| Bothb | 50/4865 | 1.0 | 26/1506 | 1.7 | 46/4419 | 1.1 | 26/21 054 | 0.1 | 76/25 919 | 0.3 |
Abbreviation: LTC, long‐term care.
a
People <75 were included only if eligible for the Late Elders' Health Insurance system.
b
Concurrent or sequential use during the study period.