Table 1.
Target variables for participants with and without dementia in the intervention and control groups at baseline and follow-up after 6 months
| Variable | Baseline
|
Follow-up
|
||
|---|---|---|---|---|
| Intervention | Control | Intervention | Control | |
| PCR, mean (SD) | 85.7 (18.0)a | 85.0 (21.9) | 70.1 (26.1)a | 87.9 (15.8) |
| Dementia | 89.8 (11.9)b | 84.1 (23.7) | 77.0 (24.6)b | 89.1 (14.7) |
| Non-dementia | 81.6 (21.9)c | 87.3 (17.3) | 63.2 (26.1)c | 83.9 (19.6) |
| GBI, mean (SD) | 49.3 (26.6) | 55.8 (30.4) | 40.2 (29.3) | 51.3 (28.3) |
| Dementia | 51.2 (25.5) | 57.0 (30.0) | 44.6 (30.1) | 51.5 (28.1) |
| Non-dementia | 47.4 (27.9) | 52.8 (32.2) | 35.8 (28.2) | 50.4 (30.7) |
| DHI, mean (SD) | 84.5 (15.4)a | 82.5 (15.5) | 57.8 (27.9)a | 77.6 (22.6) |
| Dementia | 86.3 (15.6)a | 84.3 (13.6) | 52.6 (30.3)a | 79.2 (21.9) |
| Non-dementia | 82.2 (15.0)a | 76.3 (20.4) | 63.4 (24.2)a | 70.6 (25.8) |
| CPITN, mean (SD) | 3.0 (0.7) | 2.8 (0.7) | 2.9 (0.6) | 2.8 (0.8) |
| Dementia | 3.3 (0.6) | 2.8 (0.8) | 3.1 (0.6) | 2.8 (0.9) |
| Non-dementia | 2.8 (0.6) | 2.7 (0.6) | 2.8 (0.6) | 2.7 (0.7) |
| Number of teeth, mean (SD) | 7.4 (8.6) | 6.4 (8.1) | 7.0 (8.6) | 5.8 (8.1) |
| Dementia | 6.3 (8.0) | 6.2 (8.5) | 6.2 (7.9) | 5.9 (7.9) |
| Non-dementia | 8.9 (9.1) | 7.1 (7.1)a | 8.1 (8.4) | 5.3 (6.8)a |
Notes: Unpaired t-test:
a
P<0.001,
b
P=0.002,
c
P=0.001.
Abbreviations: PCR, Plaque Control Record; GBI, Gingival Bleeding Index; CPITN, Community Periodontal Index of Treatment Needs; DHI, Denture Hygiene Index.