Table 3 Environmental characteristics of various LUs
| Â | LSLU I | LSLU II | LILU | SSLU | SILU | Â | Â |
|---|---|---|---|---|---|---|---|
Total n | 15 | 16 | 48 | 9 | 15 | Test statistics | P-value |
Architecture | Â | Â | Â | Â | Â | Â | Â |
Number of beds, median (range) | 24.0 (16–63) | 30.0 (21–40) | 28.0 (17–55) | 11.0 (9–15) | 12.0 (5–14) | H (4) = 57.26 | <.001 |
Percentage of single rooms, median (range) | 78.8 (14.2-92.0) | 50.0 (0–96.0) | 83.3 (5.8-100.0) | 100.0 (90.9-100) | 100.0 (72.7.-100.0) | H (4) = 48.61 | <.001 |
Built for residents with dementia, n (%) yes | 12 (80.0) | 15 (93.8) | 7 (14.6) | 8 (88.9) | 5 (33.3) | χ2 (4) = 48.42 | <.001 |
Architectural separation from other units,n (%) yes | 11 (73.3) | 13 (81.3) | 28 (58.3) | 5 (55.6) | 14 (93.3) | χ2 (4) = 8.70 | .006 |
Exit control, n (%) yes | 3 (20.0) | 8 (50.0) | 4 (8.3) | 1 (11.1) | 1 (6.7) | χ2 (4) = 16.72 | .002 |
Interior and outdoor area | Â | Â | Â | Â | Â | Â | Â |
Permission to bring own furniture, n (%) yes | 14 (93.3) | 16 (100) | 48 (100) | 9 (100) | 15 (100) | χ2 (4) = 5.92 | .205 |
Furnishing of public rooms, n (%) yes | |||||||
 Solely functional | 3 (20.0) | 2 (12.5) | 6 (12.5) | 2 (22.2) | 0 | χ2 (8) = 6.00 | .6462 |
 Functional and individual | 12 (80.0) | 13 (81.3) | 41 (85.4) | 7 (77.8) | 15 (100) | ||
 Solely individual | 0 | 1 (6.3) | 1 (2.1) | 0 | 0 | ||
Accessible outdoor area, n (%) yes1 | |||||||
 Residents can go out alone | 10 (66.7) | 13 (81.3) | 40 (85.1) | 6 (66.7) | 13 (86.7) | χ2 (8) = 8.03 | .4312 |
 Residents can go out with attendance | 3 (20.0) | 3 (18.8) | 5 (10.6) | 1 (11.1) | 1 (6.7) | ||
 No outdoor area | 2 (13.3) | 0 | 2 (4.3) | 2 (22.2) | 1 (6.7) | ||
Meal provision | Â | Â | Â | Â | Â | Â | Â |
Preparation of meals in the LU, n (%) yes | 11 (73.3) | 14 (87.5) | 31 (64.5) | 7 (77.8) | 15 (100) | χ2 (4) = 9.32 | .053 |
Cooking lunch, n (%) yes3 | 5 (45.5) | 2 (14.3) | 6 (12.5) | 3 (33.3) | 12 (80.0) | χ2 (4) = 19.79 | .001 |
Meal serving system, n (%) yes | Â | Â | Â | Â | Â | Â | Â |
 Tray system | 0 | 0 | 2 (4.2) | 0 | 0 | χ2 (12) = 24.44 | .0182 |
 Dish system | 2 (13.3) | 7 (43.8) | 16 (33.3) | 3 (33.3) | 2 (13.3) | ||
 Buffett system | 0 | 0 | 0 | 0 | 0 | ||
 Homelike table system | 4 (26.7) | 2 (12.5) | 4 (8.3) | 2 (22.2) | 9 (60.0) | ||
 Mixed system | 9 (60.0) | 7 (43.8) | 26 (54.2) | 4 (44.4) | 4 (26.7) | ||