Introduction
Data and method
Data and variables
Method
Results
Descriptive analysis
Patient with dementia | Patient without dementia | |
---|---|---|
Discharged to a care institution | 16.22% | 1.06% |
Admitted due to injury | 13.06% | 4.42% |
Long hospital stay (> 7 days) | 47.31% | 21.63% |
Live alone prior to admission | 2.84% | 2.56% |
Admitted from a private residence | 85.70% | 96.39% |
Number of stays (n) | 5358 | 74,615 |
Receive home care | 32.82% | 9.46% |
Female | 64.90% | 55.85% |
Age at first admission (mean) | 83.09 | 76.30 |
IoRN score | ||
Low independence | 4.52% | 1.55% |
High independence | 4.07% | 4.11% |
Missing code | 20.07% | 13.90% |
Not applicable | 71.34% | 80.44% |
CCI | ||
Worst health | 14.31% | 7.92% |
2 | 19.23% | 11.52% |
3 | 42.88% | 15.99% |
Best health | 23.58% | 64.57% |
SIMD | ||
Most deprived | 15.74% | 14.94% |
2 | 24.40% | 22.91% |
3 | 16.27% | 18.90% |
4 | 16.92% | 16.29% |
Least deprived | 26.68% | 26.29% |
LA | ||
City of Edinburgh | 48.50% | 36.84% |
Clackmannanshire | 2.67% | 4.16% |
South Ayrshire | 16.23% | 15.89% |
South Lanarkshire | 27.20% | 34.74% |
Stirling | 5.40% | 8.36% |
Number of patients (N) | 3074 | 40,674 |
Mediation effects
Injury (vs. non-injury) | Long (vs. short) stay | |||
---|---|---|---|---|
Coeff. | SE | Coeff. | SE | |
Dementia patient | 0.97*** | (0.07) | 0.41*** | (0.05) |
Receive home care in 2010 | − 0.00 | (0.07) | 0.73*** | (0.04) |
Living alone prior to admission | 1.13*** | (0.10) | 0.75*** | (0.06) |
Admitted from private residence | − 0.95*** | (0.08) | − 0.79*** | (0.05) |
Female | 0.68*** | (0.05) | 0.15*** | (0.03) |
Agea | ||||
75–84 | 0.48*** | (0.06) | 0.64*** | (0.03) |
85 or over | 1.13*** | (0.07) | 1.25*** | (0.04) |
IORN scorea | ||||
A–D | 0.11 | (0.17) | − 0.42*** | (0.10) |
0 | − 0.09 | (0.15) | − 0.36*** | (0.09) |
Missing | − 0.66*** | (0.14) | − 1.06*** | (0.09) |
SIMDa | ||||
2 | − 0.01 | (0.08) | 0.03 | (0.04) |
3 | 0.02 | (0.08) | − 0.02 | (0.04) |
4 | − 0.04 | (0.08) | − 0.07 | (0.05) |
Least deprived | 0.00 | (0.07) | − 0.15** | (0.04) |
CCIa | ||||
2 | − 0.58*** | (0.04) | ||
3 | − 0.60*** | (0.04) | ||
least severe | − 1.92*** | (0.04) | ||
LAa | ||||
Clackmannanshire | − 0.42*** | (0.13) | 0.01 | (0.07) |
South Ayrshire | − 0.42*** | (0.07) | − 0.61*** | (0.04) |
South Lanarkshire | − 0.62*** | (0.06) | − 0.16*** | (0.03) |
Stirling | − 0.36*** | (0.09) | − 0.12* | (0.05) |
Constant | − 3.37*** | (0.20) | 0.51*** | (0.04) |
\(\sigma _u\)
| 1.82*** | (0.07) | 1.29*** | (0.02) |
Model I | Model II | Model III | ||||
---|---|---|---|---|---|---|
Coeff. | SE | Coeff. | SE | Coeff. | SE | |
Dementia patient | 4.95*** | (0.13) | 2.86*** | (0.12) | 2.80*** | (0.12) |
Receive home care in 2010 | 0.80*** | (0.11) | 0.57*** | (0.11) | ||
Living alone prior to admission | 1.12*** | (0.22) | 0.93*** | (0.22) | ||
Admitted from private residence | − 2.72*** | (0.10) | − 2.67*** | (0.10) | ||
Female | 0.23** | (0.08) | 0.17 | (0.09) | ||
Agea | ||||||
75–84 | 0.88*** | (0.11) | 0.75*** | (0.12) | ||
85 or over | 2.15*** | (0.13) | 1.91*** | (0.13) | ||
IORNa | ||||||
A–D | − 1.00* | (0.46) | − 0.95* | (0.46) | ||
0 | 0.08 | (0.33) | 0.07 | (0.34) | ||
Missing | 1.77*** | (0.32) | 1.90*** | (0.32) | ||
CCIa | ||||||
2 | 0.04 | (0.13) | 0.10 | (0.13) | ||
3 | 0.21 | (0.12) | 0.27* | (0.12) | ||
Least severe | − 0.45*** | (0.12) | − 0.18 | (0.12) | ||
SIMDa | ||||||
2 | 0.04 | (0.14) | 0.05 | (0.14) | ||
3 | − 0.18 | (0.15) | − 0.18 | (0.15) | ||
4 | 0.13 | (0.15) | 0.16 | (0.15) | ||
Least deprived | 0.20 | (0.13) | 0.22 | (0.13) | ||
LAa | ||||||
Clackmannanshire | − 1.12*** | (0.30) | − 1.16*** | (0.31) | ||
South Ayrshire | − 0.38*** | (0.12) | − 0.23 | (0.12) | ||
South Lanarkshire | − 0.97*** | (0.11) | − 0.95*** | (0.11) | ||
Stirling | − 1.39*** | (0.20) | − 1.32*** | (0.21) | ||
Admission due to injury | 0.70*** | (0.11) | ||||
Long hospital stay | 1.30*** | (0.08) | ||||
Constant | − 8.16*** | (0.15) | − 6.17*** | (0.41) | − 6.93*** | (0.42) |
\(\sigma _u\)
| 3.09*** | (0.08) | 2.15*** | (0.09) | 2.16*** | (0.10) |
AIC | 12,763 | 11,083 | 10,753 | |||
BIC | 12,791 | 11,297 | 10,984 |
The influence of home care
Model IV | Model V | ||||
---|---|---|---|---|---|
Coeff. | SE | Coeff. | SE | ||
Dementia patient | 3.34*** | (0.14) | 3.26*** | (0.14) | |
Receive home care in 2010 | 1.57*** | (0.13) | 1.31*** | (0.14) | |
Living alone prior to admission | 1.08*** | (0.21) | 0.90*** | (0.22) | |
Admitted from private residence | − 2.67*** | (0.10) | − 2.62*** | (0.10) | |
Female | 0.22** | (0.08) | 0.16 | (0.09) | |
Agea | |||||
75–84 | 0.81*** | (0.11) | 0.69*** | (0.12) | |
85 or over | 2.03*** | (0.13) | 1.79*** | (0.13) | |
IORNa | |||||
A–D | − 1.03 | (0.45) | − 0.97* | (0.45) | |
0 | 0.10 | (0.33) | 0.10 | (0.33) | |
Missing | 1.83*** | (0.31) | 1.95*** | (0.31) | |
CCIa | |||||
2 | 0.06 | (0.13) | 0.11 | (0.13) | |
3 | 0.21 | (0.12) | 0.26* | (0.12) | |
Least severe | − 0.42 | (0.12) | − 0.16 | (0.12) | |
SIMDa | |||||
2 | 0.02 | (0.14) | 0.03 | (0.14) | |
3 | − 0.21 | (0.15) | − 0.20 | (0.15) | |
4 | 0.14 | (0.15) | 0.16 | (0.15) | |
Least deprived | 0.22 | (0.13) | 0.23 | (0.13) | |
LAa | |||||
Clackmannanshire | − 1.09*** | (0.30) | − 1.14*** | (0.31) | |
South Ayrshire | − 0.37*** | (0.12) | − 0.23 | (0.12) | |
South Lanarkshire | − 0.99*** | (0.11) | − 0.96*** | (0.11) | |
Stirling | − 1.40*** | (0.20) | − 1.33*** | (0.21) | |
Admission due to injury | 0.67*** | (0.11) | |||
Long hospital stay | 1.28*** | (0.08) | |||
Dementia × home care | − 1.81*** | (0.20) | − 1.72*** | (0.20) | |
Constant | − 6.32*** | (0.40) | − 7.04*** | (0.42) | |
\(\sigma _u\)
| 2.12*** | (0.10) | 2.13*** | (0.10) |