Table 6 Multiple regression model of change in dementia quality of life as measured on DEMQOL proxy
DEMQOL proxy (n = 269) | DEMQOL proxy (n = 269) | |||
|---|---|---|---|---|
Poorer HRQL… compared to improvement | Stable HRQL… compared to improvement | Poorer HRQL… compared to improvement | Stable HRQL… compared to improvement | |
DEMQOL proxy at baseline | 0.077 ** | 0.070 ** | 0.080 ** | 0.069 ** |
Age | −0.029 | 0.022 | −0.030 | 0.024 |
Gender | ||||
Female | – | – | – | – |
Male | 0.52 | −0.41 | 0.58 | −0.44 |
Education level | ||||
Below A-level or equivalent | – | – | – | – |
AS/A-level | 0.37 | −0.60 | 0.44 | −0.62 |
Degree or higher | 0.49 | 0.32 | 0.43 | 0.27 |
Co-resident | ||||
No | – | – | – | – |
Yes | 0.88 | 0.91 | 0.75 | 0.86 |
Setting | ||||
Rural | – | – | – | – |
Urban | 0.40 | 0.21 | 0.43 | 0.22 |
Relationship of carer | ||||
Spouse | – | – | – | – |
Son/daughter (incl. in-law) | 1.30 | 0.22 | 1.23 | 0.16 |
Other | 0.50 | −0.59 | 0.51 | −0.70 |
Carer burden (Zarit Burden score) | −0.0065 | − 0.025 | −0.0083 | − 0.026 |
Alzheimer’s disease | ||||
No | – | – | – | – |
Yes | −0.95 * | −1.28 ** | −0.91 * | −1.27 ** |
Severity of cognitive impairment | ||||
Mild | – | – | – | – |
Moderate | 0.27 | −0.60 | 0.22 | −0.62 |
Severe | −0.65 | −0.87 | − 0.98 | −0.81 |
Level of disability | ||||
No ADLs or IADLs | – | – | – | – |
Needs help with 1+ IADL | 0.47 | 0.48 | 0.46 | 0.40 |
Difficulty with 1 ADL | −0.43 | −0.38 | −0.37 | − 0.42 |
Difficulty with 2+ ADLs | −0.32 | − 0.025 | −0.13 | − 0.075 |
Level of behavioural disturbance (NPI score) | 0.017 | 0.016 | 0.035 | 0.020 |
Increase in severity of cognitive impairment | −0.71 | 0.17 | ||
Increase in level of disability | 0.29 | 0.17 | ||
Increase in level of behavioural disturbance | 1.12 * | 0.32 | ||
Constant | −6.57 * | −7.54 ** | −7.43 ** | −7.71 ** |