P4–233: Care–recipient use of dementia medications and caregiver depression and overall caregiver health
Bibliographic record
Abstract
In Alzheimer's disease drug trials, medications to treat dementia have been shown to have benefits for caregivers (e.g., reductions in burden or in the time required for caregiving). To investigate whether the caregivers of care–recipients who take dementia medications are less likely to be depressed, or more likely to be in better overall health, than the caregivers of care–recipients who do not take dementia medications. Using the database from the third wave of the population–based Canadian Study of Health and Aging, the authors identified the informal, unpaid caregivers of care–recipients who were diagnosed with probable or possible AD, cognitive impairment not dementia, vascular dementia, or other dementias (e.g., Parkinson's disease). Care–recipients who were diagnosed with no cognitive impairment were also included in the study. Multiple logistic and linear regression were employed to investigate the objective. Regression analyses were adjusted by: caregiver sex, caregiver works for pay, caregiver annual household income, caregiver living arrangements with the care–recipient, care–recipient needs help with activities of daily living, and caregiver use of formal services in the past year. 987 caregiver/care–recipient dyads were identified in the database. Nine percent (n = 88) of care–recipients used dementia medications, 15% (n = 149) of caregivers were depressed (score >/= 10 on the Centre for Epidemiologic Studies Depression Scale), and 84% (n = 826) of caregivers were in good or better overall health. After adjusting for the covariates, the associations between a care–recipient's use of a dementia medication and caregiver depression or overall caregiver health were not statistically significant at the 5% level (depression – yes versus no: OR = 1.64, 95% CI = 0.95 to 2.82; overall health – good/very good/excellent versus poor/fair: OR = 0.82, 95% CI = 0.55 to 1.22). In a population–based study of dementia in Canada, dementia medications were not found to have an impact on caregiver depression or overall caregiver health.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.012 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".