Trends in "avoidable" mortality by neighbourhood income in urban Canada from 1971 to 1996
Bibliographic record
Abstract
Objective. To examine changes in neighbourhood income-related differences in 'avoidable', and other cause, mortality in urban Canada from 1971 to 1996. Data source. Canadian Mortality Database and population censuses for 1971, 1986, 1991 and 1996. The deaths were coded to census tract and grouped into neighbourhood income quintiles. Methods. Deaths were classified as amenable to medical or public health interventions according to seven selected classification lists. Age-standardized period expected years of life lost (SEYLL) were calculated. Quintile differentials were determined using rate ratios and rate differences. Results. From 1971 to 1996, the avoidable SEYLL differences between the richest and poorest quintiles diminished 58.5--72.1% for men and 56.4--82.2% for women, depending on the classification list considered. The SEYLL differences relating to other causes increased 8.0% in men and decreased 0.5% in women. Conclusion. Deaths amenable to medical and public health interventions contributed to reducing socioeconomic mortality disparities in urban Canada.
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.004 |
| Science and technology studies | 0.002 | 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) | 0.002 | 0.000 |
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".