Can Social Interventions Prevent Tuberculosis?: The Papworth Experiment (1918–1943) Revisited
Bibliographic record
Abstract
RATIONALE: There is consensus on the need to address social determinants of tuberculosis (TB) to achieve TB control, but evidence based on interventions is lacking. OBJECTIVES: We reanalyzed data from the sociomedical experiment performed at the Papworth Village Settlement in England, where the impact of stable employment and adequate housing and nutrition on the incidence of TB infection and disease in children living with parents with active TB was documented during 1918-1943. METHODS: Information on 315 children of patients, who lived at Papworth, was abstracted from a published monograph. Overall and age-specific occurrence of TB infection, disease, and deaths among children born in the settlement (village-born cohort) were compared with those of children born outside and admitted later (admitted cohort) to Papworth. MEASUREMENTS AND MAIN RESULTS: The annual risks of infection in the village-born and admitted cohorts were 20 and 24%, respectively. Of 24 children who developed TB disease, only one was village-born. Among children 5 years of age or less, there was zero incidence of TB in the village-born, compared with five cases (1,217/100,000 person-years) among children born outside Papworth. In the admitted cohort, among children 13 years of age and older, the incidence of TB before admission to Papworth was 5,263/100,000 person-years, whereas it was 341/100,000 person-years while living in Papworth. CONCLUSIONS: At Papworth social interventions including adequate nutrition did not reduce TB transmission but did reduce the incidence of TB disease in children living with parents with active TB. These results are relevant today for prevention of TB in children of patients with active TB, particularly with multidrug-resistant TB in high-burden settings.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.002 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".