A cluster-based randomized controlled trial promoting community participation in arsenic mitigation efforts in Bangladesh
Christine Marie George e outros, 2012 · Environmental Health
Deploying local community testers rather than outside representatives for water arsenic testing and education did not significantly alter the odds of switching to safe drinking wells.
Estimativa · well switching among unsafe well users, odds ratio
0,860 [0,420; 1,77]
odds ratio
- Desenho
- Experimento aleatório por conglomerados. cluster RCT across 20 matched villages
- População
- Households using arsenic-contaminated tubewells in 20 villages in Singair Upazila, Bangladesh, surveyed at baseline and follow-up in 2010
- Amostra
- 543 · households with arsenic-contaminated wells at baseline
Onde está o número
Table 2, row 'Community arsenic tester', column 'OR for switching (95% CI)'
Community arsenic tester | 295 | 44 | 0.86 (0.42-1.77)
Contexto
What changed: Trained community residents conducted water arsenic testing, provided education, and assisted households in finding safe wells. Comparison: Villages receiving the same services from outside representatives. Limits: Small cluster sample (20 villages in one upazila) and baseline imbalances in safe well availability between arms.
Caminho no grafo
- FamíliaInformação e persuasão
- TipoCampanha de informação
- EixoPoluição química
MAGI só cita evidência deste instrumento
Lugares do estudo
- Bangladesh · País · BD
- Licença
- CC-BY
- Revisão
- Extraído por máquina, não revisadoExtraído por: gemini-3.8-flash, 2026-10-23