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Vo, Luan Nguyen Quang, Forse, Rachel Jeanette, Codlin, Andrew James, Vu, Thanh Nguyen, Le, Giang Truong, Do, Giang Chau, Van Truong, Vinh, Dang, Ha Minh, Nguyen, Lan Huu, Nguyen, Hoa Binh, Nguyen, Nhung Viet, Levy, Jens, Squire, Bertie 
ORCID: https://orcid.org/0000-0001-7173-9038, Lonnroth, Knut and Caws, Maxine ORCID: https://orcid.org/0000-0002-9109-350X
(2020)
'A comparative impact evaluation of two human resource models for community-based active tuberculosis case finding in Ho Chi Minh City, Viet Nam'. BMC Public Health, Vol 20, Issue 1, p. 934.
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Abstract
Background: To achieve the WHO End TB Strategy targets, it is necessary to detect and treat more people with active TB early. Scale–up of active case finding (ACF) may be one strategy to achieve that goal. Given human resource constraints in the health systems of most high TB burden countries, volunteer community health workers (CHW) have been widely used to economically scale up TB ACF. However, more evidence is needed on the most cost-effective compensation models for these CHWs and their potential impact on case finding to inform optimal scale-up policies. Methods: We conducted a two-year, controlled intervention study in 12 districts of Ho Chi Minh City, Viet Nam. We engaged CHWs as salaried employees (3 districts) or incentivized volunteers (3 districts) to conduct ACF among contacts of people with TB and urban priority groups. Eligible persons were asked to attend health services for radiographic screening and rapid molecular diagnosis or smear microscopy. Individuals diagnosed with TB were linked to appropriate care. Six districts providing routine NTP care served as control area. We evaluated additional cases notified and conducted comparative interrupted time series (ITS) analyses to assess the impact of ACF by human resource model on TB case notifications. Results: We verbally screened 321,020 persons in the community, of whom 70,439 were eligible for testing and 1138 of them started TB treatment. ACF activities resulted in a + 15.9% [95% CI: + 15.0%, + 16.7%] rise in All Forms TB notifications in the intervention areas compared to control areas. The ITS analyses detected significant positive post-intervention trend differences in All Forms TB notification rates between the intervention and control areas (p = 0.001), as well as between the employee and volunteer human resource models (p = 0.021). Conclusions: Both salaried and volunteer CHW human resource models demonstrated additionality in case notifications compared to routine case finding by the government TB program. The salaried employee CHW model achieved a greater impact on notifications and should be prioritized for scale-up, given sufficient resources.
| Item Type: | Article |
|---|---|
| Subjects: | WA Public Health > Health Problems of Special Population Groups > WA 395 Health in developing countries WC Communicable Diseases > WC 20 Research (General) WF Respiratory System > Tuberculosis > WF 200 Tuberculosis (General) |
| Faculty: Department: | Clinical Sciences & International Health > Clinical Sciences Department |
| Digital Object Identifer (DOI): | https://doi.org/10.1186/s12889-020-09042-4 |
| SWORD Depositor: | JISC Pubrouter |
| Depositing User: | JISC Pubrouter |
| Date Deposited: | 16 Jun 2020 08:33 |
| Last Modified: | 13 Jul 2020 08:39 |
| URI: | https://archive.lstmed.ac.uk/id/eprint/14759 |
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