Outcomes and Costs of the Transition From a Paper-Based Immunization System to a Digital Immunization System in Vietnam: Mixed Methods Study

The electronic National Immunization Information System (NIIS) was introduced nationwide in Vietnam in 2017. Health workers were expected to use the NIIS alongside the legacy paper-based system. Starting in 2018, Hanoi and Son La provinces transitioned to paperless reporting. Interventions to suppor...

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Bibliographic Details
Published in:Journal of medical Internet research 2024-03, Vol.26 (9), p.e45070-e45070
Main Authors: Dang, Thi Thanh Huyen, Carnahan, Emily, Nguyen, Linh, Mvundura, Mercy, Dao, Sang, Duong, Thi Hong, Nguyen, Trung, Nguyen, Doan, Nguyen, Tu, Werner, Laurie, Ryman, Tove K, Nguyen, Nga
Format: Article
Language:English
Subjects:
Analysis
Economic aspects
Immunization
Information management
Medical economics
Methods
Original Paper
Vaccines
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Summary:The electronic National Immunization Information System (NIIS) was introduced nationwide in Vietnam in 2017. Health workers were expected to use the NIIS alongside the legacy paper-based system. Starting in 2018, Hanoi and Son La provinces transitioned to paperless reporting. Interventions to support this transition included data guidelines and training, internet-based data review meetings, and additional supportive supervision visits. This study aims to assess (1) changes in NIIS data quality and use, (2) changes in immunization program outcomes, and (3) the economic costs of using the NIIS versus the traditional paper system. This mixed methods study took place in Hanoi and Son La provinces. It aimed to analyses pre- and postintervention data from various sources including the NIIS; household and health facility surveys; and interviews to measure NIIS data quality, data use, and immunization program outcomes. Financial data were collected at the national, provincial, district, and health facility levels through record review and interviews. An activity-based costing approach was conducted from a health system perspective. NIIS data timeliness significantly improved from pre- to postintervention in both provinces. For example, the mean number of days from birth date to NIIS registration before and after intervention dropped from 18.6 (SD 65.5) to 5.7 (SD 31.4) days in Hanoi (P
ISSN:1438-8871
1439-4456
1438-8871
DOI:10.2196/45070