aids 2012 mobile tech in pmtct programme evaluation
TRANSCRIPT
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AIDS 2012Mobile tech in PMTCT programme evaluation
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Purpose of presentation
• Protocol recap
• Technology implementation
• Benefits: Data quality, availability & security
• Technology costs
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Protocol recap
• Baseline (6w)Facility based interview + DBS sample taken
• EnrolmentHIV+ reported or tested enroled for follow-up
• Follow upInterviews and tests at 10-14w, 6m, 9m, 12m, 15m & 18m
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Mobile interfaceData collectors
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Basic logic determines whether a participant should be considered for the baseline and follow-up cohorts
Eligibility & screening logic
Click icon to add picture
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Interviews take place at 7 time points (in SAPMTCT 1,100 fields captured)
Data collection
Click icon to add picture
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Respondents appear on each follow-up list automatically
Follow-up management
Click icon to add picture
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Web interfaceData managers, DC coordinators, principal investigators
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Existing forms developed for SAPMTCT can be used as base and adapted for local application
Design & deploy forms from the web
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Easily configure reports for supervisors and coordinators
Published reports
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Detailed meta-data, granular permissions control and full audit history
Control data access and cleaning
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Integrated SMS, activity logs and location lookups
Monitor & communicate
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Backend & reportsProtocol support
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Backend
• Longitudinal record-keepingRespondent record built up over multiple interviews
• Automated merging of lab resultsLab results received from NHLS automatically matched & merged to update respondent records
• Appointment remindersReminders sent ahead of each follow-up
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Automated reports
• Progress reportsRolling 7-day report distributed via email
• Operational reportsDaily export of key tracking data for active respondents
• Analysis data setsMerged longitudinal export for analysis
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Support, logistics & capacity building
• TrainingTraining provided to cover survey design, data collection & management
• LogisticsAssistance with handset procurement, setup & airtime monitoring
• Local capacity buildingHandover of core support activities to local resources
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Data qualityHow can data integrity be ensured and on-going participant engagement encouraged?
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Data quality benefits
• Improved data integrityPrevent input errors with relevant skip logic and validation
• Check digitsIssue and validate participant identifiers
• Tried-and-tested instrumentsUtilise tested base of questionnaires and protocols
• No separate data captureNo secondary data entry stage eliminates transcription errors
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Data quality benefits
• Server-side heuristicsAlerts issued when sanity/integrity checks fail
• Data auditingAutomatic auditing of data modifications by authorised personnel
• Data authenticityVerify data authenticity through meta data & respondent mobile follow-up
• Reduced attritionSupport for visit scheduling, automated SMS appointment reminders and respondent airtime incentives reduce attrition rates
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Data availabilityHow easy will it be to access, analyse and use data?
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Data availability benefits
• Cloud architectureNo server-side hardware required
• Offline usageCaptured data cached on handset until network available
• Real-timeReal-time access to review, export, chart and map responses
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Data availability benefits
• Data controlComplete control and ownership of data collected
• Automated progress reportsProgress reports generated and distributed automatically on daily basis to team leaders and coordinators
• ExtensibleGeneric and open API allows data to be integrated into any other system
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Data securityHow can respondent confidentiality be ensured?
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Data security benefits
• Confidentiality"Store-and-forward" and encrypted transmission
• Controlled sharingAbility to define dynamic data sets and provide access to limited user group
• Field visibility controlHide specific fields from selected users (e.g. mobile number)
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CostIs it affordable and financially sustainable?
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Cost
• Remove paper process costsNo printing, data entry, document transportation and storage
• Reduce errors and associated costsDetect and correct errors in the field
• Low cost handsetsChoose from over 500 handset options, including entry-level feature phones (around $50 each)
• ScalableSelect appropriate scale – a phased approach is possible
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Cost
• Technology• Assuming large-scale sample (e.g. SA = 12k baseline, 3k
follow-up, 1,100 fields)• Hardware, software, hosting, training & consulting• Budget $90k initially• Budget $45k per annum for annual evaluation• Capacity building of local resources included
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Concluding Remarks
• Using mobiles, data flow can be simplified and improved significantly
• Mobile technology provides a real alternative to paper
• Migration from evaluation to surveillance
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Thank you
Questions Direct email: [email protected] Support: [email protected] Twitter: andi_friedman / mobenzi_r