From: mHealth to improve implementation of TB contact investigation: a case study from Uganda
Characteristic | Standard of care intervention: | Context-adapted intervention: | Tailored implementation strategy: |
---|---|---|---|
“Household TB contact investigation” | “Home-based TB contact investigation” | “mHealth facilitation” | |
Actors | Clinic-based Health Care Workers | Community Health Workers | Mobile Health Tools |
Targets of action | Persons with TB (to help reach contacts) | Persons with TB (to help reach contacts) | Community Health Workers |
Household contacts of persons with TB | Household contacts of persons with TB | Household contacts of persons with TB | |
Actions | 1. Enumerate contacts at home | 1. Enumerate contacts at home | 1. Digital fingerprint scanning to track contacts |
2. Screen household contacts for TB at home | 2. Screen household contacts for TB at home | 2. Decision support to guide testing and referral | |
3. Evaluate contacts for TB in clinics | 3. Evaluate contacts for TB at home | 3. Automated-SMS reporting of TB test results | |
a. Home-based sputum collection | |||
b. Home-based HIV-testing | |||
Justification | Not applicable | 1. Reduce anticipated stigma for clients | 1. Reduce contacts lost to follow-up |
2. Decongest clinic | 2. Increase fidelity of screening and testing | ||
3. Minimize client costs | 3. Improve delivery of results to clients | ||
a. Increase completion of TB testing | |||
b. Increase completion of HIV testing | |||
Temporality | Timeline not specified | Household visit within one week of TB diagnosis | TB test results sent by SMS ≤ 3d of collection |
Dose | One household visit | One household visit | One SMS message with TB test results |
Outcomes | Number of contacts identified | Reach among eligible clients | |
Number of contacts screened for TB | Feasibility, Acceptability, Appropriateness | ||
Number of contacts evaluated for TB | Cost | ||
Number of contacts tested for HIV | Fidelity | ||
Yield of TB diagnoses | Yield of TB diagnoses | Context |