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Table 4 Logistic regression results for the effect of SMS reminders on malaria and non-malaria drug-taking

From: SMS messages increase adherence to rapid diagnostic test results among malaria patients: results from a pilot study in Nigeria

Medications taken

Percentage (N)

SMS

SMS

 

SMS sent (n = 117)

SMS not sent (n = 123)

SMS risk ratio (95% CI)

Risk difference (95% CI)

1 Took anti-malarial

23.1% (27)

41.5% (51)

0.42 (0.25–0.72)

−18.4% (−30.1% to −6.7%)

2 Took anti-malarial**

  

0.37 (0.20–0.69)

−20.6% (−32.5% to −8.8%)

3 Took symptom drug

73.5% (86)

80.5% (99)

0.67 (0.37–1.20)

−7.0% (−17.3% to 3.31%)

4 Took symptom drug**

  

0.89 (0.42–1.90)

−2.1% (−15.2% to 11.1%)

  1. Sample includes RDT negative participants who bought both an antimalarial drug as well as drugs to treat their symptoms, N = 240.
  2. **Controls for city survey was conducted (Ibadan/Ogbomosho), treatment* city survey was conducted, whether assignment to the treatment/control group was made off-protocol, and treatment* whether survey assignment to the treatment/control group was made off-protocol (Model 3).
  3. Standard errors are clustered by retail site.