The exit interview as a proxy measure of malaria case management practice: sensitivity and specificity relative to direct observation

Table 2 Sensitivity and specificity of exit interviews compared to direct observation

Advice/action	Observations ¹	Occurrences ²	Sensitivity	Specificity
	N	N	% (95% CI)	% (95% CI)
Advice:
Dosage regimen	1229	1027	96.4 (93.6, 98.0)	53.5 (40.2, 66.2)
Dietary	1251	81	54.4 (41.9, 66.2)	94.1 (92.0, 95.6)
Adverse effects	1253	36	36.2 (16.8, 61.2)	98.6 (97.6, 99.2)
Re-engagement	1643	318	57.9 (49.4, 65.9)	75.2 (70.3, 79.5)
Malaria prevention	1644	185	69.2 (60.5, 76.7)	96.9 (95.6, 97.7)
Action:
RDT/BS completed³	1556	445	94.0 (88.8, 96.8)	98.1 (95.5, 99.1)
Prescription made	1645	1409	91.7 (87.8, 94.4)	97.9 (92.7, 99.4)
SP prescribed⁴	1266	909	83.9 (79.0, 87.7)	70.6 (63.4, 83.3)
1st dose ingested	1068	548	95.5 (93.0, 97.1)	95.0 (92.4, 96.8)
Take away dose	1067	737	98.3 (97.1, 98.9)	88.2 (81.7, 92.6)

¹Observations = the number of participants included in the analysis (i.e. the number of observations carried out); ²Occurrences = the number of times the specified advice/action was observed to have occurred (e.g. in 1027/1229 observed clinical case management cases the participant was provided dosage regimen advice); ³RDT = rapid diagnostic test, BS = bloodslide; ⁴SP = sulphadoxine-pyrimethamine, SP was the most frequently prescribed antimalarial across the three survey samples and is used here as a measure of how accurately patients/caregivers can recall specific antimalarial medications.

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