Translation and Validation of the Sinhalese Version of the Brief Medication Questionnaire in Patients with Diabetes Mellitus

Table 2

Performance of the BMQ according in comparison to gold standard.

	Sensitivity (%)	Specificity (%)
Brief Medication Questionnaire (overall)
Adherent (no positive response)	100	0
Probable adherence (positive response in 1 screen)	98.6	17.7
Probable low adherence (positive response in 2 screens)	78.3	55.2
Low adherence (positive response in 3 screens)	33.3	92.7
BMQ regimen screen
Adherent (no positive response)	100	0
Probable adherence (one positive response)	72.5	47.9
Probable low adherence (two positive responses)	31.9	79.2
Low adherence (≥3 positive responses)	1.4	100