Table 3.

Item correlation of the Sinhala version of the modified drug abuse screening test questionnaire

Item number	Correlation
Item 1	0.507
Item 2	0.871
Item 3	0.219
Item 4	0.686
Item 5	0.812
Item 6	0.739
Item 7	0.641
Item 8	0.947
Item 9	0.921