Table 3. Sensitivity and specificity of the short version of the Brazilian Food Insecurity Scale, with seven questions.a Pelotas, RS, Southern Brazil, 2013.

Cut-off points	Sensitivity	Specificity	Accuracy
	%	%	%
Pelotas sample
≥ 1	97.8	100	98.7
≥ 2	65.5	100	79.1
≥ 3	48.2	100	68.7
≥ 4	19.4	100	51.3
≥ 5	12.2	100	46.9
≥ 6	5.8	100	43.0
7	0	100	39.6
PNDS
≥ 1	99.5	100	99.8
≥ 2	77.7	100	90.6
≥ 3	59.9	100	83.1
≥ 4	31.9	100	71.3
≥ 5	21.9	100	67.0
≥ 6	12.9	100	63.2
7	0	100	57.8

^a See Table 1.