. Author manuscript; available in PMC: 2009 May 21.

Published in final edited form as: J Am Diet Assoc. 2008 May;108(5):817–822. doi: 10.1016/j.jada.2008.02.021

Table 2.

Number of participants classified as nonadherent to NCEP^a Therapeutic Lifestyle Changes diet by MEDFICTS^b vs Gladys Block food frequency questionnaire^c ^d

	Gladys Block Food Frequency Questionnaire

	Adherent		Nonadherent
MEDFICTS	n	%	n	%	Totals
Adherent (<40 points)	18	8.0	207	92.0	225
Nonadherent (≥40 points)	3	1.1	273	98.9	276
Totals	21		480		501

NCEP=National Cholesterol Education Program.

MEDFICTS=Meats, Eggs, Dairy, Fried foods, fat In baked goods, Convenience foods, fats added at the Table, and Snacks dietary assessment instrument.

Sensitivity=Proportion of persons adherent to Therapeutic Lifestyle Change diet who were identified as adherent by MEDFICTS: 18/21=85.7%.

Specificity=Proportion of persons nonadherent to Therapeutic Lifestyle Change diet who were identified as nonadherent by MEDFICTS: 273/480=56.9%.