Authors:
Subar, AF
Ziegler, RG
Thompson, FE
Johnson, CC
Weissfeld, JL
Reding, D
Kavounis, KH
Hayes, RB
Citation: Af. Subar et al., Is shorter always better? Relative importance of questionnaire length and cognitive ease on response rates and data quality for two dietary questionnaires, AM J EPIDEM, 153(4), 2001, pp. 404-409
Authors:
Subar, AF
Midthune, D
Kulldorff, M
Brown, CC
Thompson, FE
Kipnis, V
Schatzkin, A
Citation: Af. Subar et al., Evaluation of alternative approaches to assign nutrient values to food groups in food frequency questionnaires, AM J EPIDEM, 152(3), 2000, pp. 279-286
Authors:
Thompson, FE
Kipnis, V
Subar, AF
Krebs-Smith, SM
Kahle, LL
Midthune, D
Potischman, N
Schatzkin, A
Citation: Fe. Thompson et al., Evaluation of 2 brief instruments and a food-frequency questionnaire to estimate daily number of servings of fruit and vegetables, AM J CLIN N, 71(6), 2000, pp. 1503-1510