Telephone vs face-to-face interviews for quantitative food frequency assessment

Journal of the American Dietetic Association
L C LyuL N Kolonel

Abstract

To develop and test a quantitative food frequency method for administration by telephone. A comparison study of telephone and face-to-face interviews was conducted among a representative sample of the five major ethnic groups in Oahu, Hawaii. Two interviews were administered 4 to 6 months apart by trained interviewers using identical questionnaires and color photographs of food items showing three different portion sizes. The order of the interviewing methods was randomly assigned. The questionnaire included 115 food items selected to estimate 80% or more of usual dietary intakes. Frequencies and quantities of each item consumed during the past year were obtained. Subjects were recruited from the Health Surveillance Program of the Hawaii State Department of Health and consisted of 167 men and 158 women, aged 45 to 74 years, who provided a telephone number. Eighty percent of the face-to-face interviews were conducted in the subjects' homes and 20% were conducted at the workplace or the University of Hawaii Cancer Research Center, if requested. The paired t test was used to compare the mean daily intakes obtained by the telephone and face-to-face methods. Agreement was measured by the intraclass correlation coefficient (ICC), Pea...Continue Reading

Citations

Aug 23, 2003·Annals of Epidemiology·Linda S CookAnthony M Magliocco
Jan 27, 2010·The British Journal of Nutrition·Lluis Serra-MajemPatricia Henríquez-Sánchez
Jun 1, 2004·Nutrition Research Reviews·J E CadeB M Margetts
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Nov 26, 1999·Journal of the American Dietetic Association·P H CaseyM L Bogle
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