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Development and validation of a photographic method to assess dietary intake in youth
Author(s) -
Matthiessen Timothy Brian,
Steinberg Francene M,
Kaiser Lucia Lynn
Publication year - 2010
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.24.1_supplement.563.6
Subject(s) - food intake , medicine , food group , whole grains , zoology , environmental health , food science , biology
The purpose of this study was to develop and test a photographic method for assessing dietary intake of youth in a community setting. Thirty youth (15 males, 15 females), who were between 9–12 years, were recruited from community organizations in Davis, CA. Using digital cameras, 28 subjects with a mean BMI (±SD) of 18.48 (±2.65) photographed the foods consumed after 5pm for seven days to get a photographic food record (PFR). Additional data collected for the same week included the Block Kids Food Frequency questionnaire and three 24‐hour dietary recalls (DR) in person or by phone. Two observers analyzed the photos and entered data into Food Processor SQL to calculate food group intakes (grains, vegetables, fruits, dairy, and meats & beans). Preliminary data analysis, using a paired t‐test, revealed no significant differences between the DR and PFR methods in food group intake after 5pm. Mean (±SD) serving intakes were as follows: Grain DR: 1.81 (±1.21) PFR: 2.05 (±0.57); Vegetables DR: 0.66 (±0.59) PFR: 0.57 (±0.26); Fruit DR: 0.58 (±0.66) PFR: 0.53 (±0.42); Dairy DR: 1.01 (±0.82) PFR: 0.98 (±0.71); Meat & Beans DR: 1.73 (±1.11) PFR: 1.97 (±1.20). The PFR method is less burdensome on the subjects and is as accurate as the recall method in assessment of children's dietary intake. Photographic methods may have possible applications in assessing changes in dietary patterns following nutrition education programs.