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OCHSENHOFER, K. Validation of an online Semi-quantitative Food Frequency Questionnaire for iron A Semi-quantitative Food Frequency Questionnaire (QSFA), previously validated, was used to obtain the intake of energy, carbohydrates, proteins, fat and calcium, now to obtain the intake of iron and calcium online. Therefore, women between 19 and 59 years old, who participated from PRINUTHA (Integrated Project of Human Nutrition) at the CEPE-USP (USP s Sport Practice Center) was selected to answer a 24 Hours Recall (RH24). At the next four months four more RH24 s was obtained per telephone ou e-mail. At the next month the participants full an online QSFA. This questionnaire was validated for iron and calcium, resulting in an energy adjusted correlation coefficient rc = 0,402 for iron and rc = 0,605 for calcium. Key-word: validation, Food Frequency Questionnaire, intake, iron, calcium, women

Validação de um questionário semi-quantitativo de freqüência alimentar online para ferro