determining the correlation between three and seven day records of fluids consumption to determine an appropriate method for estimating the amount and type of fluids intake in adults

background different methods are used for adequate fluid intake assessment, while there is no standard method for adequate fluid intake assessment. objectives the current pilot study aimed to evaluate the amount, type and frequency of fluids consumption to determine the correlation between three- and seven-day records. methods this pilot cross-sectional study was done on 30 adult subjects in ahvaz, iran during year 2014. demographic data were collected via a questionnaire and fluids consumption was assessed with a seven days records questionnaire. for data analyses the spss 16 software was used. results results of this cross-sectional study showed that the average total daily fluids consumption was 1.6 liter. total fluids consumption for each subject on average in three and seven days was 4.5 and 11 liter, respectively. water was the major fluid, which the participants consumed and tea was the second item. total amount and frequency of fluids intake were not significantly different between three and seven-day records (p = 0.287), (p = 0.546). conclusions this study showed that there was no significant difference between the record of seven and three days of fluids consumption in the participants and it is suggested that three-day records is useful in order to determine fluids intake.