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01.12.2015 | Research article | Ausgabe 1/2015 Open Access

BMC Public Health 1/2015

Comparing a 7-day diary vs. 24 h-recall for estimating fluid consumption in overweight and obese Mexican women

BMC Public Health > Ausgabe 1/2015
Sonia Hernández-Cordero, Nancy López-Olmedo, Sonia Rodríguez-Ramírez, Simón Barquera-Cervera, Juan Rivera-Dommarco, Barry Popkin
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​s12889-015-2367-0) contains supplementary material, which is available to authorized users.

Competing interests

No authors have consulted with the Danone Research Center, but some have had grants to conduct clinical studies (SB) or epidemiological analyses (BP) or partial support for sabbatical research at the University of North Carolina at Chapel Hill (SHC). The other authors (SRR, NLO and JRD) declare that they have no competing interests.

Authors’ contributions

SHC and BP were responsible for the design, implementation, and analysis and wrote the manuscript and has primary responsibility of final content of this paper. NLO participated in data processing and drafting the manuscript. SRR was in charge of designing and supervising dietary data collection and processing. SB and JRD participated in the design of the study and implementation of the study. BP conceived the study, participated in its design and coordination, participated actively writing the manuscript. All authors have critically reviewed the manuscript content and approved the final version submitted for publication.



High intake of sugar-sweetened beverages (SSB) is linked to increased weight, energy intake, and diabetes. Even though the increasing interest on beverages and water intake, there are few dietary tools carefully validated. The purpose of this paper is to compare a fluid intake 7-day diary against a 24-h recall questionnaire to estimate the fluid consumption in overweight and obese women participating in a randomized controlled trial in Mexico.


This cross-sectional study explored the correlation of reported fluid consumption between two methods: 3-day 24-hr recalls and 7-day diary beverage registry in overweight and obese Mexican women aged 18–45 y (n = 190).


There was no difference on median estimated volume (mL/d), nor the median estimated energy (kcal/d) from total beverage consumption registered by the two dietary tools. The crude and rank correlation among the two dietary instruments was high for total fluid consumption in mL/d r = 0.7, p < 0.001 (crude and rank correlation) and for fluid consumption measured as energy intake: r = 0.7; p < 0.001 crude, and r = 0.5; p < 0.001 rank correlation. By type of beverage, the more meaningful rank correlations were for fluid intake in: mL/d, water, alcohol beverages, and SSB; and in kcal/d, alcohol beverages and SSBs (rank correlation ≥ 0.6).


Overall, the 7-day diary showed high and strong rank correlations with that reported in the 24-h recall, suggesting that the diary method is a valid dietary tool to evaluate total fluid, water and SSB intake in this population.
Additional file 1: Beverage Diary Register. The 7-day diary instrument used in the study, translated into English (PDF 102 kb)
Additional file 2: Cross classification and rank correlation by tertiles. Total fluid intake (mL/d and kcal/d) cross-classification and rank correlation by tertiles (n = 190). Cross classification and rank correlation of the 24 h-h recall and 7-day diary. (PDF 146 kb)
Additional file 3: Spearman rank correlation. Spearman rank correlation (RC) by type of beverage (mL/d and kcal/d). (PDF 152 kb)
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