Relative validation of a short food frequency questionnaire to assess calcium intake in older adults

Clover, Emma; Miller, Michelle; Bannerman, Elaine; Magarey, Anthea

doi:10.1111/j.1753-6405.2007.00117.x

Cited by 11 publications

(18 citation statements)

References 24 publications

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“…In 2006, however, the RDI revised with the recommended daily calcium intake increased to 1000 mg (or 2 glasses of milk + 1 tub yoghurt + 1 cube of cheese) for males and 1300 mg (or 2 glasses of milk + 2 tubs yoghurt + 1 cube of cheese) for females. Therefore, it is predicted that a greater proportion of older Australians have an inadequate calcium intake based on these new recommendations [9]. By identifying individuals who are at risk of osteoporosis through inadequate calcium intake, early treatment or prevention of osteoporosis is possible [10].…”

Section: Introductionmentioning

confidence: 99%

“…One method commonly used is the Food Frequency Questionnaire (FFQ) due to the simple format, cost efficiency, ability to be self-administered, and ability to provide insight regarding long-term and usual dietary intake [5, 11]. Due to the implications of low calcium intake, three calcium specific FFQs have previously been developed in Australia [7, 9, 12]. Two of these however have not been validated in older adults [7, 12] and none have been evaluated for repeatability [7, 9, 12].…”

Section: Introductionmentioning

confidence: 99%

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Repeatability of a Short Food Frequency Questionnaire to Assess Calcium Intake in Older Australians

Miller

Yeo

Khor

et al. 2010

Journal of Aging Research

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Objective. To assess the repeatability of the validated Flinders Calcium Food Frequency Questionnaire (FFQCA) for estimating dietary calcium intake in a sample of community dwelling older Australians. Methods. A test-retest repeatability study involving 100 subjects (≥65 years) living independently in metropolitan Adelaide, Australia. Estimates of daily calcium intake from the first (FFQCA1) and repeated administration (FFQCA2) were calculated from two versions (35-item and 15-item) of the FFQCA. The intraclass correlation coefficient (ICC) was used to assess the repeatability. Results. Moderate and comparable ICC values (r = 0.5, r = 0.6) were found across the two versions of the FFQCA. Conclusion. Both FFQCA versions demonstrated moderate repeatability, supporting the results of previous studies.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Repeatability of a Short Food Frequency Questionnaire to Assess Calcium Intake in Older Australians

Miller

Yeo

Khor

et al. 2010

Journal of Aging Research

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“…Four articles report on two tools (16)(17)(18)(19) , one article reports on three tools (20) , and another reports on what is assumed an online and paper version of the same tool but this is not clearly stated (21) . Two tools (17,22) are each reported in second articles (23,24) . Four tools assess both dairy and Ca intake (16,(25)(26)(27) and thirty-two assess Ca intake alone.…”

Section: Resultsmentioning

confidence: 99%

“…In addition, relative validity results for those tools that assessed Ca vary such that some should be considered with caution while others appear to have acceptable levels of agreement and/or sensitivity and specificity. With respect to Ca tools, those that appear to be best in levels of relative validity are those developed by Clover et al (17) , Montomoli et al (31) , Hacker-Thompson et al (21) , Sebring et al (20) and Severo et al (43) . Each of these studies included a minimum of 100 participants, considered to be the smallest acceptable sample size for a validation study (11) , had a sensitivity and specificity of > 80 %, or a Bland-Altman mean bias of < 100 mg, or a κ statistic > 0·80, or a correct classification of > 80 %.…”

Section: Discussionmentioning

confidence: 99%

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Evaluation of tools used to measure calcium and/or dairy consumption in adults

Magarey

Baulderstone

Yaxley

et al. 2014

Public Health Nutr.

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Objective: To identify and critique tools for the assessment of Ca and/or dairy intake in adults, in order to ascertain the most accurate and reliable tools available. Design: A systematic review of the literature was conducted using defined inclusion and exclusion criteria. Articles reporting on originally developed tools or testing the reliability or validity of existing tools that measure Ca and/or dairy intake in adults were included. Author-defined criteria for reporting reliability and validity properties were applied. Setting: Studies conducted in Western countries. Subjects: Adults. Results: Thirty papers, utilising thirty-six tools assessing intake of dairy, Ca or both, were identified. Reliability testing was conducted on only two dairy and five Ca tools, with results indicating that only one dairy and two Ca tools were reliable. Validity testing was conducted for all but four Ca-only tools. There was high reliance in validity testing on lower-order tests such as correlation and failure to differentiate between statistical and clinically meaningful differences. Results of the validity testing suggest one dairy and five Ca tools are valid. Thus one tool was considered both reliable and valid for the assessment of dairy intake and only two tools proved reliable and valid for the assessment of Ca intake. Conclusions: While several tools are reliable and valid, their application across adult populations is limited by the populations in which they were tested. These results indicate a need for tools that assess Ca and/or dairy intake in adults to be rigorously tested for reliability and validity.

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Dairy intake screener as web‐based application is reliable and valid

Piderit,

White,

Becker

et al. 2024

Food Science & Nutrition

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The “Dairy Diary” is a user‐friendly web‐based dairy intake screener. The reliability and validity are unknown. We aimed to evaluate the screener in terms of test–retest reliability and comparative validity. In a diagnostic accuracy study, a purposefully recruited sample of 79 (age: 21.6 ± 3.8 years) undergraduate dietetics/nutrition students from three South African universities completed 3 non‐consecutive days of weighed food records (reference standard) within a seven‐day period (comparative validity), followed by two administrations, 2 weeks apart, of the screener (index test) (reliability). For the four dairy product serving scores (PSSs) and the summative dairy serving scores (DSSs) of the screener and the food records, t‐tests, correlations, Bland–Altman, Kappa, McNemar's, and diagnostic accuracy were determined. For reliability, mean PSSs and DSSs did not differ significantly (p > .05) between the screener administrations. The mean PSSs were strongly correlated: milk (r = .69; p < .001), maas (fermented milk) (r = .72; p < .001), yoghurt (r = .71; p < .001), cheese (r = .74; p < .001). For DSSs, Kappa was moderate (k = 0.45; p < .001). Non‐agreeing responses suggest symmetry (p = .334). For validity, the PSSs of the screener and food records were moderately correlated [milk (r = .30; p = .0129), yoghurt (r = .38; p < .001), cheese (r = .38; p < .001)], with k = 0.31 (p = .006) for DSS. Bland–Altman analyses showed acceptable agreement for DSSs (bias: −0.49; 95% CI: −0.7 to −0.3). Categorized DSSs had high sensitivity (81.4%) and positive predictive value (93.4%), yet low specificity (55.6%) and negative predictive value (27.8%). The area under the receiver operating characteristic curve (0.7) was acceptable. The “Dairy Diary” is test–retest reliable with moderate comparative validity to screen for dairy intake of nutrition‐literate consumers.

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Relative validation of a short food frequency questionnaire to assess calcium intake in older adults

Cited by 11 publications

References 24 publications

Repeatability of a Short Food Frequency Questionnaire to Assess Calcium Intake in Older Australians

Repeatability of a Short Food Frequency Questionnaire to Assess Calcium Intake in Older Australians

Evaluation of tools used to measure calcium and/or dairy consumption in adults

Dairy intake screener as web‐based application is reliable and valid

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