To validate a phosphate food frequency questionnaire using dietary recalls and test for reproducibility in people with end stage kidney failure on dialysis.

Not Applicable

Completed

• Conditions: Chronic Kidney Disease; Hyperphosphatemia; Renal and Urogenital - Kidney disease; Diet and Nutrition - Other diet and nutrition disorders

• Registration Number: ACTRN12621000681853
• Lead Sponsor: Sir Charles Gairdner Hospital

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2021-06-03
• Study Completion: 2022-08-01
• Last Update Posted: 17 April 2023

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 50

Inclusion Criteria

•On dialysis (peritoneal dialysis or haemodialysis (home or facility-based)) for at least 3 months who are able to provide informed consent
•Age >= 18 years

Exclusion Criteria

•Hospitalisation within the last 1 month
•Serious intercurrent illness within the last 1 month
•Unable to complete the FFQ e.g. patients with dementia, cognitive deficit and/or language barrier

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
To confirm that the phosphate specific FFQ is an accurate indicator of dietary intake by comparing it with a validated 24 hr multi pass recall tool.<br>This will be assessed using the nutrient analysis program FoodWorks v.10 (Xyris Software Australia Pty Ltd).[3 weeks post baseline interview.]

Secondary Outcome Measures

Name	Time	Method
Dietary patterns (frequency) on dialysis and non-dialysis days recorded from 24 hr multi pass recall and analysed on FoodWorks software program.<br><br>[4 weeks post baseline interview.];Percentage of dietary phosphate intake from animal, vegetable, and food additive sources. This will be assessed using analysis of the FFQ and 24hr multi pass recall from the nutrient analysis program FoodWorks V.10[4 weeks post baseline interview.]