Gastroenterologia y hepatologia · 2026
Food-related quality of life in inflammatory bowel disease: Validity and reliability of the Brazilian version of the FR-QoL-29-Portuguese-Brazil.
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Sayuri Macedo Tuma Isadora, Carlin Cambi Maria Paula, de Oliveira Dominski Sara Fernanda, Ignácio Patrícia, Magro Daniéla Oliveira, Whelan Kevin, Kotze Paulo Gustavo
Аннотация
OBJECTIVE: Our aim was to (i) undertake a comprehensive translation of the FR-QoL-29 instrument to Brazilian-Portuguese; and (ii) evaluate its validity and reliability in patients with IBD in Brazil.
MATERIALS AND METHODS: The FR-QoL-29 underwent forward and backward translation to Brazilian-Portuguese. A cross-sectional study was conducted in patients with IBD either in remission or with active disease at a tertiary referral center in Brazil. Clinical and demographic characteristics, Montreal classification and anthropometric measurements were collected. Data were compared with controls without any gastrointestinal disease.
RESULTS: A total of 203 consecutive patients were included, of whom 173 had IBD and 30 were controls. Cronbach's α was 0.93 for IBD patients without previous IBD-related surgery, 0.93 for IBD patients with previous intestinal surgery, and 0.80 for the control group. Using the Kaiser-Meyer-Olkin (KMO) test to assess sample adequacy, the result was 0.85 for IBD patients without previous surgery (p<0.001) and 0.73 for those with previous IBD-related operations (p<0.001).
CONCLUSION: The FR-QoL-29-Portuguese-Brazil is a valid and reliable tool for use in this language and in this specific population to measure the important factor of food-related quality of life.
MATERIALS AND METHODS: The FR-QoL-29 underwent forward and backward translation to Brazilian-Portuguese. A cross-sectional study was conducted in patients with IBD either in remission or with active disease at a tertiary referral center in Brazil. Clinical and demographic characteristics, Montreal classification and anthropometric measurements were collected. Data were compared with controls without any gastrointestinal disease.
RESULTS: A total of 203 consecutive patients were included, of whom 173 had IBD and 30 were controls. Cronbach's α was 0.93 for IBD patients without previous IBD-related surgery, 0.93 for IBD patients with previous intestinal surgery, and 0.80 for the control group. Using the Kaiser-Meyer-Olkin (KMO) test to assess sample adequacy, the result was 0.85 for IBD patients without previous surgery (p<0.001) and 0.73 for those with previous IBD-related operations (p<0.001).
CONCLUSION: The FR-QoL-29-Portuguese-Brazil is a valid and reliable tool for use in this language and in this specific population to measure the important factor of food-related quality of life.